593 changed files with 55963 additions and 30683 deletions
--- a/.editorconfig
+++ b/.editorconfig
@ -1,14 +0,0 @@
				@@ -1,14 +0,0 @@
-# EditorConfig is awesome: https://EditorConfig.org
-
-# top-most EditorConfig file
-root = true
-
-[*]
-indent_style = tab
-indent_size = 4
-end_of_line = lf
-insert_final_newline = true
-
-[*.yml]
-indent_style = space
-indent_size = 2
--- a/.flattened-pom.xml
+++ b/.flattened-pom.xml
@ -0,0 +1,134 @@
				@@ -0,0 +1,134 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd" xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
+  <modelVersion>4.0.0</modelVersion>
+  <parent>
+    <groupId>org.springframework.cloud</groupId>
+    <artifactId>spring-cloud-build</artifactId>
+    <version>2.2.0.BUILD-SNAPSHOT</version>
+    <relativePath></relativePath>
+  </parent>
+  <groupId>org.springframework.cloud</groupId>
+  <artifactId>spring-cloud-openfeign</artifactId>
+  <version>2.2.0.BUILD-SNAPSHOT</version>
+  <packaging>pom</packaging>
+  <name>Spring Cloud OpenFeign</name>
+  <description>Spring Cloud OpenFeign</description>
+  <url>https://spring.io/spring-cloud/spring-cloud-openfeign</url>
+  <organization>
+    <name>Pivotal Software, Inc.</name>
+    <url>https://www.spring.io</url>
+  </organization>
+  <licenses>
+    <license>
+      <name>Apache License, Version 2.0</name>
+      <url>https://www.apache.org/licenses/LICENSE-2.0</url>
+      <comments>Copyright 2014-2015 the original author or authors.
+
+				Licensed under the Apache License, Version 2.0 (the "License");
+				you may not use this file except in compliance with the License.
+				You may obtain a copy of the License at
+
+				https://www.apache.org/licenses/LICENSE-2.0
+
+				Unless required by applicable law or agreed to in writing, software
+				distributed under the License is distributed on an "AS IS" BASIS,
+				WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
+				implied.
+
+				See the License for the specific language governing permissions and
+				limitations under the License.</comments>
+    </license>
+  </licenses>
+  <developers>
+    <developer>
+      <id>dsyer</id>
+      <name>Dave Syer</name>
+      <email>dsyer at pivotal.io</email>
+      <organization>Pivotal Software, Inc.</organization>
+      <organizationUrl>https://www.spring.io</organizationUrl>
+      <roles>
+        <role>lead</role>
+      </roles>
+    </developer>
+    <developer>
+      <id>sgibb</id>
+      <name>Spencer Gibb</name>
+      <email>sgibb at pivotal.io</email>
+      <organization>Pivotal Software, Inc.</organization>
+      <organizationUrl>https://www.spring.io</organizationUrl>
+      <roles>
+        <role>lead</role>
+      </roles>
+    </developer>
+    <developer>
+      <id>mgrzejszczak</id>
+      <name>Marcin Grzejszczak</name>
+      <email>mgrzejszczak at pivotal.io</email>
+      <organization>Pivotal Software, Inc.</organization>
+      <organizationUrl>https://www.spring.io</organizationUrl>
+      <roles>
+        <role>developer</role>
+      </roles>
+    </developer>
+    <developer>
+      <id>rbaxter</id>
+      <name>Ryan Baxter</name>
+      <email>rbaxter at pivotal.io</email>
+      <organization>Pivotal Software, Inc.</organization>
+      <organizationUrl>https://www.spring.io</organizationUrl>
+      <roles>
+        <role>developer</role>
+      </roles>
+    </developer>
+    <developer>
+      <id>omaciaszeksharma</id>
+      <name>Olga Maciaszek-Sharma</name>
+      <email>omaciaszeksharma at pivotal.io</email>
+      <organization>Pivotal Software, Inc.</organization>
+      <organizationUrl>https://www.spring.io</organizationUrl>
+      <roles>
+        <role>developer</role>
+      </roles>
+    </developer>
+  </developers>
+  <scm>
+    <connection>scm:git:git://github.com/spring-cloud/spring-cloud-openfeign.git</connection>
+    <developerConnection>scm:git:ssh://git@github.com/spring-cloud/spring-cloud-openfeign.git</developerConnection>
+    <url>https://github.com/spring-cloud/spring-cloud-openfeign</url>
+  </scm>
+  <profiles>
+    <profile>
+      <id>spring</id>
+      <repositories>
+        <repository>
+          <releases>
+            <enabled>false</enabled>
+          </releases>
+          <snapshots>
+            <enabled>true</enabled>
+          </snapshots>
+          <id>spring-snapshots</id>
+          <name>Spring Snapshots</name>
+          <url>https://repo.spring.io/libs-snapshot-local</url>
+        </repository>
+        <repository>
+          <snapshots>
+            <enabled>false</enabled>
+          </snapshots>
+          <id>spring-milestones</id>
+          <name>Spring Milestones</name>
+          <url>https://repo.spring.io/libs-milestone-local</url>
+        </repository>
+        <repository>
+          <snapshots>
+            <enabled>false</enabled>
+          </snapshots>
+          <id>spring-releases</id>
+          <name>Spring Releases</name>
+          <url>https://repo.spring.io/release</url>
+        </repository>
+      </repositories>
+    </profile>
+  </profiles>
+</project>
--- a/.github/CONTRIBUTING.md
+++ b/.github/CONTRIBUTING.md
@ -1,45 +0,0 @@
				@@ -1,45 +0,0 @@
-
-# Contributing
-
-Spring Cloud is released under the non-restrictive Apache 2.0 license,
-and follows a very standard Github development process, using Github
-tracker for issues and merging pull requests into main. If you want
-to contribute even something trivial please do not hesitate, but
-follow the guidelines below.
-
-## Sign the Contributor License Agreement
-Before we accept a non-trivial patch or pull request we will need you to sign the
-[Contributor License Agreement](https://cla.pivotal.io/sign/spring).
-Signing the contributor's agreement does not grant anyone commit rights to the main
-repository, but it does mean that we can accept your contributions, and you will get an
-author credit if we do.  Active contributors might be asked to join the core team, and
-given the ability to merge pull requests.
-
-## Code of Conduct
-This project adheres to the Contributor Covenant [code of
-conduct](https://github.com/spring-cloud/spring-cloud-build/blob/main/docs/src/main/asciidoc/code-of-conduct.adoc). By participating, you  are expected to uphold this code. Please report
-unacceptable behavior to spring-code-of-conduct@pivotal.io.
-
-## Code Conventions and Housekeeping
-None of these is essential for a pull request, but they will all help.  They can also be
-added after the original pull request but before a merge.
-
-* Use the Spring Framework code format conventions. If you use Eclipse
-  you can import formatter settings using the
-  `eclipse-code-formatter.xml` file from the
-  [Spring Cloud Build](https://raw.githubusercontent.com/spring-cloud/spring-cloud-build/main/spring-cloud-dependencies-parent/eclipse-code-formatter.xml) project. If using IntelliJ, you can use the
-  [Eclipse Code Formatter Plugin](https://plugins.jetbrains.com/plugin/6546) to import the same file.
-* Make sure all new `.java` files to have a simple Javadoc class comment with at least an
-  `@author` tag identifying you, and preferably at least a paragraph on what the class is
-  for.
-* Add the ASF license header comment to all new `.java` files (copy from existing files
-  in the project)
-* Add yourself as an `@author` to the .java files that you modify substantially (more
-  than cosmetic changes).
-* Add some Javadocs and, if you change the namespace, some XSD doc elements.
-* A few unit tests would help a lot as well -- someone has to do it.
-* If no-one else is using your branch, please rebase it against the current main (or
-  other target branch in the main project).
-* When writing a commit message please follow [these conventions](https://tbaggery.com/2008/04/19/a-note-about-git-commit-messages.html),
-  if you are fixing an existing issue please add `Fixes gh-XXXX` at the end of the commit
-  message (where XXXX is the issue number).
--- a/.github/ISSUE_TEMPLATE.md
+++ b/.github/ISSUE_TEMPLATE.md
@ -1,20 +0,0 @@
				@@ -1,20 +0,0 @@
-<!--
-Thanks for raising a Spring Cloud issue. What sort of issue are you raising?
-
-Question
-
-Please ask questions about how to use something, or to understand why something isn't
-working as you expect it to, on Stack Overflow using the spring-cloud tag.
-
-Bug report
-
-Please provide details of the problem, including the version of Spring Cloud that you
-are using. If possible, please provide a test case or sample application that reproduces
-the problem. This makes it much easier for us to diagnose the problem and to verify that
-we have fixed it.
-
-Enhancement
-
-Please start by describing the problem that you are trying to solve. There may already
-be a solution, or there may be a way to solve it that you hadn't considered.
-->
--- a/.github/ISSUE_TEMPLATE/bug_report.md
+++ b/.github/ISSUE_TEMPLATE/bug_report.md
@ -1,17 +0,0 @@
				@@ -1,17 +0,0 @@
---
-name: Bug report
-about: Create a report to help us improve
-title: ''
-labels: ''
-assignees: ''
-
---
-
-**Describe the bug**
-Please provide details of the problem, including the version of Spring Cloud that you
-are using. 
-
-**Sample**
-If possible, please provide a test case or sample application that reproduces
-the problem. This makes it much easier for us to diagnose the problem and to verify that
-we have fixed it.
--- a/.github/ISSUE_TEMPLATE/feature_request.md
+++ b/.github/ISSUE_TEMPLATE/feature_request.md
@ -1,20 +0,0 @@
				@@ -1,20 +0,0 @@
---
-name: Feature request
-about: Suggest an idea for this project
-title: ''
-labels: ''
-assignees: ''
-
---
-
-**Is your feature request related to a problem? Please describe.**
-A clear and concise description of what the problem is. Ex. I'm always frustrated when [...]
-
-**Describe the solution you'd like**
-A clear and concise description of what you want to happen.
-
-**Describe alternatives you've considered**
-A clear and concise description of any alternative solutions or features you've considered.
-
-**Additional context**
-Add any other context or screenshots about the feature request here.
--- a/.github/dependabot.yml
+++ b/.github/dependabot.yml
@ -1,49 +0,0 @@
				@@ -1,49 +0,0 @@
-version: 2
-updates:
-  - package-ecosystem: "github-actions"
-    directory: "/"
-    target-branch: "3.1.x" # oldest OSS supported branch
-    schedule:
-      interval: "weekly"
-  - package-ecosystem: "github-actions"
-    directory: "/"
-    target-branch: "4.0.x" # oldest OSS supported branch
-    schedule:
-      interval: "weekly"
-  - package-ecosystem: "github-actions"
-    directory: "/"
-    target-branch: "main"
-    schedule:
-      interval: "weekly"
-  - package-ecosystem: maven
-    directory: /
-    schedule:
-      interval: daily
-    target-branch: 3.1.x
-    ignore:
-      # only upgrade patch versions for maintenance branch
-      - dependency-name: "*"
-        update-types:
-          - version-update:semver-major
-          - version-update:semver-minor
-  - package-ecosystem: maven
-    directory: /
-    schedule:
-      interval: daily
-    target-branch: 4.0.x
-    ignore:
-      # only upgrade patch versions for maintenance branch
-      - dependency-name: "*"
-        update-types:
-          - version-update:semver-major
-          - version-update:semver-minor
-  - package-ecosystem: maven
-    directory: /
-    schedule:
-      interval: daily
-    target-branch: main
-    ignore:
-      # only upgrade by minor or patch
-      - dependency-name: "*"
-        update-types:
-          - version-update:semver-major
--- a/.github/workflows/deploy-docs.yml
+++ b/.github/workflows/deploy-docs.yml
@ -1,32 +0,0 @@
				@@ -1,32 +0,0 @@
-name: Deploy Docs
-on:
-  push:
-    branches-ignore: [ gh-pages ]
-    tags: '**'
-  repository_dispatch:
-    types: request-build-reference # legacy
-  #schedule:
-  #- cron: '0 10 * * *' # Once per day at 10am UTC
-  workflow_dispatch:
-permissions:
-  actions: write
-jobs:
-  build:
-    runs-on: ubuntu-latest
-    # if: github.repository_owner == 'spring-cloud'
-    steps:
-      - name: Checkout
-        uses: actions/checkout@v4
-        with:
-          ref: docs-build
-          fetch-depth: 1
-      - name: Dispatch (partial build)
-        if: github.ref_type == 'branch'
-        env:
-          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-        run: gh workflow run deploy-docs.yml -r $(git rev-parse --abbrev-ref HEAD) -f build-refname=${{ github.ref_name }}
-      - name: Dispatch (full build)
-        if: github.ref_type == 'tag'
-        env:
-          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-        run: gh workflow run deploy-docs.yml -r $(git rev-parse --abbrev-ref HEAD)
--- a/.github/workflows/maven.yml
+++ b/.github/workflows/maven.yml
@ -1,33 +0,0 @@
				@@ -1,33 +0,0 @@
-# This workflow will build a Java project with Maven
-# For more information see: https://help.github.com/actions/language-and-framework-guides/building-and-testing-java-with-maven
-
-name: Build
-
-on:
-  push:
-    branches: [ main ]
-  pull_request:
-    branches: [ main ]
-
-jobs:
-  build:
-
-    runs-on: ubuntu-latest
-
-    strategy:
-      matrix:
-        java: ["17"]
-
-    steps:
-      - uses: actions/checkout@v4
-      - name: Set up JDK ${{ matrix.java }}
-        uses: actions/setup-java@v3
-        with:
-          distribution: 'zulu'
-          java-version: ${{ matrix.java }}
-          cache: 'maven'
-      - name: Build with Maven
-        run: ./mvnw clean install -B -U -P sonar
-      - uses: codecov/codecov-action@v3
-        with:
-          fail_ci_if_error: true
--- a/.gitignore
+++ b/.gitignore
@ -1,6 +1,3 @@
				@@ -1,6 +1,3 @@
-/application.yml
-/application.properties
-asciidoctor.css
 *~
 #*
 *#
@ -8,30 +5,21 @@ asciidoctor.css
				@@ -8,30 +5,21 @@ asciidoctor.css
 .classpath
 .project
 .settings/
-.settings
 .springBeans
 target/
-bin/
 _site/
 .idea
 *.iml
-*.ipr
-*.iws
+*.swp
 .factorypath
+*.logtjmeter
+.checkstyle
 *.log
-.shelf
-*.swp
-*.swo
-/spring-cloud-release-tools*.jar
+.DS_Store
+/spring-cloud-sleuth-core/nb-configuration.xml
+/spring-cloud-sleuth-core/nbactions.xml
+*.sw[op]
+.project
+sample-pages
+.class
 antrun
-.vscode/
-.flattened-pom.xml
-node
-node_modules
-build
-_configprops.adoc
-_spans.adoc
-_metrics.adoc
-_conventions.adoc
-package.json
-package-lock.json
--- a/.java-version
+++ b/.java-version
@ -1 +0,0 @@
				@@ -1 +0,0 @@
-17
--- a/.mvn/jvm.config
+++ b/.mvn/jvm.config
@ -1 +0,0 @@
				@@ -1 +0,0 @@
-Xmx1024m -XX:CICompilerCount=1 -XX:TieredStopAtLevel=1 -Djava.security.egd=file:/dev/./urandom
--- a/.mvn/maven.config
+++ b/.mvn/maven.config
@ -1,2 +0,0 @@
				@@ -1,2 +0,0 @@
-DaltSnapshotDeploymentRepository=repo.spring.io::default::https://repo.spring.io/libs-snapshot-local
-P spring
--- a/.mvn/wrapper/maven-wrapper.jar
+++ b/.mvn/wrapper/maven-wrapper.jar
--- a/.mvn/wrapper/maven-wrapper.properties
+++ b/.mvn/wrapper/maven-wrapper.properties
@ -1,18 +0,0 @@
				@@ -1,18 +0,0 @@
-# Licensed to the Apache Software Foundation (ASF) under one
-# or more contributor license agreements.  See the NOTICE file
-# distributed with this work for additional information
-# regarding copyright ownership.  The ASF licenses this file
-# to you under the Apache License, Version 2.0 (the
-# "License"); you may not use this file except in compliance
-# with the License.  You may obtain a copy of the License at
-#
-#   http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing,
-# software distributed under the License is distributed on an
-# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
-# KIND, either express or implied.  See the License for the
-# specific language governing permissions and limitations
-# under the License.
-distributionUrl=https://repo.maven.apache.org/maven2/org/apache/maven/apache-maven/3.9.4/apache-maven-3.9.4-bin.zip
-wrapperUrl=https://repo.maven.apache.org/maven2/org/apache/maven/wrapper/maven-wrapper/3.2.0/maven-wrapper-3.2.0.jar
--- a/.ruby-gemset
+++ b/.ruby-gemset
@ -0,0 +1 @@
				@@ -0,0 +1 @@
+spring-gh-pages
--- a/.ruby-version
+++ b/.ruby-version
@ -0,0 +1 @@
				@@ -0,0 +1 @@
+ruby-2.2.0
--- a/.sdkmanrc
+++ b/.sdkmanrc
@ -1,3 +0,0 @@
				@@ -1,3 +0,0 @@
-# Enable auto-env through the sdkman_auto_env config
-# Add key=value pairs of SDKs to use below
-java=17.0.1-tem
--- a/.settings.xml
+++ b/.settings.xml
@ -1,68 +0,0 @@
				@@ -1,68 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<settings>
-	<servers>
-		<server>
-			<id>repo.spring.io</id>
-			<username>${env.CI_DEPLOY_USERNAME}</username>
-			<password>${env.CI_DEPLOY_PASSWORD}</password>
-		</server>
-	</servers>
-	<profiles>
-		<profile>
-			<!--
-				N.B. this profile is only here to support users and IDEs that do not use Maven 3.3.
-				It isn't needed on the command line if you use the wrapper script (mvnw) or if you use
-				a native Maven with the right version. Eclipse users should points their Maven tooling to
-				this settings file, or copy the profile into their ~/.m2/settings.xml.
-			-->
-			<id>spring</id>
-			<activation>
-				<activeByDefault>true</activeByDefault>
-			</activation>
-			<repositories>
-				<repository>
-					<id>spring-snapshots</id>
-					<name>Spring Snapshots</name>
-					<url>https://repo.spring.io/libs-snapshot-local</url>
-					<snapshots>
-						<enabled>true</enabled>
-					</snapshots>
-				</repository>
-				<repository>
-					<id>spring-milestones</id>
-					<name>Spring Milestones</name>
-					<url>https://repo.spring.io/libs-milestone-local</url>
-					<snapshots>
-						<enabled>false</enabled>
-					</snapshots>
-				</repository>
-				<repository>
-					<id>spring-releases</id>
-					<name>Spring Releases</name>
-					<url>https://repo.spring.io/release</url>
-					<snapshots>
-						<enabled>false</enabled>
-					</snapshots>
-				</repository>
-			</repositories>
-			<pluginRepositories>
-				<pluginRepository>
-					<id>spring-snapshots</id>
-					<name>Spring Snapshots</name>
-					<url>https://repo.spring.io/libs-snapshot-local</url>
-					<snapshots>
-						<enabled>true</enabled>
-					</snapshots>
-				</pluginRepository>
-				<pluginRepository>
-					<id>spring-milestones</id>
-					<name>Spring Milestones</name>
-					<url>https://repo.spring.io/libs-milestone-local</url>
-					<snapshots>
-						<enabled>false</enabled>
-					</snapshots>
-				</pluginRepository>
-			</pluginRepositories>
-		</profile>
-	</profiles>
-</settings>
--- a/.springformat
+++ b/.springformat
--- a/.vscode/settings.json
+++ b/.vscode/settings.json
@ -0,0 +1,3 @@
				@@ -0,0 +1,3 @@
+{
+    "java.configuration.updateBuildConfiguration": "automatic"
+}
--- a/2.0.x/css/highlight.css
+++ b/2.0.x/css/highlight.css
@ -0,0 +1,35 @@
				@@ -0,0 +1,35 @@
+/* 
+   code highlight CSS resemblign the Eclipse IDE default color schema
+   @author Costin Leau
+*/
+
+.hl-keyword {
+  color: #7F0055;
+  font-weight: bold; 
+}
+
+.hl-comment {
+  color: #3F5F5F;
+  font-style: italic;
+}
+
+.hl-multiline-comment {
+  color: #3F5FBF;
+  font-style: italic;
+}
+
+.hl-tag {
+  color: #3F7F7F;
+}
+
+.hl-attribute {
+  color: #7F007F;
+}
+
+.hl-value {
+  color: #2A00FF;
+}
+
+.hl-string {
+  color: #2A00FF;
+}
--- a/2.0.x/css/manual-multipage.css
+++ b/2.0.x/css/manual-multipage.css
@ -0,0 +1,9 @@
				@@ -0,0 +1,9 @@
+@IMPORT url("manual.css");
+
+body.firstpage {
+	background: url("../images/background.png") no-repeat center top;
+}
+
+div.part h1 {
+    border-top: none;
+}
--- a/2.0.x/css/manual-singlepage.css
+++ b/2.0.x/css/manual-singlepage.css
@ -0,0 +1,6 @@
				@@ -0,0 +1,6 @@
+@IMPORT url("manual.css");
+
+body {
+	background: url("../images/background.png") no-repeat center top;
+}
+
--- a/2.0.x/css/manual.css
+++ b/2.0.x/css/manual.css
@ -0,0 +1,344 @@
				@@ -0,0 +1,344 @@
+@IMPORT url("highlight.css");
+
+html {
+	padding: 0pt;
+	margin: 0pt;
+}
+
+body {
+	color: #333333;
+	margin: 15px 30px;
+	font-family: Helvetica, Arial, Freesans, Clean, Sans-serif;
+	line-height: 1.6;
+	-webkit-font-smoothing: antialiased;
+}
+
+code {
+	font-size: 16px;
+	font-family: Consolas, "Liberation Mono", Courier, monospace;
+}
+
+:not(a)>code {
+	color: #6D180B;
+}
+
+:not(pre)>code {
+	background-color: #F2F2F2;
+	border: 1px solid #CCCCCC;
+	border-radius: 4px;
+	padding: 1px 3px 0;
+	text-shadow: none;
+	white-space: nowrap;
+}
+
+body>*:first-child {
+	margin-top: 0 !important;
+}
+
+div {
+	margin: 0pt;
+}
+
+hr {
+	border: 1px solid #CCCCCC;
+	background: #CCCCCC;
+}
+
+h1,h2,h3,h4,h5,h6 {
+	color: #000000;
+	cursor: text;
+	font-weight: bold;
+	margin: 30px 0 10px;
+	padding: 0;
+}
+
+h1,h2,h3 {
+	margin: 40px 0 10px;
+}
+
+h1 {
+	margin: 70px 0 30px;
+	padding-top: 20px;
+}
+
+div.part h1 {
+	border-top: 1px dotted #CCCCCC;
+}
+
+h1,h1 code {
+	font-size: 32px;
+}
+
+h2,h2 code {
+	font-size: 24px;
+}
+
+h3,h3 code {
+	font-size: 20px;
+}
+
+h4,h1 code,h5,h5 code,h6,h6 code {
+	font-size: 18px;
+}
+
+div.book,div.chapter,div.appendix,div.part,div.preface {
+	min-width: 300px;
+	max-width: 1200px;
+	margin: 0 auto;
+}
+
+p.releaseinfo {
+	font-weight: bold;
+	margin-bottom: 40px;
+	margin-top: 40px;
+}
+
+div.authorgroup {
+	line-height: 1;
+}
+
+p.copyright {
+	line-height: 1;
+	margin-bottom: -5px;
+}
+
+.legalnotice p {
+	font-style: italic;
+	font-size: 14px;
+	line-height: 1;
+}
+
+div.titlepage+p,div.titlepage+p {
+	margin-top: 0;
+}
+
+pre {
+	line-height: 1.0;
+	color: black;
+}
+
+a {
+	color: #4183C4;
+	text-decoration: none;
+}
+
+p {
+	margin: 15px 0;
+	text-align: left;
+}
+
+ul,ol {
+	padding-left: 30px;
+}
+
+li p {
+	margin: 0;
+}
+
+div.table {
+	margin: 1em;
+	padding: 0.5em;
+	text-align: center;
+}
+
+div.table table,div.informaltable table {
+	display: table;
+	width: 100%;
+}
+
+div.table td {
+	padding-left: 7px;
+	padding-right: 7px;
+}
+
+.sidebar {
+	line-height: 1.4;
+	padding: 0 20px;
+	background-color: #F8F8F8;
+	border: 1px solid #CCCCCC;
+	border-radius: 3px 3px 3px 3px;
+}
+
+.sidebar p.title {
+	color: #6D180B;
+}
+
+pre.programlisting,pre.screen {
+	font-size: 15px;
+	padding: 6px 10px;
+	background-color: #F8F8F8;
+	border: 1px solid #CCCCCC;
+	border-radius: 3px 3px 3px 3px;
+	clear: both;
+	overflow: auto;
+	line-height: 1.4;
+	font-family: Consolas, "Liberation Mono", Courier, monospace;
+}
+
+table {
+	border-collapse: collapse;
+	border-spacing: 0;
+	border: 1px solid #DDDDDD !important;
+	border-radius: 4px !important;
+	border-collapse: separate !important;
+	line-height: 1.6;
+}
+
+table thead {
+	background: #F5F5F5;
+}
+
+table tr {
+	border: none;
+	border-bottom: none;
+}
+
+table th {
+	font-weight: bold;
+}
+
+table th,table td {
+	border: none !important;
+	padding: 6px 13px;
+}
+
+table tr:nth-child(2n) {
+	background-color: #F8F8F8;
+}
+
+td p {
+	margin: 0 0 15px 0;
+}
+
+div.table-contents td p {
+	margin: 0;
+}
+
+div.important *,div.note *,div.tip *,div.warning *,div.navheader *,div.navfooter *,div.calloutlist *
+	{
+	border: none !important;
+	background: none !important;
+	margin: 0;
+}
+
+div.important p,div.note p,div.tip p,div.warning p {
+	color: #6F6F6F;
+	line-height: 1.6;
+}
+
+div.important code,div.note code,div.tip code,div.warning code {
+	background-color: #F2F2F2 !important;
+	border: 1px solid #CCCCCC !important;
+	border-radius: 4px !important;
+	padding: 1px 3px 0 !important;
+	text-shadow: none !important;
+	white-space: nowrap !important;
+}
+
+.note th,.tip th,.warning th {
+	display: none;
+}
+
+.note tr:first-child td,.tip tr:first-child td,.warning tr:first-child td
+	{
+	border-right: 1px solid #CCCCCC !important;
+	padding-top: 10px;
+}
+
+div.calloutlist p,div.calloutlist td {
+	padding: 0;
+	margin: 0;
+}
+
+div.calloutlist>table>tbody>tr>td:first-child {
+	padding-left: 10px;
+	width: 30px !important;
+}
+
+div.important,div.note,div.tip,div.warning {
+	margin-left: 0px !important;
+	margin-right: 20px !important;
+	margin-top: 20px;
+	margin-bottom: 20px;
+	padding-top: 10px;
+	padding-bottom: 10px;
+}
+
+div.toc {
+	line-height: 1.2;
+}
+
+dl,dt {
+	margin-top: 1px;
+	margin-bottom: 0;
+}
+
+div.toc>dl>dt {
+	font-size: 32px;
+	font-weight: bold;
+	margin: 30px 0 10px 0;
+	display: block;
+}
+
+div.toc>dl>dd>dl>dt {
+	font-size: 24px;
+	font-weight: bold;
+	margin: 20px 0 10px 0;
+	display: block;
+}
+
+div.toc>dl>dd>dl>dd>dl>dt {
+	font-weight: bold;
+	font-size: 20px;
+	margin: 10px 0 0 0;
+}
+
+tbody.footnotes * {
+	border: none !important;
+}
+
+div.footnote p {
+	margin: 0;
+	line-height: 1;
+}
+
+div.footnote p sup {
+	margin-right: 6px;
+	vertical-align: middle;
+}
+
+div.navheader {
+	border-bottom: 1px solid #CCCCCC;
+}
+
+div.navfooter {
+	border-top: 1px solid #CCCCCC;
+}
+
+.title {
+	margin-left: -1em;
+	padding-left: 1em;
+}
+
+.title>a {
+	position: absolute;
+	visibility: hidden;
+	display: block;
+	font-size: 0.85em;
+	margin-top: 0.05em;
+	margin-left: -1em;
+	vertical-align: text-top;
+	color: black;
+}
+
+.title>a:before {
+	content: "\00A7";
+}
+
+.title:hover>a,.title>a:hover,.title:hover>a:hover {
+	visibility: visible;
+}
+
+.title:focus>a,.title>a:focus,.title:focus>a:focus {
+	outline: 0;
+}
--- a/docs/src/main/asciidoc/ghpages.sh
+++ b/docs/src/main/asciidoc/ghpages.sh
@ -39,7 +39,7 @@ function check_if_anything_to_sync() {
				@@ -39,7 +39,7 @@ function check_if_anything_to_sync() {
 }

 function retrieve_current_branch() {
-    # Code getting the name of the current branch. For main we want to publish as we did until now
+    # Code getting the name of the current branch. For master we want to publish as we did until now
    # https://stackoverflow.com/questions/1593051/how-to-programmatically-determine-the-current-checked-out-git-branch
    # If there is a branch already passed will reuse it - otherwise will try to find it
    CURRENT_BRANCH=${BRANCH}
@ -134,8 +134,8 @@ function add_docs_from_target() {
				@@ -134,8 +134,8 @@ function add_docs_from_target() {

 # Copies the docs by using the retrieved properties from Maven build
 function copy_docs_for_current_version() {
-    if [[ "${CURRENT_BRANCH}" == "main" ]] ; then
-        echo -e "Current branch is main - will copy the current docs only to the root folder"
+    if [[ "${CURRENT_BRANCH}" == "master" ]] ; then
+        echo -e "Current branch is master - will copy the current docs only to the root folder"
        for f in docs/target/generated-docs/*; do
            file=${f#docs/target/generated-docs/*}
            if ! git ls-files -i -o --exclude-standard --directory | grep -q ^$file$; then
@ -216,7 +216,7 @@ function commit_changes_if_applicable() {
				@@ -216,7 +216,7 @@ function commit_changes_if_applicable() {
        git commit -a -m "Sync docs from ${CURRENT_BRANCH} to gh-pages" && COMMIT_SUCCESSFUL="yes" || echo "Failed to commit changes"

        # Uncomment the following push if you want to auto push to
-        # the gh-pages branch whenever you commit to main locally.
+        # the gh-pages branch whenever you commit to master locally.
        # This is a little extreme. Use with care!
        ###################################################################
        if [[ "${COMMIT_SUCCESSFUL}" == "yes" ]] ; then
@ -249,7 +249,7 @@ The idea of this script is to update gh-pages branch with the generated docs. Wi
				@@ -249,7 +249,7 @@ The idea of this script is to update gh-pages branch with the generated docs. Wi
 the script will work in the following manner:

 - if there's no gh-pages / target for docs module then the script ends
- for main branch the generated docs are copied to the root of gh-pages branch
+- for master branch the generated docs are copied to the root of gh-pages branch
 - for any other branch (if that branch is whitelisted) a subfolder with branch name is created
    and docs are copied there
 - if the version switch is passed (-v) then a tag with (v) prefix will be retrieved and a folder
--- a/2.0.x/images/background.png
+++ b/2.0.x/images/background.png
--- a/2.0.x/images/callouts/1.png
+++ b/2.0.x/images/callouts/1.png
--- a/2.0.x/images/callouts/2.png
+++ b/2.0.x/images/callouts/2.png
--- a/2.0.x/images/callouts/3.png
+++ b/2.0.x/images/callouts/3.png
--- a/2.0.x/images/caution.png
+++ b/2.0.x/images/caution.png
--- a/2.0.x/images/important.png
+++ b/2.0.x/images/important.png
--- a/2.0.x/images/logo.png
+++ b/2.0.x/images/logo.png
--- a/2.0.x/images/note.png
+++ b/2.0.x/images/note.png
--- a/2.0.x/images/tip.png
+++ b/2.0.x/images/tip.png
--- a/2.0.x/images/warning.png
+++ b/2.0.x/images/warning.png
--- a/2.0.x/index.html
+++ b/2.0.x/index.html
@ -0,0 +1,117 @@
				@@ -0,0 +1,117 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+<meta charset="UTF-8">
+<!--[if IE]><meta http-equiv="X-UA-Compatible" content="IE=edge"><![endif]-->
+<meta name="viewport" content="width=device-width, initial-scale=1.0">
+<meta name="generator" content="Asciidoctor 1.5.5">
+<title>spring-cloud-openfeign</title>
+<link rel="stylesheet" href="css/manual-singlepage.css">
+<style>
+.hidden {
+	display: none;
+}
+
+.switch {
+	border-width: 1px 1px 0 1px;
+	border-style: solid;
+	border-color: #7a2518;
+	display: inline-block;
+}
+
+.switch--item {
+	padding: 10px;
+	background-color: #ffffff;
+	color: #7a2518;
+	display: inline-block;
+	cursor: pointer;
+}
+
+.switch--item.selected {
+	background-color: #7a2519;
+	color: #ffffff;
+}
+</style>
+<script src="http://cdnjs.cloudflare.com/ajax/libs/zepto/1.2.0/zepto.min.js"></script>
+<script type="text/javascript">
+function addBlockSwitches() {
+	$('.primary').each(function() {
+		primary = $(this);
+		createSwitchItem(primary, createBlockSwitch(primary)).item.addClass("selected");
+		primary.children('.title').remove();
+	});
+	$('.secondary').each(function(idx, node) {
+		secondary = $(node);
+		primary = findPrimary(secondary);
+		switchItem = createSwitchItem(secondary, primary.children('.switch'));
+		switchItem.content.addClass('hidden');
+		findPrimary(secondary).append(switchItem.content);
+		secondary.remove();
+	});
+}
+
+function createBlockSwitch(primary) {
+	blockSwitch = $('<div class="switch"></div>');
+	primary.prepend(blockSwitch);
+	return blockSwitch;
+}
+
+function findPrimary(secondary) {
+	candidate = secondary.prev();
+	while (!candidate.is('.primary')) {
+		candidate = candidate.prev();
+	}
+	return candidate;
+}
+
+function createSwitchItem(block, blockSwitch) {
+	blockName = block.children('.title').text();
+	content = block.children('.content').first().append(block.next('.colist'));
+	item = $('<div class="switch--item">' + blockName + '</div>');
+	item.on('click', '', content, function(e) {
+		$(this).addClass('selected');
+		$(this).siblings().removeClass('selected');
+		e.data.siblings('.content').addClass('hidden');
+		e.data.removeClass('hidden');
+	});
+	blockSwitch.append(item);
+	return {'item': item, 'content': content};
+}
+
+$(addBlockSwitches);
+</script>
+</head>
+
+<body class="article">
+<div id="header">
+<h1>spring-cloud-openfeign</h1>
+</div>
+<div id="content">
+<div id="preamble">
+<div class="sectionbody">
+<div class="paragraph">
+<p>2.0.5.BUILD-SNAPSHOT</p>
+</div>
+</div>
+</div>
+<div class="sect1">
+<h2 id="_pick_the_documentation_option">Pick The Documentation Option</h2>
+<div class="sectionbody">
+<div class="ulist">
+<ul>
+<li>
+<p><a href="single/spring-cloud-openfeign.html">Single HTML</a></p>
+</li>
+<li>
+<p><a href="multi/multi_spring-cloud-openfeign.html">Multi HTML</a></p>
+</li>
+</ul>
+</div>
+</div>
+</div>
+</div>
+<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/prettify/r298/prettify.min.css">
+<script src="https://cdnjs.cloudflare.com/ajax/libs/prettify/r298/prettify.min.js"></script>
+<script>prettyPrint()</script>
+</body>
+</html>
--- a/2.0.x/multi/css/highlight.css
+++ b/2.0.x/multi/css/highlight.css
@ -0,0 +1,35 @@
				@@ -0,0 +1,35 @@
+/* 
+   code highlight CSS resemblign the Eclipse IDE default color schema
+   @author Costin Leau
+*/
+
+.hl-keyword {
+  color: #7F0055;
+  font-weight: bold; 
+}
+
+.hl-comment {
+  color: #3F5F5F;
+  font-style: italic;
+}
+
+.hl-multiline-comment {
+  color: #3F5FBF;
+  font-style: italic;
+}
+
+.hl-tag {
+  color: #3F7F7F;
+}
+
+.hl-attribute {
+  color: #7F007F;
+}
+
+.hl-value {
+  color: #2A00FF;
+}
+
+.hl-string {
+  color: #2A00FF;
+}
--- a/2.0.x/multi/css/manual-multipage.css
+++ b/2.0.x/multi/css/manual-multipage.css
@ -0,0 +1,9 @@
				@@ -0,0 +1,9 @@
+@IMPORT url("manual.css");
+
+body.firstpage {
+	background: url("../images/background.png") no-repeat center top;
+}
+
+div.part h1 {
+    border-top: none;
+}
--- a/2.0.x/multi/css/manual-singlepage.css
+++ b/2.0.x/multi/css/manual-singlepage.css
@ -0,0 +1,6 @@
				@@ -0,0 +1,6 @@
+@IMPORT url("manual.css");
+
+body {
+	background: url("../images/background.png") no-repeat center top;
+}
+
--- a/2.0.x/multi/css/manual.css
+++ b/2.0.x/multi/css/manual.css
@ -0,0 +1,344 @@
				@@ -0,0 +1,344 @@
+@IMPORT url("highlight.css");
+
+html {
+	padding: 0pt;
+	margin: 0pt;
+}
+
+body {
+	color: #333333;
+	margin: 15px 30px;
+	font-family: Helvetica, Arial, Freesans, Clean, Sans-serif;
+	line-height: 1.6;
+	-webkit-font-smoothing: antialiased;
+}
+
+code {
+	font-size: 16px;
+	font-family: Consolas, "Liberation Mono", Courier, monospace;
+}
+
+:not(a)>code {
+	color: #6D180B;
+}
+
+:not(pre)>code {
+	background-color: #F2F2F2;
+	border: 1px solid #CCCCCC;
+	border-radius: 4px;
+	padding: 1px 3px 0;
+	text-shadow: none;
+	white-space: nowrap;
+}
+
+body>*:first-child {
+	margin-top: 0 !important;
+}
+
+div {
+	margin: 0pt;
+}
+
+hr {
+	border: 1px solid #CCCCCC;
+	background: #CCCCCC;
+}
+
+h1,h2,h3,h4,h5,h6 {
+	color: #000000;
+	cursor: text;
+	font-weight: bold;
+	margin: 30px 0 10px;
+	padding: 0;
+}
+
+h1,h2,h3 {
+	margin: 40px 0 10px;
+}
+
+h1 {
+	margin: 70px 0 30px;
+	padding-top: 20px;
+}
+
+div.part h1 {
+	border-top: 1px dotted #CCCCCC;
+}
+
+h1,h1 code {
+	font-size: 32px;
+}
+
+h2,h2 code {
+	font-size: 24px;
+}
+
+h3,h3 code {
+	font-size: 20px;
+}
+
+h4,h1 code,h5,h5 code,h6,h6 code {
+	font-size: 18px;
+}
+
+div.book,div.chapter,div.appendix,div.part,div.preface {
+	min-width: 300px;
+	max-width: 1200px;
+	margin: 0 auto;
+}
+
+p.releaseinfo {
+	font-weight: bold;
+	margin-bottom: 40px;
+	margin-top: 40px;
+}
+
+div.authorgroup {
+	line-height: 1;
+}
+
+p.copyright {
+	line-height: 1;
+	margin-bottom: -5px;
+}
+
+.legalnotice p {
+	font-style: italic;
+	font-size: 14px;
+	line-height: 1;
+}
+
+div.titlepage+p,div.titlepage+p {
+	margin-top: 0;
+}
+
+pre {
+	line-height: 1.0;
+	color: black;
+}
+
+a {
+	color: #4183C4;
+	text-decoration: none;
+}
+
+p {
+	margin: 15px 0;
+	text-align: left;
+}
+
+ul,ol {
+	padding-left: 30px;
+}
+
+li p {
+	margin: 0;
+}
+
+div.table {
+	margin: 1em;
+	padding: 0.5em;
+	text-align: center;
+}
+
+div.table table,div.informaltable table {
+	display: table;
+	width: 100%;
+}
+
+div.table td {
+	padding-left: 7px;
+	padding-right: 7px;
+}
+
+.sidebar {
+	line-height: 1.4;
+	padding: 0 20px;
+	background-color: #F8F8F8;
+	border: 1px solid #CCCCCC;
+	border-radius: 3px 3px 3px 3px;
+}
+
+.sidebar p.title {
+	color: #6D180B;
+}
+
+pre.programlisting,pre.screen {
+	font-size: 15px;
+	padding: 6px 10px;
+	background-color: #F8F8F8;
+	border: 1px solid #CCCCCC;
+	border-radius: 3px 3px 3px 3px;
+	clear: both;
+	overflow: auto;
+	line-height: 1.4;
+	font-family: Consolas, "Liberation Mono", Courier, monospace;
+}
+
+table {
+	border-collapse: collapse;
+	border-spacing: 0;
+	border: 1px solid #DDDDDD !important;
+	border-radius: 4px !important;
+	border-collapse: separate !important;
+	line-height: 1.6;
+}
+
+table thead {
+	background: #F5F5F5;
+}
+
+table tr {
+	border: none;
+	border-bottom: none;
+}
+
+table th {
+	font-weight: bold;
+}
+
+table th,table td {
+	border: none !important;
+	padding: 6px 13px;
+}
+
+table tr:nth-child(2n) {
+	background-color: #F8F8F8;
+}
+
+td p {
+	margin: 0 0 15px 0;
+}
+
+div.table-contents td p {
+	margin: 0;
+}
+
+div.important *,div.note *,div.tip *,div.warning *,div.navheader *,div.navfooter *,div.calloutlist *
+	{
+	border: none !important;
+	background: none !important;
+	margin: 0;
+}
+
+div.important p,div.note p,div.tip p,div.warning p {
+	color: #6F6F6F;
+	line-height: 1.6;
+}
+
+div.important code,div.note code,div.tip code,div.warning code {
+	background-color: #F2F2F2 !important;
+	border: 1px solid #CCCCCC !important;
+	border-radius: 4px !important;
+	padding: 1px 3px 0 !important;
+	text-shadow: none !important;
+	white-space: nowrap !important;
+}
+
+.note th,.tip th,.warning th {
+	display: none;
+}
+
+.note tr:first-child td,.tip tr:first-child td,.warning tr:first-child td
+	{
+	border-right: 1px solid #CCCCCC !important;
+	padding-top: 10px;
+}
+
+div.calloutlist p,div.calloutlist td {
+	padding: 0;
+	margin: 0;
+}
+
+div.calloutlist>table>tbody>tr>td:first-child {
+	padding-left: 10px;
+	width: 30px !important;
+}
+
+div.important,div.note,div.tip,div.warning {
+	margin-left: 0px !important;
+	margin-right: 20px !important;
+	margin-top: 20px;
+	margin-bottom: 20px;
+	padding-top: 10px;
+	padding-bottom: 10px;
+}
+
+div.toc {
+	line-height: 1.2;
+}
+
+dl,dt {
+	margin-top: 1px;
+	margin-bottom: 0;
+}
+
+div.toc>dl>dt {
+	font-size: 32px;
+	font-weight: bold;
+	margin: 30px 0 10px 0;
+	display: block;
+}
+
+div.toc>dl>dd>dl>dt {
+	font-size: 24px;
+	font-weight: bold;
+	margin: 20px 0 10px 0;
+	display: block;
+}
+
+div.toc>dl>dd>dl>dd>dl>dt {
+	font-weight: bold;
+	font-size: 20px;
+	margin: 10px 0 0 0;
+}
+
+tbody.footnotes * {
+	border: none !important;
+}
+
+div.footnote p {
+	margin: 0;
+	line-height: 1;
+}
+
+div.footnote p sup {
+	margin-right: 6px;
+	vertical-align: middle;
+}
+
+div.navheader {
+	border-bottom: 1px solid #CCCCCC;
+}
+
+div.navfooter {
+	border-top: 1px solid #CCCCCC;
+}
+
+.title {
+	margin-left: -1em;
+	padding-left: 1em;
+}
+
+.title>a {
+	position: absolute;
+	visibility: hidden;
+	display: block;
+	font-size: 0.85em;
+	margin-top: 0.05em;
+	margin-left: -1em;
+	vertical-align: text-top;
+	color: black;
+}
+
+.title>a:before {
+	content: "\00A7";
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+	visibility: visible;
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+<html><head>
+      <meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
+   <title></title><link rel="stylesheet" type="text/css" href="css/manual-multipage.css"><meta name="generator" content="DocBook XSL Stylesheets V1.78.1"><link rel="home" href="multi_spring-cloud-openfeign.html" title="Spring Cloud OpenFeign"><link rel="up" href="multi_spring-cloud-openfeign.html" title="Spring Cloud OpenFeign"><link rel="prev" href="multi_spring-cloud-openfeign.html" title="Spring Cloud OpenFeign"><link rel="next" href="multi_spring-cloud-feign.html" title="1.&nbsp;Declarative REST Client: Feign"></head><body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center"></th></tr><tr><td width="20%" align="left"><a accesskey="p" href="multi_spring-cloud-openfeign.html">Prev</a>&nbsp;</td><th width="60%" align="center">&nbsp;</th><td width="20%" align="right">&nbsp;<a accesskey="n" href="multi_spring-cloud-feign.html">Next</a></td></tr></table><hr></div><div class="preface"><div class="titlepage"><div><div><h1 class="title"><a name="d0e9" href="#d0e9"></a></h1></div></div></div><p><span class="strong"><strong>2.0.5.BUILD-SNAPSHOT</strong></span></p><p>This project provides OpenFeign integrations for Spring Boot apps through autoconfiguration
+and binding to the Spring Environment and other Spring programming model idioms.</p></div><div class="navfooter"><hr><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="multi_spring-cloud-openfeign.html">Prev</a>&nbsp;</td><td width="20%" align="center">&nbsp;</td><td width="40%" align="right">&nbsp;<a accesskey="n" href="multi_spring-cloud-feign.html">Next</a></td></tr><tr><td width="40%" align="left" valign="top">Spring Cloud OpenFeign&nbsp;</td><td width="20%" align="center"><a accesskey="h" href="multi_spring-cloud-openfeign.html">Home</a></td><td width="40%" align="right" valign="top">&nbsp;1.&nbsp;Declarative REST Client: Feign</td></tr></table></div></body></html>
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+   <title>1.&nbsp;Declarative REST Client: Feign</title><link rel="stylesheet" type="text/css" href="css/manual-multipage.css"><meta name="generator" content="DocBook XSL Stylesheets V1.78.1"><link rel="home" href="multi_spring-cloud-openfeign.html" title="Spring Cloud OpenFeign"><link rel="up" href="multi_spring-cloud-openfeign.html" title="Spring Cloud OpenFeign"><link rel="prev" href="multi_pr01.html" title=""></head><body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center">1.&nbsp;Declarative REST Client: Feign</th></tr><tr><td width="20%" align="left"><a accesskey="p" href="multi_pr01.html">Prev</a>&nbsp;</td><th width="60%" align="center">&nbsp;</th><td width="20%" align="right">&nbsp;</td></tr></table><hr></div><div class="chapter"><div class="titlepage"><div><div><h1 class="title"><a name="spring-cloud-feign" href="#spring-cloud-feign"></a>1.&nbsp;Declarative REST Client: Feign</h1></div></div></div><p><a class="link" href="https://github.com/Netflix/feign" target="_top">Feign</a> is a declarative web service client.  It makes writing web service clients easier.  To use Feign create an interface and annotate it.  It has pluggable annotation support including Feign annotations and JAX-RS annotations. Feign also supports pluggable encoders and decoders.  Spring Cloud adds support for Spring MVC annotations and for using the same <code class="literal">HttpMessageConverters</code> used by default in Spring Web.  Spring Cloud integrates Ribbon and Eureka to provide a load balanced http client when using Feign.</p><div class="section"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a name="netflix-feign-starter" href="#netflix-feign-starter"></a>1.1&nbsp;How to Include Feign</h2></div></div></div><p>To include Feign in your project use the starter with group <code class="literal">org.springframework.cloud</code>
+and artifact id <code class="literal">spring-cloud-starter-openfeign</code>. See the <a class="link" href="https://projects.spring.io/spring-cloud/" target="_top">Spring Cloud Project page</a>
+for details on setting up your build system with the current Spring Cloud Release Train.</p><p>Example spring boot app</p><pre class="programlisting"><em><span class="hl-annotation" style="color: gray">@SpringBootApplication</span></em>
+<em><span class="hl-annotation" style="color: gray">@EnableFeignClients</span></em>
+<span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">public</span> <span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">class</span> Application {
+
+    <span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">public</span> <span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">static</span> <span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">void</span> main(String[] args) {
+        SpringApplication.run(Application.<span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">class</span>, args);
+    }
+
+}</pre><p><b>StoreClient.java.&nbsp;</b>
+</p><pre class="programlisting"><em><span class="hl-annotation" style="color: gray">@FeignClient("stores")</span></em>
+<span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">public</span> <span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">interface</span> StoreClient {
+    <em><span class="hl-annotation" style="color: gray">@RequestMapping(method = RequestMethod.GET, value = "/stores")</span></em>
+    List&lt;Store&gt; getStores();
+
+    <em><span class="hl-annotation" style="color: gray">@RequestMapping(method = RequestMethod.POST, value = "/stores/{storeId}", consumes = "application/json")</span></em>
+    Store update(<em><span class="hl-annotation" style="color: gray">@PathVariable("storeId")</span></em> Long storeId, Store store);
+}</pre><p>
+</p><p>In the <code class="literal">@FeignClient</code> annotation the String value ("stores" above) is
+an arbitrary client name, which is used to create a Ribbon load
+balancer (see <a class="link" href="">below for details of Ribbon
+support</a>). You can also specify a URL using the <code class="literal">url</code> attribute
+(absolute value or just a hostname). The name of the bean in the
+application context is the fully qualified name of the interface.
+To specify your own alias value you can use the <code class="literal">qualifier</code> value
+of the <code class="literal">@FeignClient</code> annotation.</p><p>The Ribbon client above will want to discover the physical addresses
+for the "stores" service. If your application is a Eureka client then
+it will resolve the service in the Eureka service registry. If you
+don&#8217;t want to use Eureka, you can simply configure a list of servers
+in your external configuration (see
+<a class="link" href="">above for example</a>).</p></div><div class="section"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a name="spring-cloud-feign-overriding-defaults" href="#spring-cloud-feign-overriding-defaults"></a>1.2&nbsp;Overriding Feign Defaults</h2></div></div></div><p>A central concept in Spring Cloud&#8217;s Feign support is that of the named client. Each feign client is part of an ensemble of components that work together to contact a remote server on demand, and the ensemble has a name that you give it as an application developer using the <code class="literal">@FeignClient</code> annotation. Spring Cloud creates a new ensemble as an
+<code class="literal">ApplicationContext</code> on demand for each named client using <code class="literal">FeignClientsConfiguration</code>. This contains (amongst other things) an <code class="literal">feign.Decoder</code>, a <code class="literal">feign.Encoder</code>, and a <code class="literal">feign.Contract</code>.</p><p>Spring Cloud lets you take full control of the feign client by declaring additional configuration (on top of the <code class="literal">FeignClientsConfiguration</code>) using <code class="literal">@FeignClient</code>. Example:</p><pre class="programlisting"><em><span class="hl-annotation" style="color: gray">@FeignClient(name = "stores", configuration = FooConfiguration.class)</span></em>
+<span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">public</span> <span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">interface</span> StoreClient {
+    <span xmlns:d="http://docbook.org/ns/docbook" class="hl-comment">//..</span>
+}</pre><p>In this case the client is composed from the components already in <code class="literal">FeignClientsConfiguration</code> together with any in <code class="literal">FooConfiguration</code> (where the latter will override the former).</p><div class="note" style="margin-left: 0.5in; margin-right: 0.5in;"><table border="0" summary="Note"><tr><td rowspan="2" align="center" valign="top" width="25"><img alt="[Note]" src="images/note.png"></td><th align="left">Note</th></tr><tr><td align="left" valign="top"><p><code class="literal">FooConfiguration</code> does not need to be annotated with <code class="literal">@Configuration</code>. However, if it is, then take care to exclude it from any <code class="literal">@ComponentScan</code> that would otherwise include this configuration as it will become the default source for <code class="literal">feign.Decoder</code>, <code class="literal">feign.Encoder</code>, <code class="literal">feign.Contract</code>, etc., when specified. This can be avoided by putting it in a separate, non-overlapping package from any <code class="literal">@ComponentScan</code> or <code class="literal">@SpringBootApplication</code>, or it can be explicitly excluded in <code class="literal">@ComponentScan</code>.</p></td></tr></table></div><div class="note" style="margin-left: 0.5in; margin-right: 0.5in;"><table border="0" summary="Note"><tr><td rowspan="2" align="center" valign="top" width="25"><img alt="[Note]" src="images/note.png"></td><th align="left">Note</th></tr><tr><td align="left" valign="top"><p>The <code class="literal">serviceId</code> attribute is now deprecated in favor of the <code class="literal">name</code> attribute.</p></td></tr></table></div><div class="warning" style="margin-left: 0.5in; margin-right: 0.5in;"><table border="0" summary="Warning"><tr><td rowspan="2" align="center" valign="top" width="25"><img alt="[Warning]" src="images/warning.png"></td><th align="left">Warning</th></tr><tr><td align="left" valign="top"><p>Previously, using the <code class="literal">url</code> attribute, did not require the <code class="literal">name</code> attribute. Using <code class="literal">name</code> is now required.</p></td></tr></table></div><p>Placeholders are supported in the <code class="literal">name</code> and <code class="literal">url</code> attributes.</p><pre class="programlisting"><em><span class="hl-annotation" style="color: gray">@FeignClient(name = "${feign.name}", url = "${feign.url}")</span></em>
+<span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">public</span> <span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">interface</span> StoreClient {
+    <span xmlns:d="http://docbook.org/ns/docbook" class="hl-comment">//..</span>
+}</pre><p>Spring Cloud Netflix provides the following beans by default for feign (<code class="literal">BeanType</code> beanName: <code class="literal">ClassName</code>):</p><div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "><li class="listitem"><code class="literal">Decoder</code> feignDecoder: <code class="literal">ResponseEntityDecoder</code> (which wraps a <code class="literal">SpringDecoder</code>)</li><li class="listitem"><code class="literal">Encoder</code> feignEncoder: <code class="literal">SpringEncoder</code></li><li class="listitem"><code class="literal">Logger</code> feignLogger: <code class="literal">Slf4jLogger</code></li><li class="listitem"><code class="literal">Contract</code> feignContract: <code class="literal">SpringMvcContract</code></li><li class="listitem"><code class="literal">Feign.Builder</code> feignBuilder: <code class="literal">HystrixFeign.Builder</code></li><li class="listitem"><code class="literal">Client</code> feignClient: if Ribbon is enabled it is a <code class="literal">LoadBalancerFeignClient</code>, otherwise the default feign client is used.</li></ul></div><p>The OkHttpClient and ApacheHttpClient feign clients can be used by setting <code class="literal">feign.okhttp.enabled</code> or <code class="literal">feign.httpclient.enabled</code> to <code class="literal">true</code>, respectively, and having them on the classpath.
+You can customize the HTTP client used by providing a bean of either <code class="literal">ClosableHttpClient</code> when using Apache or <code class="literal">OkHttpClient</code> when using OK HTTP.</p><p>Spring Cloud Netflix <span class="emphasis"><em>does not</em></span> provide the following beans by default for feign, but still looks up beans of these types from the application context to create the feign client:</p><div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "><li class="listitem"><code class="literal">Logger.Level</code></li><li class="listitem"><code class="literal">Retryer</code></li><li class="listitem"><code class="literal">ErrorDecoder</code></li><li class="listitem"><code class="literal">Request.Options</code></li><li class="listitem"><code class="literal">Collection&lt;RequestInterceptor&gt;</code></li><li class="listitem"><code class="literal">SetterFactory</code></li></ul></div><p>Creating a bean of one of those type and placing it in a <code class="literal">@FeignClient</code> configuration (such as <code class="literal">FooConfiguration</code> above) allows you to override each one of the beans described.  Example:</p><pre class="programlisting"><em><span class="hl-annotation" style="color: gray">@Configuration</span></em>
+<span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">public</span> <span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">class</span> FooConfiguration {
+    <em><span class="hl-annotation" style="color: gray">@Bean</span></em>
+    <span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">public</span> Contract feignContract() {
+        <span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">return</span> <span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">new</span> feign.Contract.Default();
+    }
+
+    <em><span class="hl-annotation" style="color: gray">@Bean</span></em>
+    <span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">public</span> BasicAuthRequestInterceptor basicAuthRequestInterceptor() {
+        <span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">return</span> <span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">new</span> BasicAuthRequestInterceptor(<span xmlns:d="http://docbook.org/ns/docbook" class="hl-string">"user"</span>, <span xmlns:d="http://docbook.org/ns/docbook" class="hl-string">"password"</span>);
+    }
+}</pre><p>This replaces the <code class="literal">SpringMvcContract</code> with <code class="literal">feign.Contract.Default</code> and adds a <code class="literal">RequestInterceptor</code> to the collection of <code class="literal">RequestInterceptor</code>.</p><p><code class="literal">@FeignClient</code> also can be configured using configuration properties.</p><p>application.yml</p><pre class="programlisting"><span xmlns:d="http://docbook.org/ns/docbook" class="hl-attribute">feign</span>:
+<span xmlns:d="http://docbook.org/ns/docbook" class="hl-attribute">  client</span>:
+<span xmlns:d="http://docbook.org/ns/docbook" class="hl-attribute">    config</span>:
+<span xmlns:d="http://docbook.org/ns/docbook" class="hl-attribute">      feignName</span>:
+<span xmlns:d="http://docbook.org/ns/docbook" class="hl-attribute">        connectTimeout</span>: <span class="hl-number">5000</span>
+<span xmlns:d="http://docbook.org/ns/docbook" class="hl-attribute">        readTimeout</span>: <span class="hl-number">5000</span>
+<span xmlns:d="http://docbook.org/ns/docbook" class="hl-attribute">        loggerLevel</span>: full
+<span xmlns:d="http://docbook.org/ns/docbook" class="hl-attribute">        errorDecoder</span>: com.example.SimpleErrorDecoder
+<span xmlns:d="http://docbook.org/ns/docbook" class="hl-attribute">        retryer</span>: com.example.SimpleRetryer
+<span xmlns:d="http://docbook.org/ns/docbook" class="hl-attribute">        requestInterceptors</span>:
+          - com.example.FooRequestInterceptor
+          - com.example.BarRequestInterceptor
+<span xmlns:d="http://docbook.org/ns/docbook" class="hl-attribute">        decode404</span>: <span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">false</span>
+<span xmlns:d="http://docbook.org/ns/docbook" class="hl-attribute">        encoder</span>: com.example.SimpleEncoder
+<span xmlns:d="http://docbook.org/ns/docbook" class="hl-attribute">        decoder</span>: com.example.SimpleDecoder
+<span xmlns:d="http://docbook.org/ns/docbook" class="hl-attribute">        contract</span>: com.example.SimpleContract</pre><p>Default configurations can be specified in the <code class="literal">@EnableFeignClients</code> attribute <code class="literal">defaultConfiguration</code> in a similar manner as described above. The difference is that this configuration will apply to <span class="emphasis"><em>all</em></span> feign clients.</p><p>If you prefer using configuration properties to configured all <code class="literal">@FeignClient</code>, you can create configuration properties with <code class="literal">default</code> feign name.</p><p>application.yml</p><pre class="programlisting"><span xmlns:d="http://docbook.org/ns/docbook" class="hl-attribute">feign</span>:
+<span xmlns:d="http://docbook.org/ns/docbook" class="hl-attribute">  client</span>:
+<span xmlns:d="http://docbook.org/ns/docbook" class="hl-attribute">    config</span>:
+<span xmlns:d="http://docbook.org/ns/docbook" class="hl-attribute">      default</span>:
+<span xmlns:d="http://docbook.org/ns/docbook" class="hl-attribute">        connectTimeout</span>: <span class="hl-number">5000</span>
+<span xmlns:d="http://docbook.org/ns/docbook" class="hl-attribute">        readTimeout</span>: <span class="hl-number">5000</span>
+<span xmlns:d="http://docbook.org/ns/docbook" class="hl-attribute">        loggerLevel</span>: basic</pre><p>If we create both <code class="literal">@Configuration</code> bean and configuration properties, configuration properties will win.
+It will override <code class="literal">@Configuration</code> values. But if you want to change the priority to <code class="literal">@Configuration</code>,
+you can change <code class="literal">feign.client.default-to-properties</code> to <code class="literal">false</code>.</p><div class="note" style="margin-left: 0.5in; margin-right: 0.5in;"><table border="0" summary="Note"><tr><td rowspan="2" align="center" valign="top" width="25"><img alt="[Note]" src="images/note.png"></td><th align="left">Note</th></tr><tr><td align="left" valign="top"><p>If you need to use <code class="literal">ThreadLocal</code> bound variables in your <code class="literal">RequestInterceptor`s you will need to either set the
+thread isolation strategy for Hystrix to `SEMAPHORE</code> or disable Hystrix in Feign.</p></td></tr></table></div><p>application.yml</p><pre class="programlisting"><span xmlns:d="http://docbook.org/ns/docbook" class="hl-comment"># To disable Hystrix in Feign</span>
+<span xmlns:d="http://docbook.org/ns/docbook" class="hl-attribute">feign</span>:
+<span xmlns:d="http://docbook.org/ns/docbook" class="hl-attribute">  hystrix</span>:
+<span xmlns:d="http://docbook.org/ns/docbook" class="hl-attribute">    enabled</span>: <span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">false</span>
+
+<span xmlns:d="http://docbook.org/ns/docbook" class="hl-comment"># To set thread isolation to SEMAPHORE</span>
+<span xmlns:d="http://docbook.org/ns/docbook" class="hl-attribute">hystrix</span>:
+<span xmlns:d="http://docbook.org/ns/docbook" class="hl-attribute">  command</span>:
+<span xmlns:d="http://docbook.org/ns/docbook" class="hl-attribute">    default</span>:
+<span xmlns:d="http://docbook.org/ns/docbook" class="hl-attribute">      execution</span>:
+<span xmlns:d="http://docbook.org/ns/docbook" class="hl-attribute">        isolation</span>:
+<span xmlns:d="http://docbook.org/ns/docbook" class="hl-attribute">          strategy</span>: SEMAPHORE</pre></div><div class="section"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a name="_creating_feign_clients_manually" href="#_creating_feign_clients_manually"></a>1.3&nbsp;Creating Feign Clients Manually</h2></div></div></div><p>In some cases it might be necessary to customize your Feign Clients in a way that is not
+possible using the methods above.  In this case you can create Clients using the
+<a class="link" href="https://github.com/OpenFeign/feign/#basics" target="_top">Feign Builder API</a>. Below is an example
+which creates two Feign Clients with the same interface but configures each one with
+a separate request interceptor.</p><pre class="programlisting"><em><span class="hl-annotation" style="color: gray">@Import(FeignClientsConfiguration.class)</span></em>
+<span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">class</span> FooController {
+
+	<span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">private</span> FooClient fooClient;
+
+	<span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">private</span> FooClient adminClient;
+
+    	<em><span class="hl-annotation" style="color: gray">@Autowired</span></em>
+	<span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">public</span> FooController(Decoder decoder, Encoder encoder, Client client, Contract contract) {
+		<span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">this</span>.fooClient = Feign.builder().client(client)
+				.encoder(encoder)
+				.decoder(decoder)
+				.contract(contract)
+				.requestInterceptor(<span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">new</span> BasicAuthRequestInterceptor(<span xmlns:d="http://docbook.org/ns/docbook" class="hl-string">"user"</span>, <span xmlns:d="http://docbook.org/ns/docbook" class="hl-string">"user"</span>))
+				.target(FooClient.<span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">class</span>, <span xmlns:d="http://docbook.org/ns/docbook" class="hl-string">"http://PROD-SVC"</span>);
+
+		<span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">this</span>.adminClient = Feign.builder().client(client)
+				.encoder(encoder)
+				.decoder(decoder)
+				.contract(contract)
+				.requestInterceptor(<span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">new</span> BasicAuthRequestInterceptor(<span xmlns:d="http://docbook.org/ns/docbook" class="hl-string">"admin"</span>, <span xmlns:d="http://docbook.org/ns/docbook" class="hl-string">"admin"</span>))
+				.target(FooClient.<span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">class</span>, <span xmlns:d="http://docbook.org/ns/docbook" class="hl-string">"http://PROD-SVC"</span>);
+    }
+}</pre><div class="note" style="margin-left: 0.5in; margin-right: 0.5in;"><table border="0" summary="Note"><tr><td rowspan="2" align="center" valign="top" width="25"><img alt="[Note]" src="images/note.png"></td><th align="left">Note</th></tr><tr><td align="left" valign="top"><p>In the above example <code class="literal">FeignClientsConfiguration.class</code> is the default configuration
+provided by Spring Cloud Netflix.</p></td></tr></table></div><div class="note" style="margin-left: 0.5in; margin-right: 0.5in;"><table border="0" summary="Note"><tr><td rowspan="2" align="center" valign="top" width="25"><img alt="[Note]" src="images/note.png"></td><th align="left">Note</th></tr><tr><td align="left" valign="top"><p><code class="literal">PROD-SVC</code> is the name of the service the Clients will be making requests to.</p></td></tr></table></div><div class="note" style="margin-left: 0.5in; margin-right: 0.5in;"><table border="0" summary="Note"><tr><td rowspan="2" align="center" valign="top" width="25"><img alt="[Note]" src="images/note.png"></td><th align="left">Note</th></tr><tr><td align="left" valign="top"><p>The Feign <code class="literal">Contract</code> object defines what annotations and values are valid on interfaces. The
+autowired <code class="literal">Contract</code> bean provides supports for SpringMVC annotations, instead of
+the default Feign native annotations.</p></td></tr></table></div></div><div class="section"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a name="spring-cloud-feign-hystrix" href="#spring-cloud-feign-hystrix"></a>1.4&nbsp;Feign Hystrix Support</h2></div></div></div><p>If Hystrix is on the classpath and <code class="literal">feign.hystrix.enabled=true</code>, Feign will wrap all methods with a circuit breaker. Returning a <code class="literal">com.netflix.hystrix.HystrixCommand</code> is also available. This lets you use reactive patterns (with a call to <code class="literal">.toObservable()</code> or <code class="literal">.observe()</code> or asynchronous use (with a call to <code class="literal">.queue()</code>).</p><p>To disable Hystrix support on a per-client basis create a vanilla <code class="literal">Feign.Builder</code> with the "prototype" scope, e.g.:</p><pre class="programlisting"><em><span class="hl-annotation" style="color: gray">@Configuration</span></em>
+<span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">public</span> <span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">class</span> FooConfiguration {
+    	<em><span class="hl-annotation" style="color: gray">@Bean</span></em>
+	<em><span class="hl-annotation" style="color: gray">@Scope("prototype")</span></em>
+	<span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">public</span> Feign.Builder feignBuilder() {
+		<span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">return</span> Feign.builder();
+	}
+}</pre><div class="warning" style="margin-left: 0.5in; margin-right: 0.5in;"><table border="0" summary="Warning"><tr><td rowspan="2" align="center" valign="top" width="25"><img alt="[Warning]" src="images/warning.png"></td><th align="left">Warning</th></tr><tr><td align="left" valign="top"><p>Prior to the Spring Cloud Dalston release, if Hystrix was on the classpath Feign would have wrapped
+all methods in a circuit breaker by default.  This default behavior was changed in Spring Cloud Dalston in
+favor for an opt-in approach.</p></td></tr></table></div></div><div class="section"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a name="spring-cloud-feign-hystrix-fallback" href="#spring-cloud-feign-hystrix-fallback"></a>1.5&nbsp;Feign Hystrix Fallbacks</h2></div></div></div><p>Hystrix supports the notion of a fallback: a default code path that is executed when they circuit is open or there is an error. To enable fallbacks for a given <code class="literal">@FeignClient</code> set the <code class="literal">fallback</code> attribute to the class name that implements the fallback. You also need to declare your implementation as a Spring bean.</p><pre class="programlisting"><em><span class="hl-annotation" style="color: gray">@FeignClient(name = "hello", fallback = HystrixClientFallback.class)</span></em>
+<span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">protected</span> <span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">interface</span> HystrixClient {
+    <em><span class="hl-annotation" style="color: gray">@RequestMapping(method = RequestMethod.GET, value = "/hello")</span></em>
+    Hello iFailSometimes();
+}
+
+<span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">static</span> <span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">class</span> HystrixClientFallback <span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">implements</span> HystrixClient {
+    <em><span class="hl-annotation" style="color: gray">@Override</span></em>
+    <span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">public</span> Hello iFailSometimes() {
+        <span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">return</span> <span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">new</span> Hello(<span xmlns:d="http://docbook.org/ns/docbook" class="hl-string">"fallback"</span>);
+    }
+}</pre><p>If one needs access to the cause that made the fallback trigger, one can use the <code class="literal">fallbackFactory</code> attribute inside <code class="literal">@FeignClient</code>.</p><pre class="programlisting"><em><span class="hl-annotation" style="color: gray">@FeignClient(name = "hello", fallbackFactory = HystrixClientFallbackFactory.class)</span></em>
+<span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">protected</span> <span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">interface</span> HystrixClient {
+	<em><span class="hl-annotation" style="color: gray">@RequestMapping(method = RequestMethod.GET, value = "/hello")</span></em>
+	Hello iFailSometimes();
+}
+
+<em><span class="hl-annotation" style="color: gray">@Component</span></em>
+<span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">static</span> <span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">class</span> HystrixClientFallbackFactory <span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">implements</span> FallbackFactory&lt;HystrixClient&gt; {
+	<em><span class="hl-annotation" style="color: gray">@Override</span></em>
+	<span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">public</span> HystrixClient create(Throwable cause) {
+		<span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">return</span> <span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">new</span> HystrixClient() {
+			<em><span class="hl-annotation" style="color: gray">@Override</span></em>
+			<span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">public</span> Hello iFailSometimes() {
+				<span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">return</span> <span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">new</span> Hello(<span xmlns:d="http://docbook.org/ns/docbook" class="hl-string">"fallback; reason was: "</span> + cause.getMessage());
+			}
+		};
+	}
+}</pre><div class="warning" style="margin-left: 0.5in; margin-right: 0.5in;"><table border="0" summary="Warning"><tr><td rowspan="2" align="center" valign="top" width="25"><img alt="[Warning]" src="images/warning.png"></td><th align="left">Warning</th></tr><tr><td align="left" valign="top"><p>There is a limitation with the implementation of fallbacks in Feign and how Hystrix fallbacks work. Fallbacks are currently not supported for methods that return <code class="literal">com.netflix.hystrix.HystrixCommand</code> and <code class="literal">rx.Observable</code>.</p></td></tr></table></div></div><div class="section"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a name="_feign_and_literal_primary_literal" href="#_feign_and_literal_primary_literal"></a>1.6&nbsp;Feign and <code class="literal">@Primary</code></h2></div></div></div><p>When using Feign with Hystrix fallbacks, there are multiple beans in the <code class="literal">ApplicationContext</code> of the same type. This will cause <code class="literal">@Autowired</code> to not work because there isn&#8217;t exactly one bean, or one marked as primary. To work around this, Spring Cloud Netflix marks all Feign instances as <code class="literal">@Primary</code>, so Spring Framework will know which bean to inject. In some cases, this may not be desirable. To turn off this behavior set the <code class="literal">primary</code> attribute of <code class="literal">@FeignClient</code> to false.</p><pre class="programlisting"><em><span class="hl-annotation" style="color: gray">@FeignClient(name = "hello", primary = false)</span></em>
+<span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">public</span> <span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">interface</span> HelloClient {
+	<span xmlns:d="http://docbook.org/ns/docbook" class="hl-comment">// methods here</span>
+}</pre></div><div class="section"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a name="spring-cloud-feign-inheritance" href="#spring-cloud-feign-inheritance"></a>1.7&nbsp;Feign Inheritance Support</h2></div></div></div><p>Feign supports boilerplate apis via single-inheritance interfaces.
+This allows grouping common operations into convenient base interfaces.</p><p><b>UserService.java.&nbsp;</b>
+</p><pre class="programlisting"><span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">public</span> <span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">interface</span> UserService {
+
+    <em><span class="hl-annotation" style="color: gray">@RequestMapping(method = RequestMethod.GET, value ="/users/{id}")</span></em>
+    User getUser(<em><span class="hl-annotation" style="color: gray">@PathVariable("id")</span></em> <span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">long</span> id);
+}</pre><p>
+</p><p><b>UserResource.java.&nbsp;</b>
+</p><pre class="programlisting"><em><span class="hl-annotation" style="color: gray">@RestController</span></em>
+<span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">public</span> <span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">class</span> UserResource <span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">implements</span> UserService {
+
+}</pre><p>
+</p><p><b>UserClient.java.&nbsp;</b>
+</p><pre class="programlisting"><span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">package</span> project.user;
+
+<em><span class="hl-annotation" style="color: gray">@FeignClient("users")</span></em>
+<span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">public</span> <span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">interface</span> UserClient <span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">extends</span> UserService {
+
+}</pre><p>
+</p><div class="note" style="margin-left: 0.5in; margin-right: 0.5in;"><table border="0" summary="Note"><tr><td rowspan="2" align="center" valign="top" width="25"><img alt="[Note]" src="images/note.png"></td><th align="left">Note</th></tr><tr><td align="left" valign="top"><p>It is generally not advisable to share an interface between a
+server and a client. It introduces tight coupling, and also actually
+doesn&#8217;t work with Spring MVC in its current form (method parameter
+mapping is not inherited).</p></td></tr></table></div></div><div class="section"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a name="_feign_request_response_compression" href="#_feign_request_response_compression"></a>1.8&nbsp;Feign request/response compression</h2></div></div></div><p>You may consider enabling the request or response GZIP compression for your
+Feign requests. You can do this by enabling one of the properties:</p><pre class="programlisting">feign.compression.request.enabled=true
+feign.compression.response.enabled=true</pre><p>Feign request compression gives you settings similar to what you may set for your web server:</p><pre class="programlisting">feign.compression.request.enabled=true
+feign.compression.request.mime-types=text/xml,application/xml,application/json
+feign.compression.request.min-request-size=<span class="hl-number">2048</span></pre><p>These properties allow you to be selective about the compressed media types and minimum request threshold length.</p></div><div class="section"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a name="_feign_logging" href="#_feign_logging"></a>1.9&nbsp;Feign logging</h2></div></div></div><p>A logger is created for each Feign client created. By default the name of the logger is the full class name of the interface used to create the Feign client. Feign logging only responds to the <code class="literal">DEBUG</code> level.</p><p><b>application.yml.&nbsp;</b>
+</p><pre class="programlisting"><span xmlns:d="http://docbook.org/ns/docbook" class="hl-attribute">logging.level.project.user.UserClient</span>: DEBUG</pre><p>
+</p><p>The <code class="literal">Logger.Level</code> object that you may configure per client, tells Feign how much to log. Choices are:</p><div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "><li class="listitem"><code class="literal">NONE</code>, No logging (<span class="strong"><strong>DEFAULT</strong></span>).</li><li class="listitem"><code class="literal">BASIC</code>, Log only the request method and URL and the response status code and execution time.</li><li class="listitem"><code class="literal">HEADERS</code>, Log the basic information along with request and response headers.</li><li class="listitem"><code class="literal">FULL</code>, Log the headers, body, and metadata for both requests and responses.</li></ul></div><p>For example, the following would set the <code class="literal">Logger.Level</code> to <code class="literal">FULL</code>:</p><pre class="programlisting"><em><span class="hl-annotation" style="color: gray">@Configuration</span></em>
+<span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">public</span> <span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">class</span> FooConfiguration {
+    <em><span class="hl-annotation" style="color: gray">@Bean</span></em>
+    Logger.Level feignLoggerLevel() {
+        <span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">return</span> Logger.Level.FULL;
+    }
+}</pre></div></div><div class="navfooter"><hr><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="multi_pr01.html">Prev</a>&nbsp;</td><td width="20%" align="center">&nbsp;</td><td width="40%" align="right">&nbsp;</td></tr><tr><td width="40%" align="left" valign="top">&nbsp;</td><td width="20%" align="center"><a accesskey="h" href="multi_spring-cloud-openfeign.html">Home</a></td><td width="40%" align="right" valign="top">&nbsp;</td></tr></table></div></body></html>
--- a/2.0.x/multi/multi_spring-cloud-openfeign.html
+++ b/2.0.x/multi/multi_spring-cloud-openfeign.html
@ -0,0 +1,3 @@
				@@ -0,0 +1,3 @@
+<html><head>
+      <meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
+   <title>Spring Cloud OpenFeign</title><link rel="stylesheet" type="text/css" href="css/manual-multipage.css"><meta name="generator" content="DocBook XSL Stylesheets V1.78.1"><link rel="home" href="multi_spring-cloud-openfeign.html" title="Spring Cloud OpenFeign"><link rel="next" href="multi_pr01.html" title=""></head><body class="firstpage" bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center">Spring Cloud OpenFeign</th></tr><tr><td width="20%" align="left">&nbsp;</td><th width="60%" align="center">&nbsp;</th><td width="20%" align="right">&nbsp;<a accesskey="n" href="multi_pr01.html">Next</a></td></tr></table><hr></div><div lang="en" class="book"><div class="titlepage"><div><div><h1 class="title"><a name="d0e3"></a>Spring Cloud OpenFeign</h1></div></div><hr></div><div class="toc"><p><b>Table of Contents</b></p><dl class="toc"><dt><span class="preface"><a href="multi_pr01.html"></a></span></dt><dt><span class="chapter"><a href="multi_spring-cloud-feign.html">1. Declarative REST Client: Feign</a></span></dt><dd><dl><dt><span class="section"><a href="multi_spring-cloud-feign.html#netflix-feign-starter">1.1. How to Include Feign</a></span></dt><dt><span class="section"><a href="multi_spring-cloud-feign.html#spring-cloud-feign-overriding-defaults">1.2. Overriding Feign Defaults</a></span></dt><dt><span class="section"><a href="multi_spring-cloud-feign.html#_creating_feign_clients_manually">1.3. Creating Feign Clients Manually</a></span></dt><dt><span class="section"><a href="multi_spring-cloud-feign.html#spring-cloud-feign-hystrix">1.4. Feign Hystrix Support</a></span></dt><dt><span class="section"><a href="multi_spring-cloud-feign.html#spring-cloud-feign-hystrix-fallback">1.5. Feign Hystrix Fallbacks</a></span></dt><dt><span class="section"><a href="multi_spring-cloud-feign.html#_feign_and_literal_primary_literal">1.6. Feign and <code class="literal">@Primary</code></a></span></dt><dt><span class="section"><a href="multi_spring-cloud-feign.html#spring-cloud-feign-inheritance">1.7. Feign Inheritance Support</a></span></dt><dt><span class="section"><a href="multi_spring-cloud-feign.html#_feign_request_response_compression">1.8. Feign request/response compression</a></span></dt><dt><span class="section"><a href="multi_spring-cloud-feign.html#_feign_logging">1.9. Feign logging</a></span></dt></dl></dd></dl></div></div><div class="navfooter"><hr><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left">&nbsp;</td><td width="20%" align="center">&nbsp;</td><td width="40%" align="right">&nbsp;<a accesskey="n" href="multi_pr01.html">Next</a></td></tr><tr><td width="40%" align="left" valign="top">&nbsp;</td><td width="20%" align="center">&nbsp;</td><td width="40%" align="right" valign="top">&nbsp;</td></tr></table></div></body></html>
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+   code highlight CSS resemblign the Eclipse IDE default color schema
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+*/
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+
+body.firstpage {
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+
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--- a/2.0.x/single/css/manual.css
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--- a/2.0.x/single/spring-cloud-openfeign.html
+++ b/2.0.x/single/spring-cloud-openfeign.html
@ -0,0 +1,193 @@
				@@ -0,0 +1,193 @@
+<html><head>
+      <meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
+   <title>Spring Cloud OpenFeign</title><link rel="stylesheet" type="text/css" href="css/manual-singlepage.css"><meta name="generator" content="DocBook XSL Stylesheets V1.78.1"></head><body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"><div lang="en" class="book"><div class="titlepage"><div><div><h1 class="title"><a name="d0e3"></a>Spring Cloud OpenFeign</h1></div></div><hr></div><div class="toc"><p><b>Table of Contents</b></p><dl class="toc"><dt><span class="preface"><a href="#d0e9"></a></span></dt><dt><span class="chapter"><a href="#spring-cloud-feign">1. Declarative REST Client: Feign</a></span></dt><dd><dl><dt><span class="section"><a href="#netflix-feign-starter">1.1. How to Include Feign</a></span></dt><dt><span class="section"><a href="#spring-cloud-feign-overriding-defaults">1.2. Overriding Feign Defaults</a></span></dt><dt><span class="section"><a href="#_creating_feign_clients_manually">1.3. Creating Feign Clients Manually</a></span></dt><dt><span class="section"><a href="#spring-cloud-feign-hystrix">1.4. Feign Hystrix Support</a></span></dt><dt><span class="section"><a href="#spring-cloud-feign-hystrix-fallback">1.5. Feign Hystrix Fallbacks</a></span></dt><dt><span class="section"><a href="#_feign_and_literal_primary_literal">1.6. Feign and <code class="literal">@Primary</code></a></span></dt><dt><span class="section"><a href="#spring-cloud-feign-inheritance">1.7. Feign Inheritance Support</a></span></dt><dt><span class="section"><a href="#_feign_request_response_compression">1.8. Feign request/response compression</a></span></dt><dt><span class="section"><a href="#_feign_logging">1.9. Feign logging</a></span></dt></dl></dd></dl></div><div class="preface"><div class="titlepage"><div><div><h1 class="title"><a name="d0e9" href="#d0e9"></a></h1></div></div></div><p><span class="strong"><strong>2.0.5.BUILD-SNAPSHOT</strong></span></p><p>This project provides OpenFeign integrations for Spring Boot apps through autoconfiguration
+and binding to the Spring Environment and other Spring programming model idioms.</p></div><div class="chapter"><div class="titlepage"><div><div><h1 class="title"><a name="spring-cloud-feign" href="#spring-cloud-feign"></a>1.&nbsp;Declarative REST Client: Feign</h1></div></div></div><p><a class="link" href="https://github.com/Netflix/feign" target="_top">Feign</a> is a declarative web service client.  It makes writing web service clients easier.  To use Feign create an interface and annotate it.  It has pluggable annotation support including Feign annotations and JAX-RS annotations. Feign also supports pluggable encoders and decoders.  Spring Cloud adds support for Spring MVC annotations and for using the same <code class="literal">HttpMessageConverters</code> used by default in Spring Web.  Spring Cloud integrates Ribbon and Eureka to provide a load balanced http client when using Feign.</p><div class="section"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a name="netflix-feign-starter" href="#netflix-feign-starter"></a>1.1&nbsp;How to Include Feign</h2></div></div></div><p>To include Feign in your project use the starter with group <code class="literal">org.springframework.cloud</code>
+and artifact id <code class="literal">spring-cloud-starter-openfeign</code>. See the <a class="link" href="https://projects.spring.io/spring-cloud/" target="_top">Spring Cloud Project page</a>
+for details on setting up your build system with the current Spring Cloud Release Train.</p><p>Example spring boot app</p><pre class="programlisting"><em><span class="hl-annotation" style="color: gray">@SpringBootApplication</span></em>
+<em><span class="hl-annotation" style="color: gray">@EnableFeignClients</span></em>
+<span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">public</span> <span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">class</span> Application {
+
+    <span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">public</span> <span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">static</span> <span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">void</span> main(String[] args) {
+        SpringApplication.run(Application.<span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">class</span>, args);
+    }
+
+}</pre><p><b>StoreClient.java.&nbsp;</b>
+</p><pre class="programlisting"><em><span class="hl-annotation" style="color: gray">@FeignClient("stores")</span></em>
+<span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">public</span> <span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">interface</span> StoreClient {
+    <em><span class="hl-annotation" style="color: gray">@RequestMapping(method = RequestMethod.GET, value = "/stores")</span></em>
+    List&lt;Store&gt; getStores();
+
+    <em><span class="hl-annotation" style="color: gray">@RequestMapping(method = RequestMethod.POST, value = "/stores/{storeId}", consumes = "application/json")</span></em>
+    Store update(<em><span class="hl-annotation" style="color: gray">@PathVariable("storeId")</span></em> Long storeId, Store store);
+}</pre><p>
+</p><p>In the <code class="literal">@FeignClient</code> annotation the String value ("stores" above) is
+an arbitrary client name, which is used to create a Ribbon load
+balancer (see <a class="link" href="#">below for details of Ribbon
+support</a>). You can also specify a URL using the <code class="literal">url</code> attribute
+(absolute value or just a hostname). The name of the bean in the
+application context is the fully qualified name of the interface.
+To specify your own alias value you can use the <code class="literal">qualifier</code> value
+of the <code class="literal">@FeignClient</code> annotation.</p><p>The Ribbon client above will want to discover the physical addresses
+for the "stores" service. If your application is a Eureka client then
+it will resolve the service in the Eureka service registry. If you
+don&#8217;t want to use Eureka, you can simply configure a list of servers
+in your external configuration (see
+<a class="link" href="#">above for example</a>).</p></div><div class="section"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a name="spring-cloud-feign-overriding-defaults" href="#spring-cloud-feign-overriding-defaults"></a>1.2&nbsp;Overriding Feign Defaults</h2></div></div></div><p>A central concept in Spring Cloud&#8217;s Feign support is that of the named client. Each feign client is part of an ensemble of components that work together to contact a remote server on demand, and the ensemble has a name that you give it as an application developer using the <code class="literal">@FeignClient</code> annotation. Spring Cloud creates a new ensemble as an
+<code class="literal">ApplicationContext</code> on demand for each named client using <code class="literal">FeignClientsConfiguration</code>. This contains (amongst other things) an <code class="literal">feign.Decoder</code>, a <code class="literal">feign.Encoder</code>, and a <code class="literal">feign.Contract</code>.</p><p>Spring Cloud lets you take full control of the feign client by declaring additional configuration (on top of the <code class="literal">FeignClientsConfiguration</code>) using <code class="literal">@FeignClient</code>. Example:</p><pre class="programlisting"><em><span class="hl-annotation" style="color: gray">@FeignClient(name = "stores", configuration = FooConfiguration.class)</span></em>
+<span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">public</span> <span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">interface</span> StoreClient {
+    <span xmlns:d="http://docbook.org/ns/docbook" class="hl-comment">//..</span>
+}</pre><p>In this case the client is composed from the components already in <code class="literal">FeignClientsConfiguration</code> together with any in <code class="literal">FooConfiguration</code> (where the latter will override the former).</p><div class="note" style="margin-left: 0.5in; margin-right: 0.5in;"><table border="0" summary="Note"><tr><td rowspan="2" align="center" valign="top" width="25"><img alt="[Note]" src="images/note.png"></td><th align="left">Note</th></tr><tr><td align="left" valign="top"><p><code class="literal">FooConfiguration</code> does not need to be annotated with <code class="literal">@Configuration</code>. However, if it is, then take care to exclude it from any <code class="literal">@ComponentScan</code> that would otherwise include this configuration as it will become the default source for <code class="literal">feign.Decoder</code>, <code class="literal">feign.Encoder</code>, <code class="literal">feign.Contract</code>, etc., when specified. This can be avoided by putting it in a separate, non-overlapping package from any <code class="literal">@ComponentScan</code> or <code class="literal">@SpringBootApplication</code>, or it can be explicitly excluded in <code class="literal">@ComponentScan</code>.</p></td></tr></table></div><div class="note" style="margin-left: 0.5in; margin-right: 0.5in;"><table border="0" summary="Note"><tr><td rowspan="2" align="center" valign="top" width="25"><img alt="[Note]" src="images/note.png"></td><th align="left">Note</th></tr><tr><td align="left" valign="top"><p>The <code class="literal">serviceId</code> attribute is now deprecated in favor of the <code class="literal">name</code> attribute.</p></td></tr></table></div><div class="warning" style="margin-left: 0.5in; margin-right: 0.5in;"><table border="0" summary="Warning"><tr><td rowspan="2" align="center" valign="top" width="25"><img alt="[Warning]" src="images/warning.png"></td><th align="left">Warning</th></tr><tr><td align="left" valign="top"><p>Previously, using the <code class="literal">url</code> attribute, did not require the <code class="literal">name</code> attribute. Using <code class="literal">name</code> is now required.</p></td></tr></table></div><p>Placeholders are supported in the <code class="literal">name</code> and <code class="literal">url</code> attributes.</p><pre class="programlisting"><em><span class="hl-annotation" style="color: gray">@FeignClient(name = "${feign.name}", url = "${feign.url}")</span></em>
+<span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">public</span> <span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">interface</span> StoreClient {
+    <span xmlns:d="http://docbook.org/ns/docbook" class="hl-comment">//..</span>
+}</pre><p>Spring Cloud Netflix provides the following beans by default for feign (<code class="literal">BeanType</code> beanName: <code class="literal">ClassName</code>):</p><div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "><li class="listitem"><code class="literal">Decoder</code> feignDecoder: <code class="literal">ResponseEntityDecoder</code> (which wraps a <code class="literal">SpringDecoder</code>)</li><li class="listitem"><code class="literal">Encoder</code> feignEncoder: <code class="literal">SpringEncoder</code></li><li class="listitem"><code class="literal">Logger</code> feignLogger: <code class="literal">Slf4jLogger</code></li><li class="listitem"><code class="literal">Contract</code> feignContract: <code class="literal">SpringMvcContract</code></li><li class="listitem"><code class="literal">Feign.Builder</code> feignBuilder: <code class="literal">HystrixFeign.Builder</code></li><li class="listitem"><code class="literal">Client</code> feignClient: if Ribbon is enabled it is a <code class="literal">LoadBalancerFeignClient</code>, otherwise the default feign client is used.</li></ul></div><p>The OkHttpClient and ApacheHttpClient feign clients can be used by setting <code class="literal">feign.okhttp.enabled</code> or <code class="literal">feign.httpclient.enabled</code> to <code class="literal">true</code>, respectively, and having them on the classpath.
+You can customize the HTTP client used by providing a bean of either <code class="literal">ClosableHttpClient</code> when using Apache or <code class="literal">OkHttpClient</code> when using OK HTTP.</p><p>Spring Cloud Netflix <span class="emphasis"><em>does not</em></span> provide the following beans by default for feign, but still looks up beans of these types from the application context to create the feign client:</p><div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "><li class="listitem"><code class="literal">Logger.Level</code></li><li class="listitem"><code class="literal">Retryer</code></li><li class="listitem"><code class="literal">ErrorDecoder</code></li><li class="listitem"><code class="literal">Request.Options</code></li><li class="listitem"><code class="literal">Collection&lt;RequestInterceptor&gt;</code></li><li class="listitem"><code class="literal">SetterFactory</code></li></ul></div><p>Creating a bean of one of those type and placing it in a <code class="literal">@FeignClient</code> configuration (such as <code class="literal">FooConfiguration</code> above) allows you to override each one of the beans described.  Example:</p><pre class="programlisting"><em><span class="hl-annotation" style="color: gray">@Configuration</span></em>
+<span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">public</span> <span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">class</span> FooConfiguration {
+    <em><span class="hl-annotation" style="color: gray">@Bean</span></em>
+    <span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">public</span> Contract feignContract() {
+        <span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">return</span> <span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">new</span> feign.Contract.Default();
+    }
+
+    <em><span class="hl-annotation" style="color: gray">@Bean</span></em>
+    <span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">public</span> BasicAuthRequestInterceptor basicAuthRequestInterceptor() {
+        <span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">return</span> <span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">new</span> BasicAuthRequestInterceptor(<span xmlns:d="http://docbook.org/ns/docbook" class="hl-string">"user"</span>, <span xmlns:d="http://docbook.org/ns/docbook" class="hl-string">"password"</span>);
+    }
+}</pre><p>This replaces the <code class="literal">SpringMvcContract</code> with <code class="literal">feign.Contract.Default</code> and adds a <code class="literal">RequestInterceptor</code> to the collection of <code class="literal">RequestInterceptor</code>.</p><p><code class="literal">@FeignClient</code> also can be configured using configuration properties.</p><p>application.yml</p><pre class="programlisting"><span xmlns:d="http://docbook.org/ns/docbook" class="hl-attribute">feign</span>:
+<span xmlns:d="http://docbook.org/ns/docbook" class="hl-attribute">  client</span>:
+<span xmlns:d="http://docbook.org/ns/docbook" class="hl-attribute">    config</span>:
+<span xmlns:d="http://docbook.org/ns/docbook" class="hl-attribute">      feignName</span>:
+<span xmlns:d="http://docbook.org/ns/docbook" class="hl-attribute">        connectTimeout</span>: <span class="hl-number">5000</span>
+<span xmlns:d="http://docbook.org/ns/docbook" class="hl-attribute">        readTimeout</span>: <span class="hl-number">5000</span>
+<span xmlns:d="http://docbook.org/ns/docbook" class="hl-attribute">        loggerLevel</span>: full
+<span xmlns:d="http://docbook.org/ns/docbook" class="hl-attribute">        errorDecoder</span>: com.example.SimpleErrorDecoder
+<span xmlns:d="http://docbook.org/ns/docbook" class="hl-attribute">        retryer</span>: com.example.SimpleRetryer
+<span xmlns:d="http://docbook.org/ns/docbook" class="hl-attribute">        requestInterceptors</span>:
+          - com.example.FooRequestInterceptor
+          - com.example.BarRequestInterceptor
+<span xmlns:d="http://docbook.org/ns/docbook" class="hl-attribute">        decode404</span>: <span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">false</span>
+<span xmlns:d="http://docbook.org/ns/docbook" class="hl-attribute">        encoder</span>: com.example.SimpleEncoder
+<span xmlns:d="http://docbook.org/ns/docbook" class="hl-attribute">        decoder</span>: com.example.SimpleDecoder
+<span xmlns:d="http://docbook.org/ns/docbook" class="hl-attribute">        contract</span>: com.example.SimpleContract</pre><p>Default configurations can be specified in the <code class="literal">@EnableFeignClients</code> attribute <code class="literal">defaultConfiguration</code> in a similar manner as described above. The difference is that this configuration will apply to <span class="emphasis"><em>all</em></span> feign clients.</p><p>If you prefer using configuration properties to configured all <code class="literal">@FeignClient</code>, you can create configuration properties with <code class="literal">default</code> feign name.</p><p>application.yml</p><pre class="programlisting"><span xmlns:d="http://docbook.org/ns/docbook" class="hl-attribute">feign</span>:
+<span xmlns:d="http://docbook.org/ns/docbook" class="hl-attribute">  client</span>:
+<span xmlns:d="http://docbook.org/ns/docbook" class="hl-attribute">    config</span>:
+<span xmlns:d="http://docbook.org/ns/docbook" class="hl-attribute">      default</span>:
+<span xmlns:d="http://docbook.org/ns/docbook" class="hl-attribute">        connectTimeout</span>: <span class="hl-number">5000</span>
+<span xmlns:d="http://docbook.org/ns/docbook" class="hl-attribute">        readTimeout</span>: <span class="hl-number">5000</span>
+<span xmlns:d="http://docbook.org/ns/docbook" class="hl-attribute">        loggerLevel</span>: basic</pre><p>If we create both <code class="literal">@Configuration</code> bean and configuration properties, configuration properties will win.
+It will override <code class="literal">@Configuration</code> values. But if you want to change the priority to <code class="literal">@Configuration</code>,
+you can change <code class="literal">feign.client.default-to-properties</code> to <code class="literal">false</code>.</p><div class="note" style="margin-left: 0.5in; margin-right: 0.5in;"><table border="0" summary="Note"><tr><td rowspan="2" align="center" valign="top" width="25"><img alt="[Note]" src="images/note.png"></td><th align="left">Note</th></tr><tr><td align="left" valign="top"><p>If you need to use <code class="literal">ThreadLocal</code> bound variables in your <code class="literal">RequestInterceptor`s you will need to either set the
+thread isolation strategy for Hystrix to `SEMAPHORE</code> or disable Hystrix in Feign.</p></td></tr></table></div><p>application.yml</p><pre class="programlisting"><span xmlns:d="http://docbook.org/ns/docbook" class="hl-comment"># To disable Hystrix in Feign</span>
+<span xmlns:d="http://docbook.org/ns/docbook" class="hl-attribute">feign</span>:
+<span xmlns:d="http://docbook.org/ns/docbook" class="hl-attribute">  hystrix</span>:
+<span xmlns:d="http://docbook.org/ns/docbook" class="hl-attribute">    enabled</span>: <span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">false</span>
+
+<span xmlns:d="http://docbook.org/ns/docbook" class="hl-comment"># To set thread isolation to SEMAPHORE</span>
+<span xmlns:d="http://docbook.org/ns/docbook" class="hl-attribute">hystrix</span>:
+<span xmlns:d="http://docbook.org/ns/docbook" class="hl-attribute">  command</span>:
+<span xmlns:d="http://docbook.org/ns/docbook" class="hl-attribute">    default</span>:
+<span xmlns:d="http://docbook.org/ns/docbook" class="hl-attribute">      execution</span>:
+<span xmlns:d="http://docbook.org/ns/docbook" class="hl-attribute">        isolation</span>:
+<span xmlns:d="http://docbook.org/ns/docbook" class="hl-attribute">          strategy</span>: SEMAPHORE</pre></div><div class="section"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a name="_creating_feign_clients_manually" href="#_creating_feign_clients_manually"></a>1.3&nbsp;Creating Feign Clients Manually</h2></div></div></div><p>In some cases it might be necessary to customize your Feign Clients in a way that is not
+possible using the methods above.  In this case you can create Clients using the
+<a class="link" href="https://github.com/OpenFeign/feign/#basics" target="_top">Feign Builder API</a>. Below is an example
+which creates two Feign Clients with the same interface but configures each one with
+a separate request interceptor.</p><pre class="programlisting"><em><span class="hl-annotation" style="color: gray">@Import(FeignClientsConfiguration.class)</span></em>
+<span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">class</span> FooController {
+
+	<span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">private</span> FooClient fooClient;
+
+	<span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">private</span> FooClient adminClient;
+
+    	<em><span class="hl-annotation" style="color: gray">@Autowired</span></em>
+	<span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">public</span> FooController(Decoder decoder, Encoder encoder, Client client, Contract contract) {
+		<span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">this</span>.fooClient = Feign.builder().client(client)
+				.encoder(encoder)
+				.decoder(decoder)
+				.contract(contract)
+				.requestInterceptor(<span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">new</span> BasicAuthRequestInterceptor(<span xmlns:d="http://docbook.org/ns/docbook" class="hl-string">"user"</span>, <span xmlns:d="http://docbook.org/ns/docbook" class="hl-string">"user"</span>))
+				.target(FooClient.<span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">class</span>, <span xmlns:d="http://docbook.org/ns/docbook" class="hl-string">"http://PROD-SVC"</span>);
+
+		<span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">this</span>.adminClient = Feign.builder().client(client)
+				.encoder(encoder)
+				.decoder(decoder)
+				.contract(contract)
+				.requestInterceptor(<span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">new</span> BasicAuthRequestInterceptor(<span xmlns:d="http://docbook.org/ns/docbook" class="hl-string">"admin"</span>, <span xmlns:d="http://docbook.org/ns/docbook" class="hl-string">"admin"</span>))
+				.target(FooClient.<span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">class</span>, <span xmlns:d="http://docbook.org/ns/docbook" class="hl-string">"http://PROD-SVC"</span>);
+    }
+}</pre><div class="note" style="margin-left: 0.5in; margin-right: 0.5in;"><table border="0" summary="Note"><tr><td rowspan="2" align="center" valign="top" width="25"><img alt="[Note]" src="images/note.png"></td><th align="left">Note</th></tr><tr><td align="left" valign="top"><p>In the above example <code class="literal">FeignClientsConfiguration.class</code> is the default configuration
+provided by Spring Cloud Netflix.</p></td></tr></table></div><div class="note" style="margin-left: 0.5in; margin-right: 0.5in;"><table border="0" summary="Note"><tr><td rowspan="2" align="center" valign="top" width="25"><img alt="[Note]" src="images/note.png"></td><th align="left">Note</th></tr><tr><td align="left" valign="top"><p><code class="literal">PROD-SVC</code> is the name of the service the Clients will be making requests to.</p></td></tr></table></div><div class="note" style="margin-left: 0.5in; margin-right: 0.5in;"><table border="0" summary="Note"><tr><td rowspan="2" align="center" valign="top" width="25"><img alt="[Note]" src="images/note.png"></td><th align="left">Note</th></tr><tr><td align="left" valign="top"><p>The Feign <code class="literal">Contract</code> object defines what annotations and values are valid on interfaces. The
+autowired <code class="literal">Contract</code> bean provides supports for SpringMVC annotations, instead of
+the default Feign native annotations.</p></td></tr></table></div></div><div class="section"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a name="spring-cloud-feign-hystrix" href="#spring-cloud-feign-hystrix"></a>1.4&nbsp;Feign Hystrix Support</h2></div></div></div><p>If Hystrix is on the classpath and <code class="literal">feign.hystrix.enabled=true</code>, Feign will wrap all methods with a circuit breaker. Returning a <code class="literal">com.netflix.hystrix.HystrixCommand</code> is also available. This lets you use reactive patterns (with a call to <code class="literal">.toObservable()</code> or <code class="literal">.observe()</code> or asynchronous use (with a call to <code class="literal">.queue()</code>).</p><p>To disable Hystrix support on a per-client basis create a vanilla <code class="literal">Feign.Builder</code> with the "prototype" scope, e.g.:</p><pre class="programlisting"><em><span class="hl-annotation" style="color: gray">@Configuration</span></em>
+<span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">public</span> <span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">class</span> FooConfiguration {
+    	<em><span class="hl-annotation" style="color: gray">@Bean</span></em>
+	<em><span class="hl-annotation" style="color: gray">@Scope("prototype")</span></em>
+	<span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">public</span> Feign.Builder feignBuilder() {
+		<span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">return</span> Feign.builder();
+	}
+}</pre><div class="warning" style="margin-left: 0.5in; margin-right: 0.5in;"><table border="0" summary="Warning"><tr><td rowspan="2" align="center" valign="top" width="25"><img alt="[Warning]" src="images/warning.png"></td><th align="left">Warning</th></tr><tr><td align="left" valign="top"><p>Prior to the Spring Cloud Dalston release, if Hystrix was on the classpath Feign would have wrapped
+all methods in a circuit breaker by default.  This default behavior was changed in Spring Cloud Dalston in
+favor for an opt-in approach.</p></td></tr></table></div></div><div class="section"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a name="spring-cloud-feign-hystrix-fallback" href="#spring-cloud-feign-hystrix-fallback"></a>1.5&nbsp;Feign Hystrix Fallbacks</h2></div></div></div><p>Hystrix supports the notion of a fallback: a default code path that is executed when they circuit is open or there is an error. To enable fallbacks for a given <code class="literal">@FeignClient</code> set the <code class="literal">fallback</code> attribute to the class name that implements the fallback. You also need to declare your implementation as a Spring bean.</p><pre class="programlisting"><em><span class="hl-annotation" style="color: gray">@FeignClient(name = "hello", fallback = HystrixClientFallback.class)</span></em>
+<span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">protected</span> <span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">interface</span> HystrixClient {
+    <em><span class="hl-annotation" style="color: gray">@RequestMapping(method = RequestMethod.GET, value = "/hello")</span></em>
+    Hello iFailSometimes();
+}
+
+<span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">static</span> <span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">class</span> HystrixClientFallback <span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">implements</span> HystrixClient {
+    <em><span class="hl-annotation" style="color: gray">@Override</span></em>
+    <span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">public</span> Hello iFailSometimes() {
+        <span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">return</span> <span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">new</span> Hello(<span xmlns:d="http://docbook.org/ns/docbook" class="hl-string">"fallback"</span>);
+    }
+}</pre><p>If one needs access to the cause that made the fallback trigger, one can use the <code class="literal">fallbackFactory</code> attribute inside <code class="literal">@FeignClient</code>.</p><pre class="programlisting"><em><span class="hl-annotation" style="color: gray">@FeignClient(name = "hello", fallbackFactory = HystrixClientFallbackFactory.class)</span></em>
+<span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">protected</span> <span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">interface</span> HystrixClient {
+	<em><span class="hl-annotation" style="color: gray">@RequestMapping(method = RequestMethod.GET, value = "/hello")</span></em>
+	Hello iFailSometimes();
+}
+
+<em><span class="hl-annotation" style="color: gray">@Component</span></em>
+<span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">static</span> <span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">class</span> HystrixClientFallbackFactory <span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">implements</span> FallbackFactory&lt;HystrixClient&gt; {
+	<em><span class="hl-annotation" style="color: gray">@Override</span></em>
+	<span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">public</span> HystrixClient create(Throwable cause) {
+		<span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">return</span> <span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">new</span> HystrixClient() {
+			<em><span class="hl-annotation" style="color: gray">@Override</span></em>
+			<span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">public</span> Hello iFailSometimes() {
+				<span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">return</span> <span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">new</span> Hello(<span xmlns:d="http://docbook.org/ns/docbook" class="hl-string">"fallback; reason was: "</span> + cause.getMessage());
+			}
+		};
+	}
+}</pre><div class="warning" style="margin-left: 0.5in; margin-right: 0.5in;"><table border="0" summary="Warning"><tr><td rowspan="2" align="center" valign="top" width="25"><img alt="[Warning]" src="images/warning.png"></td><th align="left">Warning</th></tr><tr><td align="left" valign="top"><p>There is a limitation with the implementation of fallbacks in Feign and how Hystrix fallbacks work. Fallbacks are currently not supported for methods that return <code class="literal">com.netflix.hystrix.HystrixCommand</code> and <code class="literal">rx.Observable</code>.</p></td></tr></table></div></div><div class="section"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a name="_feign_and_literal_primary_literal" href="#_feign_and_literal_primary_literal"></a>1.6&nbsp;Feign and <code class="literal">@Primary</code></h2></div></div></div><p>When using Feign with Hystrix fallbacks, there are multiple beans in the <code class="literal">ApplicationContext</code> of the same type. This will cause <code class="literal">@Autowired</code> to not work because there isn&#8217;t exactly one bean, or one marked as primary. To work around this, Spring Cloud Netflix marks all Feign instances as <code class="literal">@Primary</code>, so Spring Framework will know which bean to inject. In some cases, this may not be desirable. To turn off this behavior set the <code class="literal">primary</code> attribute of <code class="literal">@FeignClient</code> to false.</p><pre class="programlisting"><em><span class="hl-annotation" style="color: gray">@FeignClient(name = "hello", primary = false)</span></em>
+<span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">public</span> <span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">interface</span> HelloClient {
+	<span xmlns:d="http://docbook.org/ns/docbook" class="hl-comment">// methods here</span>
+}</pre></div><div class="section"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a name="spring-cloud-feign-inheritance" href="#spring-cloud-feign-inheritance"></a>1.7&nbsp;Feign Inheritance Support</h2></div></div></div><p>Feign supports boilerplate apis via single-inheritance interfaces.
+This allows grouping common operations into convenient base interfaces.</p><p><b>UserService.java.&nbsp;</b>
+</p><pre class="programlisting"><span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">public</span> <span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">interface</span> UserService {
+
+    <em><span class="hl-annotation" style="color: gray">@RequestMapping(method = RequestMethod.GET, value ="/users/{id}")</span></em>
+    User getUser(<em><span class="hl-annotation" style="color: gray">@PathVariable("id")</span></em> <span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">long</span> id);
+}</pre><p>
+</p><p><b>UserResource.java.&nbsp;</b>
+</p><pre class="programlisting"><em><span class="hl-annotation" style="color: gray">@RestController</span></em>
+<span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">public</span> <span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">class</span> UserResource <span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">implements</span> UserService {
+
+}</pre><p>
+</p><p><b>UserClient.java.&nbsp;</b>
+</p><pre class="programlisting"><span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">package</span> project.user;
+
+<em><span class="hl-annotation" style="color: gray">@FeignClient("users")</span></em>
+<span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">public</span> <span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">interface</span> UserClient <span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">extends</span> UserService {
+
+}</pre><p>
+</p><div class="note" style="margin-left: 0.5in; margin-right: 0.5in;"><table border="0" summary="Note"><tr><td rowspan="2" align="center" valign="top" width="25"><img alt="[Note]" src="images/note.png"></td><th align="left">Note</th></tr><tr><td align="left" valign="top"><p>It is generally not advisable to share an interface between a
+server and a client. It introduces tight coupling, and also actually
+doesn&#8217;t work with Spring MVC in its current form (method parameter
+mapping is not inherited).</p></td></tr></table></div></div><div class="section"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a name="_feign_request_response_compression" href="#_feign_request_response_compression"></a>1.8&nbsp;Feign request/response compression</h2></div></div></div><p>You may consider enabling the request or response GZIP compression for your
+Feign requests. You can do this by enabling one of the properties:</p><pre class="programlisting">feign.compression.request.enabled=true
+feign.compression.response.enabled=true</pre><p>Feign request compression gives you settings similar to what you may set for your web server:</p><pre class="programlisting">feign.compression.request.enabled=true
+feign.compression.request.mime-types=text/xml,application/xml,application/json
+feign.compression.request.min-request-size=<span class="hl-number">2048</span></pre><p>These properties allow you to be selective about the compressed media types and minimum request threshold length.</p></div><div class="section"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a name="_feign_logging" href="#_feign_logging"></a>1.9&nbsp;Feign logging</h2></div></div></div><p>A logger is created for each Feign client created. By default the name of the logger is the full class name of the interface used to create the Feign client. Feign logging only responds to the <code class="literal">DEBUG</code> level.</p><p><b>application.yml.&nbsp;</b>
+</p><pre class="programlisting"><span xmlns:d="http://docbook.org/ns/docbook" class="hl-attribute">logging.level.project.user.UserClient</span>: DEBUG</pre><p>
+</p><p>The <code class="literal">Logger.Level</code> object that you may configure per client, tells Feign how much to log. Choices are:</p><div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "><li class="listitem"><code class="literal">NONE</code>, No logging (<span class="strong"><strong>DEFAULT</strong></span>).</li><li class="listitem"><code class="literal">BASIC</code>, Log only the request method and URL and the response status code and execution time.</li><li class="listitem"><code class="literal">HEADERS</code>, Log the basic information along with request and response headers.</li><li class="listitem"><code class="literal">FULL</code>, Log the headers, body, and metadata for both requests and responses.</li></ul></div><p>For example, the following would set the <code class="literal">Logger.Level</code> to <code class="literal">FULL</code>:</p><pre class="programlisting"><em><span class="hl-annotation" style="color: gray">@Configuration</span></em>
+<span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">public</span> <span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">class</span> FooConfiguration {
+    <em><span class="hl-annotation" style="color: gray">@Bean</span></em>
+    Logger.Level feignLoggerLevel() {
+        <span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">return</span> Logger.Level.FULL;
+    }
+}</pre></div></div></div></body></html>
--- a/2.0.x/spring-cloud-openfeign.html
+++ b/2.0.x/spring-cloud-openfeign.html
@ -0,0 +1,117 @@
				@@ -0,0 +1,117 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+<meta charset="UTF-8">
+<!--[if IE]><meta http-equiv="X-UA-Compatible" content="IE=edge"><![endif]-->
+<meta name="viewport" content="width=device-width, initial-scale=1.0">
+<meta name="generator" content="Asciidoctor 1.5.5">
+<title>spring-cloud-openfeign</title>
+<link rel="stylesheet" href="css/manual-singlepage.css">
+<style>
+.hidden {
+	display: none;
+}
+
+.switch {
+	border-width: 1px 1px 0 1px;
+	border-style: solid;
+	border-color: #7a2518;
+	display: inline-block;
+}
+
+.switch--item {
+	padding: 10px;
+	background-color: #ffffff;
+	color: #7a2518;
+	display: inline-block;
+	cursor: pointer;
+}
+
+.switch--item.selected {
+	background-color: #7a2519;
+	color: #ffffff;
+}
+</style>
+<script src="http://cdnjs.cloudflare.com/ajax/libs/zepto/1.2.0/zepto.min.js"></script>
+<script type="text/javascript">
+function addBlockSwitches() {
+	$('.primary').each(function() {
+		primary = $(this);
+		createSwitchItem(primary, createBlockSwitch(primary)).item.addClass("selected");
+		primary.children('.title').remove();
+	});
+	$('.secondary').each(function(idx, node) {
+		secondary = $(node);
+		primary = findPrimary(secondary);
+		switchItem = createSwitchItem(secondary, primary.children('.switch'));
+		switchItem.content.addClass('hidden');
+		findPrimary(secondary).append(switchItem.content);
+		secondary.remove();
+	});
+}
+
+function createBlockSwitch(primary) {
+	blockSwitch = $('<div class="switch"></div>');
+	primary.prepend(blockSwitch);
+	return blockSwitch;
+}
+
+function findPrimary(secondary) {
+	candidate = secondary.prev();
+	while (!candidate.is('.primary')) {
+		candidate = candidate.prev();
+	}
+	return candidate;
+}
+
+function createSwitchItem(block, blockSwitch) {
+	blockName = block.children('.title').text();
+	content = block.children('.content').first().append(block.next('.colist'));
+	item = $('<div class="switch--item">' + blockName + '</div>');
+	item.on('click', '', content, function(e) {
+		$(this).addClass('selected');
+		$(this).siblings().removeClass('selected');
+		e.data.siblings('.content').addClass('hidden');
+		e.data.removeClass('hidden');
+	});
+	blockSwitch.append(item);
+	return {'item': item, 'content': content};
+}
+
+$(addBlockSwitches);
+</script>
+</head>
+
+<body class="article">
+<div id="header">
+<h1>spring-cloud-openfeign</h1>
+</div>
+<div id="content">
+<div id="preamble">
+<div class="sectionbody">
+<div class="paragraph">
+<p>2.0.5.BUILD-SNAPSHOT</p>
+</div>
+</div>
+</div>
+<div class="sect1">
+<h2 id="_pick_the_documentation_option">Pick The Documentation Option</h2>
+<div class="sectionbody">
+<div class="ulist">
+<ul>
+<li>
+<p><a href="single/spring-cloud-openfeign.html">Single HTML</a></p>
+</li>
+<li>
+<p><a href="multi/multi_spring-cloud-openfeign.html">Multi HTML</a></p>
+</li>
+</ul>
+</div>
+</div>
+</div>
+</div>
+<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/prettify/r298/prettify.min.css">
+<script src="https://cdnjs.cloudflare.com/ajax/libs/prettify/r298/prettify.min.js"></script>
+<script>prettyPrint()</script>
+</body>
+</html>
--- a/2.0.x/spring-cloud-openfeign.xml
+++ b/2.0.x/spring-cloud-openfeign.xml
@ -0,0 +1,387 @@
				@@ -0,0 +1,387 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<?asciidoc-toc?>
+<?asciidoc-numbered?>
+<book xmlns="http://docbook.org/ns/docbook" xmlns:xl="http://www.w3.org/1999/xlink" version="5.0" xml:lang="en">
+<info>
+<title>Spring Cloud OpenFeign</title>
+<date>2019-09-16</date>
+</info>
+<preface>
+<title></title>
+<simpara><emphasis role="strong">2.0.5.BUILD-SNAPSHOT</emphasis></simpara>
+<simpara>This project provides OpenFeign integrations for Spring Boot apps through autoconfiguration
+and binding to the Spring Environment and other Spring programming model idioms.</simpara>
+</preface>
+<chapter xml:id="spring-cloud-feign">
+<title>Declarative REST Client: Feign</title>
+<simpara><link xl:href="https://github.com/Netflix/feign">Feign</link> is a declarative web service client.  It makes writing web service clients easier.  To use Feign create an interface and annotate it.  It has pluggable annotation support including Feign annotations and JAX-RS annotations. Feign also supports pluggable encoders and decoders.  Spring Cloud adds support for Spring MVC annotations and for using the same <literal>HttpMessageConverters</literal> used by default in Spring Web.  Spring Cloud integrates Ribbon and Eureka to provide a load balanced http client when using Feign.</simpara>
+<section xml:id="netflix-feign-starter">
+<title>How to Include Feign</title>
+<simpara>To include Feign in your project use the starter with group <literal>org.springframework.cloud</literal>
+and artifact id <literal>spring-cloud-starter-openfeign</literal>. See the <link xl:href="https://projects.spring.io/spring-cloud/">Spring Cloud Project page</link>
+for details on setting up your build system with the current Spring Cloud Release Train.</simpara>
+<simpara>Example spring boot app</simpara>
+<programlisting language="java" linenumbering="unnumbered">@SpringBootApplication
+@EnableFeignClients
+public class Application {
+
+    public static void main(String[] args) {
+        SpringApplication.run(Application.class, args);
+    }
+
+}</programlisting>
+<formalpara>
+<title>StoreClient.java</title>
+<para>
+<programlisting language="java" linenumbering="unnumbered">@FeignClient("stores")
+public interface StoreClient {
+    @RequestMapping(method = RequestMethod.GET, value = "/stores")
+    List&lt;Store&gt; getStores();
+
+    @RequestMapping(method = RequestMethod.POST, value = "/stores/{storeId}", consumes = "application/json")
+    Store update(@PathVariable("storeId") Long storeId, Store store);
+}</programlisting>
+</para>
+</formalpara>
+<simpara>In the <literal>@FeignClient</literal> annotation the String value ("stores" above) is
+an arbitrary client name, which is used to create a Ribbon load
+balancer (see <link linkend="spring-cloud-ribbon">below for details of Ribbon
+support</link>). You can also specify a URL using the <literal>url</literal> attribute
+(absolute value or just a hostname). The name of the bean in the
+application context is the fully qualified name of the interface.
+To specify your own alias value you can use the <literal>qualifier</literal> value
+of the <literal>@FeignClient</literal> annotation.</simpara>
+<simpara>The Ribbon client above will want to discover the physical addresses
+for the "stores" service. If your application is a Eureka client then
+it will resolve the service in the Eureka service registry. If you
+don&#8217;t want to use Eureka, you can simply configure a list of servers
+in your external configuration (see
+<link linkend="spring-cloud-ribbon-without-eureka">above for example</link>).</simpara>
+</section>
+<section xml:id="spring-cloud-feign-overriding-defaults">
+<title>Overriding Feign Defaults</title>
+<simpara>A central concept in Spring Cloud&#8217;s Feign support is that of the named client. Each feign client is part of an ensemble of components that work together to contact a remote server on demand, and the ensemble has a name that you give it as an application developer using the <literal>@FeignClient</literal> annotation. Spring Cloud creates a new ensemble as an
+<literal>ApplicationContext</literal> on demand for each named client using <literal>FeignClientsConfiguration</literal>. This contains (amongst other things) an <literal>feign.Decoder</literal>, a <literal>feign.Encoder</literal>, and a <literal>feign.Contract</literal>.</simpara>
+<simpara>Spring Cloud lets you take full control of the feign client by declaring additional configuration (on top of the <literal>FeignClientsConfiguration</literal>) using <literal>@FeignClient</literal>. Example:</simpara>
+<programlisting language="java" linenumbering="unnumbered">@FeignClient(name = "stores", configuration = FooConfiguration.class)
+public interface StoreClient {
+    //..
+}</programlisting>
+<simpara>In this case the client is composed from the components already in <literal>FeignClientsConfiguration</literal> together with any in <literal>FooConfiguration</literal> (where the latter will override the former).</simpara>
+<note>
+<simpara><literal>FooConfiguration</literal> does not need to be annotated with <literal>@Configuration</literal>. However, if it is, then take care to exclude it from any <literal>@ComponentScan</literal> that would otherwise include this configuration as it will become the default source for <literal>feign.Decoder</literal>, <literal>feign.Encoder</literal>, <literal>feign.Contract</literal>, etc., when specified. This can be avoided by putting it in a separate, non-overlapping package from any <literal>@ComponentScan</literal> or <literal>@SpringBootApplication</literal>, or it can be explicitly excluded in <literal>@ComponentScan</literal>.</simpara>
+</note>
+<note>
+<simpara>The <literal>serviceId</literal> attribute is now deprecated in favor of the <literal>name</literal> attribute.</simpara>
+</note>
+<warning>
+<simpara>Previously, using the <literal>url</literal> attribute, did not require the <literal>name</literal> attribute. Using <literal>name</literal> is now required.</simpara>
+</warning>
+<simpara>Placeholders are supported in the <literal>name</literal> and <literal>url</literal> attributes.</simpara>
+<programlisting language="java" linenumbering="unnumbered">@FeignClient(name = "${feign.name}", url = "${feign.url}")
+public interface StoreClient {
+    //..
+}</programlisting>
+<simpara>Spring Cloud Netflix provides the following beans by default for feign (<literal>BeanType</literal> beanName: <literal>ClassName</literal>):</simpara>
+<itemizedlist>
+<listitem>
+<simpara><literal>Decoder</literal> feignDecoder: <literal>ResponseEntityDecoder</literal> (which wraps a <literal>SpringDecoder</literal>)</simpara>
+</listitem>
+<listitem>
+<simpara><literal>Encoder</literal> feignEncoder: <literal>SpringEncoder</literal></simpara>
+</listitem>
+<listitem>
+<simpara><literal>Logger</literal> feignLogger: <literal>Slf4jLogger</literal></simpara>
+</listitem>
+<listitem>
+<simpara><literal>Contract</literal> feignContract: <literal>SpringMvcContract</literal></simpara>
+</listitem>
+<listitem>
+<simpara><literal>Feign.Builder</literal> feignBuilder: <literal>HystrixFeign.Builder</literal></simpara>
+</listitem>
+<listitem>
+<simpara><literal>Client</literal> feignClient: if Ribbon is enabled it is a <literal>LoadBalancerFeignClient</literal>, otherwise the default feign client is used.</simpara>
+</listitem>
+</itemizedlist>
+<simpara>The OkHttpClient and ApacheHttpClient feign clients can be used by setting <literal>feign.okhttp.enabled</literal> or <literal>feign.httpclient.enabled</literal> to <literal>true</literal>, respectively, and having them on the classpath.
+You can customize the HTTP client used by providing a bean of either <literal>ClosableHttpClient</literal> when using Apache or <literal>OkHttpClient</literal> when using OK HTTP.</simpara>
+<simpara>Spring Cloud Netflix <emphasis>does not</emphasis> provide the following beans by default for feign, but still looks up beans of these types from the application context to create the feign client:</simpara>
+<itemizedlist>
+<listitem>
+<simpara><literal>Logger.Level</literal></simpara>
+</listitem>
+<listitem>
+<simpara><literal>Retryer</literal></simpara>
+</listitem>
+<listitem>
+<simpara><literal>ErrorDecoder</literal></simpara>
+</listitem>
+<listitem>
+<simpara><literal>Request.Options</literal></simpara>
+</listitem>
+<listitem>
+<simpara><literal>Collection&lt;RequestInterceptor&gt;</literal></simpara>
+</listitem>
+<listitem>
+<simpara><literal>SetterFactory</literal></simpara>
+</listitem>
+</itemizedlist>
+<simpara>Creating a bean of one of those type and placing it in a <literal>@FeignClient</literal> configuration (such as <literal>FooConfiguration</literal> above) allows you to override each one of the beans described.  Example:</simpara>
+<programlisting language="java" linenumbering="unnumbered">@Configuration
+public class FooConfiguration {
+    @Bean
+    public Contract feignContract() {
+        return new feign.Contract.Default();
+    }
+
+    @Bean
+    public BasicAuthRequestInterceptor basicAuthRequestInterceptor() {
+        return new BasicAuthRequestInterceptor("user", "password");
+    }
+}</programlisting>
+<simpara>This replaces the <literal>SpringMvcContract</literal> with <literal>feign.Contract.Default</literal> and adds a <literal>RequestInterceptor</literal> to the collection of <literal>RequestInterceptor</literal>.</simpara>
+<simpara><literal>@FeignClient</literal> also can be configured using configuration properties.</simpara>
+<simpara>application.yml</simpara>
+<programlisting language="yaml" linenumbering="unnumbered">feign:
+  client:
+    config:
+      feignName:
+        connectTimeout: 5000
+        readTimeout: 5000
+        loggerLevel: full
+        errorDecoder: com.example.SimpleErrorDecoder
+        retryer: com.example.SimpleRetryer
+        requestInterceptors:
+          - com.example.FooRequestInterceptor
+          - com.example.BarRequestInterceptor
+        decode404: false
+        encoder: com.example.SimpleEncoder
+        decoder: com.example.SimpleDecoder
+        contract: com.example.SimpleContract</programlisting>
+<simpara>Default configurations can be specified in the <literal>@EnableFeignClients</literal> attribute <literal>defaultConfiguration</literal> in a similar manner as described above. The difference is that this configuration will apply to <emphasis>all</emphasis> feign clients.</simpara>
+<simpara>If you prefer using configuration properties to configured all <literal>@FeignClient</literal>, you can create configuration properties with <literal>default</literal> feign name.</simpara>
+<simpara>application.yml</simpara>
+<programlisting language="yaml" linenumbering="unnumbered">feign:
+  client:
+    config:
+      default:
+        connectTimeout: 5000
+        readTimeout: 5000
+        loggerLevel: basic</programlisting>
+<simpara>If we create both <literal>@Configuration</literal> bean and configuration properties, configuration properties will win.
+It will override <literal>@Configuration</literal> values. But if you want to change the priority to <literal>@Configuration</literal>,
+you can change <literal>feign.client.default-to-properties</literal> to <literal>false</literal>.</simpara>
+<note>
+<simpara>If you need to use <literal>ThreadLocal</literal> bound variables in your <literal>RequestInterceptor`s you will need to either set the
+thread isolation strategy for Hystrix to `SEMAPHORE</literal> or disable Hystrix in Feign.</simpara>
+</note>
+<simpara>application.yml</simpara>
+<programlisting language="yaml" linenumbering="unnumbered"># To disable Hystrix in Feign
+feign:
+  hystrix:
+    enabled: false
+
+# To set thread isolation to SEMAPHORE
+hystrix:
+  command:
+    default:
+      execution:
+        isolation:
+          strategy: SEMAPHORE</programlisting>
+</section>
+<section xml:id="_creating_feign_clients_manually">
+<title>Creating Feign Clients Manually</title>
+<simpara>In some cases it might be necessary to customize your Feign Clients in a way that is not
+possible using the methods above.  In this case you can create Clients using the
+<link xl:href="https://github.com/OpenFeign/feign/#basics">Feign Builder API</link>. Below is an example
+which creates two Feign Clients with the same interface but configures each one with
+a separate request interceptor.</simpara>
+<programlisting language="java" linenumbering="unnumbered">@Import(FeignClientsConfiguration.class)
+class FooController {
+
+	private FooClient fooClient;
+
+	private FooClient adminClient;
+
+    	@Autowired
+	public FooController(Decoder decoder, Encoder encoder, Client client, Contract contract) {
+		this.fooClient = Feign.builder().client(client)
+				.encoder(encoder)
+				.decoder(decoder)
+				.contract(contract)
+				.requestInterceptor(new BasicAuthRequestInterceptor("user", "user"))
+				.target(FooClient.class, "http://PROD-SVC");
+
+		this.adminClient = Feign.builder().client(client)
+				.encoder(encoder)
+				.decoder(decoder)
+				.contract(contract)
+				.requestInterceptor(new BasicAuthRequestInterceptor("admin", "admin"))
+				.target(FooClient.class, "http://PROD-SVC");
+    }
+}</programlisting>
+<note>
+<simpara>In the above example <literal>FeignClientsConfiguration.class</literal> is the default configuration
+provided by Spring Cloud Netflix.</simpara>
+</note>
+<note>
+<simpara><literal>PROD-SVC</literal> is the name of the service the Clients will be making requests to.</simpara>
+</note>
+<note>
+<simpara>The Feign <literal>Contract</literal> object defines what annotations and values are valid on interfaces. The
+autowired <literal>Contract</literal> bean provides supports for SpringMVC annotations, instead of
+the default Feign native annotations.</simpara>
+</note>
+</section>
+<section xml:id="spring-cloud-feign-hystrix">
+<title>Feign Hystrix Support</title>
+<simpara>If Hystrix is on the classpath and <literal>feign.hystrix.enabled=true</literal>, Feign will wrap all methods with a circuit breaker. Returning a <literal>com.netflix.hystrix.HystrixCommand</literal> is also available. This lets you use reactive patterns (with a call to <literal>.toObservable()</literal> or <literal>.observe()</literal> or asynchronous use (with a call to <literal>.queue()</literal>).</simpara>
+<simpara>To disable Hystrix support on a per-client basis create a vanilla <literal>Feign.Builder</literal> with the "prototype" scope, e.g.:</simpara>
+<programlisting language="java" linenumbering="unnumbered">@Configuration
+public class FooConfiguration {
+    	@Bean
+	@Scope("prototype")
+	public Feign.Builder feignBuilder() {
+		return Feign.builder();
+	}
+}</programlisting>
+<warning>
+<simpara>Prior to the Spring Cloud Dalston release, if Hystrix was on the classpath Feign would have wrapped
+all methods in a circuit breaker by default.  This default behavior was changed in Spring Cloud Dalston in
+favor for an opt-in approach.</simpara>
+</warning>
+</section>
+<section xml:id="spring-cloud-feign-hystrix-fallback">
+<title>Feign Hystrix Fallbacks</title>
+<simpara>Hystrix supports the notion of a fallback: a default code path that is executed when they circuit is open or there is an error. To enable fallbacks for a given <literal>@FeignClient</literal> set the <literal>fallback</literal> attribute to the class name that implements the fallback. You also need to declare your implementation as a Spring bean.</simpara>
+<programlisting language="java" linenumbering="unnumbered">@FeignClient(name = "hello", fallback = HystrixClientFallback.class)
+protected interface HystrixClient {
+    @RequestMapping(method = RequestMethod.GET, value = "/hello")
+    Hello iFailSometimes();
+}
+
+static class HystrixClientFallback implements HystrixClient {
+    @Override
+    public Hello iFailSometimes() {
+        return new Hello("fallback");
+    }
+}</programlisting>
+<simpara>If one needs access to the cause that made the fallback trigger, one can use the <literal>fallbackFactory</literal> attribute inside <literal>@FeignClient</literal>.</simpara>
+<programlisting language="java" linenumbering="unnumbered">@FeignClient(name = "hello", fallbackFactory = HystrixClientFallbackFactory.class)
+protected interface HystrixClient {
+	@RequestMapping(method = RequestMethod.GET, value = "/hello")
+	Hello iFailSometimes();
+}
+
+@Component
+static class HystrixClientFallbackFactory implements FallbackFactory&lt;HystrixClient&gt; {
+	@Override
+	public HystrixClient create(Throwable cause) {
+		return new HystrixClient() {
+			@Override
+			public Hello iFailSometimes() {
+				return new Hello("fallback; reason was: " + cause.getMessage());
+			}
+		};
+	}
+}</programlisting>
+<warning>
+<simpara>There is a limitation with the implementation of fallbacks in Feign and how Hystrix fallbacks work. Fallbacks are currently not supported for methods that return <literal>com.netflix.hystrix.HystrixCommand</literal> and <literal>rx.Observable</literal>.</simpara>
+</warning>
+</section>
+<section xml:id="_feign_and_literal_primary_literal">
+<title>Feign and <literal>@Primary</literal></title>
+<simpara>When using Feign with Hystrix fallbacks, there are multiple beans in the <literal>ApplicationContext</literal> of the same type. This will cause <literal>@Autowired</literal> to not work because there isn&#8217;t exactly one bean, or one marked as primary. To work around this, Spring Cloud Netflix marks all Feign instances as <literal>@Primary</literal>, so Spring Framework will know which bean to inject. In some cases, this may not be desirable. To turn off this behavior set the <literal>primary</literal> attribute of <literal>@FeignClient</literal> to false.</simpara>
+<programlisting language="java" linenumbering="unnumbered">@FeignClient(name = "hello", primary = false)
+public interface HelloClient {
+	// methods here
+}</programlisting>
+</section>
+<section xml:id="spring-cloud-feign-inheritance">
+<title>Feign Inheritance Support</title>
+<simpara>Feign supports boilerplate apis via single-inheritance interfaces.
+This allows grouping common operations into convenient base interfaces.</simpara>
+<formalpara>
+<title>UserService.java</title>
+<para>
+<programlisting language="java" linenumbering="unnumbered">public interface UserService {
+
+    @RequestMapping(method = RequestMethod.GET, value ="/users/{id}")
+    User getUser(@PathVariable("id") long id);
+}</programlisting>
+</para>
+</formalpara>
+<formalpara>
+<title>UserResource.java</title>
+<para>
+<programlisting language="java" linenumbering="unnumbered">@RestController
+public class UserResource implements UserService {
+
+}</programlisting>
+</para>
+</formalpara>
+<formalpara>
+<title>UserClient.java</title>
+<para>
+<programlisting language="java" linenumbering="unnumbered">package project.user;
+
+@FeignClient("users")
+public interface UserClient extends UserService {
+
+}</programlisting>
+</para>
+</formalpara>
+<note>
+<simpara>It is generally not advisable to share an interface between a
+server and a client. It introduces tight coupling, and also actually
+doesn&#8217;t work with Spring MVC in its current form (method parameter
+mapping is not inherited).</simpara>
+</note>
+</section>
+<section xml:id="_feign_request_response_compression">
+<title>Feign request/response compression</title>
+<simpara>You may consider enabling the request or response GZIP compression for your
+Feign requests. You can do this by enabling one of the properties:</simpara>
+<programlisting language="java" linenumbering="unnumbered">feign.compression.request.enabled=true
+feign.compression.response.enabled=true</programlisting>
+<simpara>Feign request compression gives you settings similar to what you may set for your web server:</simpara>
+<programlisting language="java" linenumbering="unnumbered">feign.compression.request.enabled=true
+feign.compression.request.mime-types=text/xml,application/xml,application/json
+feign.compression.request.min-request-size=2048</programlisting>
+<simpara>These properties allow you to be selective about the compressed media types and minimum request threshold length.</simpara>
+</section>
+<section xml:id="_feign_logging">
+<title>Feign logging</title>
+<simpara>A logger is created for each Feign client created. By default the name of the logger is the full class name of the interface used to create the Feign client. Feign logging only responds to the <literal>DEBUG</literal> level.</simpara>
+<formalpara>
+<title>application.yml</title>
+<para>
+<programlisting language="yaml" linenumbering="unnumbered">logging.level.project.user.UserClient: DEBUG</programlisting>
+</para>
+</formalpara>
+<simpara>The <literal>Logger.Level</literal> object that you may configure per client, tells Feign how much to log. Choices are:</simpara>
+<itemizedlist>
+<listitem>
+<simpara><literal>NONE</literal>, No logging (<emphasis role="strong">DEFAULT</emphasis>).</simpara>
+</listitem>
+<listitem>
+<simpara><literal>BASIC</literal>, Log only the request method and URL and the response status code and execution time.</simpara>
+</listitem>
+<listitem>
+<simpara><literal>HEADERS</literal>, Log the basic information along with request and response headers.</simpara>
+</listitem>
+<listitem>
+<simpara><literal>FULL</literal>, Log the headers, body, and metadata for both requests and responses.</simpara>
+</listitem>
+</itemizedlist>
+<simpara>For example, the following would set the <literal>Logger.Level</literal> to <literal>FULL</literal>:</simpara>
+<programlisting language="java" linenumbering="unnumbered">@Configuration
+public class FooConfiguration {
+    @Bean
+    Logger.Level feignLoggerLevel() {
+        return Logger.Level.FULL;
+    }
+}</programlisting>
+</section>
+</chapter>
+</book>
--- a/2.1.x/css/highlight.css
+++ b/2.1.x/css/highlight.css
@ -0,0 +1,35 @@
				@@ -0,0 +1,35 @@
+/* 
+   code highlight CSS resemblign the Eclipse IDE default color schema
+   @author Costin Leau
+*/
+
+.hl-keyword {
+    color: #7F0055;
+    font-weight: bold;
+}
+
+.hl-comment {
+    color: #3F5F5F;
+    font-style: italic;
+}
+
+.hl-multiline-comment {
+    color: #3F5FBF;
+    font-style: italic;
+}
+
+.hl-tag {
+    color: #3F7F7F;
+}
+
+.hl-attribute {
+    color: #7F007F;
+}
+
+.hl-value {
+    color: #2A00FF;
+}
+
+.hl-string {
+    color: #2A00FF;
+}
--- a/2.1.x/css/manual-multipage.css
+++ b/2.1.x/css/manual-multipage.css
@ -0,0 +1,9 @@
				@@ -0,0 +1,9 @@
+@IMPORT url("manual.css");
+
+body.firstpage {
+    background: url("../images/background.png") no-repeat center top;
+}
+
+div.part h1 {
+    border-top: none;
+}
--- a/2.1.x/css/manual-singlepage.css
+++ b/2.1.x/css/manual-singlepage.css
@ -0,0 +1,6 @@
				@@ -0,0 +1,6 @@
+@IMPORT url("manual.css");
+
+body {
+    background: url("../images/background.png") no-repeat center top;
+}
+
--- a/2.1.x/css/manual.css
+++ b/2.1.x/css/manual.css
@ -0,0 +1,342 @@
				@@ -0,0 +1,342 @@
+@IMPORT url("highlight.css");
+
+html {
+    padding: 0pt;
+    margin: 0pt;
+}
+
+body {
+    color: #333333;
+    margin: 15px 30px;
+    font-family: Helvetica, Arial, Freesans, Clean, Sans-serif;
+    line-height: 1.6;
+    -webkit-font-smoothing: antialiased;
+}
+
+code {
+    font-size: 16px;
+    font-family: Consolas, "Liberation Mono", Courier, monospace;
+}
+
+:not(a) > code {
+    color: #6D180B;
+}
+
+:not(pre) > code {
+    background-color: #F2F2F2;
+    border: 1px solid #CCCCCC;
+    border-radius: 4px;
+    padding: 1px 3px 0;
+    text-shadow: none;
+    white-space: nowrap;
+}
+
+body > *:first-child {
+    margin-top: 0 !important;
+}
+
+div {
+    margin: 0pt;
+}
+
+hr {
+    border: 1px solid #CCCCCC;
+    background: #CCCCCC;
+}
+
+h1, h2, h3, h4, h5, h6 {
+    color: #000000;
+    cursor: text;
+    font-weight: bold;
+    margin: 30px 0 10px;
+    padding: 0;
+}
+
+h1, h2, h3 {
+    margin: 40px 0 10px;
+}
+
+h1 {
+    margin: 70px 0 30px;
+    padding-top: 20px;
+}
+
+div.part h1 {
+    border-top: 1px dotted #CCCCCC;
+}
+
+h1, h1 code {
+    font-size: 32px;
+}
+
+h2, h2 code {
+    font-size: 24px;
+}
+
+h3, h3 code {
+    font-size: 20px;
+}
+
+h4, h1 code, h5, h5 code, h6, h6 code {
+    font-size: 18px;
+}
+
+div.book, div.chapter, div.appendix, div.part, div.preface {
+    min-width: 300px;
+    max-width: 1200px;
+    margin: 0 auto;
+}
+
+p.releaseinfo {
+    font-weight: bold;
+    margin-bottom: 40px;
+    margin-top: 40px;
+}
+
+div.authorgroup {
+    line-height: 1;
+}
+
+p.copyright {
+    line-height: 1;
+    margin-bottom: -5px;
+}
+
+.legalnotice p {
+    font-style: italic;
+    font-size: 14px;
+    line-height: 1;
+}
+
+div.titlepage + p, div.titlepage + p {
+    margin-top: 0;
+}
+
+pre {
+    line-height: 1.0;
+    color: black;
+}
+
+a {
+    color: #4183C4;
+    text-decoration: none;
+}
+
+p {
+    margin: 15px 0;
+    text-align: left;
+}
+
+ul, ol {
+    padding-left: 30px;
+}
+
+li p {
+    margin: 0;
+}
+
+div.table {
+    margin: 1em;
+    padding: 0.5em;
+    text-align: center;
+}
+
+div.table table, div.informaltable table {
+    display: table;
+    width: 100%;
+}
+
+div.table td {
+    padding-left: 7px;
+    padding-right: 7px;
+}
+
+.sidebar {
+    line-height: 1.4;
+    padding: 0 20px;
+    background-color: #F8F8F8;
+    border: 1px solid #CCCCCC;
+    border-radius: 3px 3px 3px 3px;
+}
+
+.sidebar p.title {
+    color: #6D180B;
+}
+
+pre.programlisting, pre.screen {
+    font-size: 15px;
+    padding: 6px 10px;
+    background-color: #F8F8F8;
+    border: 1px solid #CCCCCC;
+    border-radius: 3px 3px 3px 3px;
+    clear: both;
+    overflow: auto;
+    line-height: 1.4;
+    font-family: Consolas, "Liberation Mono", Courier, monospace;
+}
+
+table {
+    border-collapse: collapse;
+    border-spacing: 0;
+    border: 1px solid #DDDDDD !important;
+    border-radius: 4px !important;
+    border-collapse: separate !important;
+    line-height: 1.6;
+}
+
+table thead {
+    background: #F5F5F5;
+}
+
+table tr {
+    border: none;
+    border-bottom: none;
+}
+
+table th {
+    font-weight: bold;
+}
+
+table th, table td {
+    border: none !important;
+    padding: 6px 13px;
+}
+
+table tr:nth-child(2n) {
+    background-color: #F8F8F8;
+}
+
+td p {
+    margin: 0 0 15px 0;
+}
+
+div.table-contents td p {
+    margin: 0;
+}
+
+div.important *, div.note *, div.tip *, div.warning *, div.navheader *, div.navfooter *, div.calloutlist * {
+    border: none !important;
+    background: none !important;
+    margin: 0;
+}
+
+div.important p, div.note p, div.tip p, div.warning p {
+    color: #6F6F6F;
+    line-height: 1.6;
+}
+
+div.important code, div.note code, div.tip code, div.warning code {
+    background-color: #F2F2F2 !important;
+    border: 1px solid #CCCCCC !important;
+    border-radius: 4px !important;
+    padding: 1px 3px 0 !important;
+    text-shadow: none !important;
+    white-space: nowrap !important;
+}
+
+.note th, .tip th, .warning th {
+    display: none;
+}
+
+.note tr:first-child td, .tip tr:first-child td, .warning tr:first-child td {
+    border-right: 1px solid #CCCCCC !important;
+    padding-top: 10px;
+}
+
+div.calloutlist p, div.calloutlist td {
+    padding: 0;
+    margin: 0;
+}
+
+div.calloutlist > table > tbody > tr > td:first-child {
+    padding-left: 10px;
+    width: 30px !important;
+}
+
+div.important, div.note, div.tip, div.warning {
+    margin-left: 0px !important;
+    margin-right: 20px !important;
+    margin-top: 20px;
+    margin-bottom: 20px;
+    padding-top: 10px;
+    padding-bottom: 10px;
+}
+
+div.toc {
+    line-height: 1.2;
+}
+
+dl, dt {
+    margin-top: 1px;
+    margin-bottom: 0;
+}
+
+div.toc > dl > dt {
+    font-size: 32px;
+    font-weight: bold;
+    margin: 30px 0 10px 0;
+    display: block;
+}
+
+div.toc > dl > dd > dl > dt {
+    font-size: 24px;
+    font-weight: bold;
+    margin: 20px 0 10px 0;
+    display: block;
+}
+
+div.toc > dl > dd > dl > dd > dl > dt {
+    font-weight: bold;
+    font-size: 20px;
+    margin: 10px 0 0 0;
+}
+
+tbody.footnotes * {
+    border: none !important;
+}
+
+div.footnote p {
+    margin: 0;
+    line-height: 1;
+}
+
+div.footnote p sup {
+    margin-right: 6px;
+    vertical-align: middle;
+}
+
+div.navheader {
+    border-bottom: 1px solid #CCCCCC;
+}
+
+div.navfooter {
+    border-top: 1px solid #CCCCCC;
+}
+
+.title {
+    margin-left: -1em;
+    padding-left: 1em;
+}
+
+.title > a {
+    position: absolute;
+    visibility: hidden;
+    display: block;
+    font-size: 0.85em;
+    margin-top: 0.05em;
+    margin-left: -1em;
+    vertical-align: text-top;
+    color: black;
+}
+
+.title > a:before {
+    content: "\00A7";
+}
+
+.title:hover > a, .title > a:hover, .title:hover > a:hover {
+    visibility: visible;
+}
+
+.title:focus > a, .title > a:focus, .title:focus > a:focus {
+    outline: 0;
+}
--- a/2.1.x/ghpages.sh
+++ b/2.1.x/ghpages.sh
@ -0,0 +1,330 @@
				@@ -0,0 +1,330 @@
+#!/bin/bash -x
+
+set -e
+
+# Set default props like MAVEN_PATH, ROOT_FOLDER etc.
+function set_default_props() {
+    # The script should be executed from the root folder
+    ROOT_FOLDER=`pwd`
+    echo "Current folder is ${ROOT_FOLDER}"
+
+    if [[ ! -e "${ROOT_FOLDER}/.git" ]]; then
+        echo "You're not in the root folder of the project!"
+        exit 1
+    fi
+
+    # Prop that will let commit the changes
+    COMMIT_CHANGES="no"
+    MAVEN_PATH=${MAVEN_PATH:-}
+    echo "Path to Maven is [${MAVEN_PATH}]"
+    REPO_NAME=${PWD##*/}
+    echo "Repo name is [${REPO_NAME}]"
+    SPRING_CLOUD_STATIC_REPO=${SPRING_CLOUD_STATIC_REPO:-git@github.com:spring-cloud/spring-cloud-static.git}
+    echo "Spring Cloud Static repo is [${SPRING_CLOUD_STATIC_REPO}"
+}
+
+# Check if gh-pages exists and docs have been built
+function check_if_anything_to_sync() {
+    git remote set-url --push origin `git config remote.origin.url | sed -e 's/^git:/https:/'`
+
+    if ! (git remote set-branches --add origin gh-pages && git fetch -q); then
+        echo "No gh-pages, so not syncing"
+        exit 0
+    fi
+
+    if ! [ -d docs/target/generated-docs ] && ! [ "${BUILD}" == "yes" ]; then
+        echo "No gh-pages sources in docs/target/generated-docs, so not syncing"
+        exit 0
+    fi
+}
+
+function retrieve_current_branch() {
+    # Code getting the name of the current branch. For master we want to publish as we did until now
+    # http://stackoverflow.com/questions/1593051/how-to-programmatically-determine-the-current-checked-out-git-branch
+    # If there is a branch already passed will reuse it - otherwise will try to find it
+    CURRENT_BRANCH=${BRANCH}
+    if [[ -z "${CURRENT_BRANCH}" ]] ; then
+      CURRENT_BRANCH=$(git symbolic-ref -q HEAD)
+      CURRENT_BRANCH=${CURRENT_BRANCH##refs/heads/}
+      CURRENT_BRANCH=${CURRENT_BRANCH:-HEAD}
+    fi
+    echo "Current branch is [${CURRENT_BRANCH}]"
+    git checkout ${CURRENT_BRANCH} || echo "Failed to check the branch... continuing with the script"
+}
+
+# Switches to the provided value of the release version. We always prefix it with `v`
+function switch_to_tag() {
+    git checkout v${VERSION}
+}
+
+# Build the docs if switch is on
+function build_docs_if_applicable() {
+    if [[ "${BUILD}" == "yes" ]] ; then
+        ./mvnw clean install -P docs -pl docs -DskipTests
+    fi
+}
+
+# Get the name of the `docs.main` property
+# Get whitelisted branches - assumes that a `docs` module is available under `docs` profile
+function retrieve_doc_properties() {
+    MAIN_ADOC_VALUE=$("${MAVEN_PATH}"mvn -q \
+        -Dexec.executable="echo" \
+        -Dexec.args='${docs.main}' \
+        --non-recursive \
+        org.codehaus.mojo:exec-maven-plugin:1.3.1:exec)
+    echo "Extracted 'main.adoc' from Maven build [${MAIN_ADOC_VALUE}]"
+
+
+    WHITELIST_PROPERTY=${WHITELIST_PROPERTY:-"docs.whitelisted.branches"}
+    WHITELISTED_BRANCHES_VALUE=$("${MAVEN_PATH}"mvn -q \
+        -Dexec.executable="echo" \
+        -Dexec.args="\${${WHITELIST_PROPERTY}}" \
+        org.codehaus.mojo:exec-maven-plugin:1.3.1:exec \
+        -P docs \
+        -pl docs)
+    echo "Extracted '${WHITELIST_PROPERTY}' from Maven build [${WHITELISTED_BRANCHES_VALUE}]"
+}
+
+# Stash any outstanding changes
+function stash_changes() {
+    git diff-index --quiet HEAD && dirty=$? || (echo "Failed to check if the current repo is dirty. Assuming that it is." && dirty="1")
+    if [ "$dirty" != "0" ]; then git stash; fi
+}
+
+# Switch to gh-pages branch to sync it with current branch
+function add_docs_from_target() {
+    local DESTINATION_REPO_FOLDER
+    if [[ -z "${DESTINATION}" && -z "${CLONE}" ]] ; then
+        DESTINATION_REPO_FOLDER=${ROOT_FOLDER}
+    elif [[ "${CLONE}" == "yes" ]]; then
+        mkdir -p ${ROOT_FOLDER}/target
+        local clonedStatic=${ROOT_FOLDER}/target/spring-cloud-static
+        if [[ ! -e "${clonedStatic}/.git" ]]; then
+            echo "Cloning Spring Cloud Static to target"
+            git clone ${SPRING_CLOUD_STATIC_REPO} ${clonedStatic} && git checkout gh-pages
+        else
+            echo "Spring Cloud Static already cloned - will pull changes"
+            cd ${clonedStatic} && git checkout gh-pages && git pull origin gh-pages
+        fi
+        DESTINATION_REPO_FOLDER=${clonedStatic}/${REPO_NAME}
+        mkdir -p ${DESTINATION_REPO_FOLDER}
+    else
+        if [[ ! -e "${DESTINATION}/.git" ]]; then
+            echo "[${DESTINATION}] is not a git repository"
+            exit 1
+        fi
+        DESTINATION_REPO_FOLDER=${DESTINATION}/${REPO_NAME}
+        mkdir -p ${DESTINATION_REPO_FOLDER}
+        echo "Destination was provided [${DESTINATION}]"
+    fi
+    cd ${DESTINATION_REPO_FOLDER}
+    git checkout gh-pages
+    git pull origin gh-pages
+
+    # Add git branches
+    ###################################################################
+    if [[ -z "${VERSION}" ]] ; then
+        copy_docs_for_current_version
+    else
+        copy_docs_for_provided_version
+    fi
+    commit_changes_if_applicable
+}
+
+
+# Copies the docs by using the retrieved properties from Maven build
+function copy_docs_for_current_version() {
+    if [[ "${CURRENT_BRANCH}" == "master" ]] ; then
+        echo -e "Current branch is master - will copy the current docs only to the root folder"
+        for f in docs/target/generated-docs/*; do
+            file=${f#docs/target/generated-docs/*}
+            if ! git ls-files -i -o --exclude-standard --directory | grep -q ^$file$; then
+                # Not ignored...
+                cp -rf $f ${ROOT_FOLDER}/
+                git add -A ${ROOT_FOLDER}/$file
+            fi
+        done
+        COMMIT_CHANGES="yes"
+    else
+        echo -e "Current branch is [${CURRENT_BRANCH}]"
+        # http://stackoverflow.com/questions/29300806/a-bash-script-to-check-if-a-string-is-present-in-a-comma-separated-list-of-strin
+        if [[ ",${WHITELISTED_BRANCHES_VALUE}," = *",${CURRENT_BRANCH},"* ]] ; then
+            mkdir -p ${ROOT_FOLDER}/${CURRENT_BRANCH}
+            echo -e "Branch [${CURRENT_BRANCH}] is whitelisted! Will copy the current docs to the [${CURRENT_BRANCH}] folder"
+            for f in docs/target/generated-docs/*; do
+                file=${f#docs/target/generated-docs/*}
+                if ! git ls-files -i -o --exclude-standard --directory | grep -q ^$file$; then
+                    # Not ignored...
+                    # We want users to access 1.0.0.RELEASE/ instead of 1.0.0.RELEASE/spring-cloud.sleuth.html
+                    if [[ "${file}" == "${MAIN_ADOC_VALUE}.html" ]] ; then
+                        # We don't want to copy the spring-cloud-sleuth.html
+                        # we want it to be converted to index.html
+                        cp -rf $f ${ROOT_FOLDER}/${CURRENT_BRANCH}/index.html
+                        git add -A ${ROOT_FOLDER}/${CURRENT_BRANCH}/index.html
+                    else
+                        cp -rf $f ${ROOT_FOLDER}/${CURRENT_BRANCH}
+                        git add -A ${ROOT_FOLDER}/${CURRENT_BRANCH}/$file
+                    fi
+                fi
+            done
+            COMMIT_CHANGES="yes"
+        else
+            echo -e "Branch [${CURRENT_BRANCH}] is not on the white list! Check out the Maven [${WHITELIST_PROPERTY}] property in
+             [docs] module available under [docs] profile. Won't commit any changes to gh-pages for this branch."
+        fi
+    fi
+}
+
+# Copies the docs by using the explicitly provided version
+function copy_docs_for_provided_version() {
+    local FOLDER=${DESTINATION_REPO_FOLDER}/${VERSION}
+    mkdir -p ${FOLDER}
+    echo -e "Current tag is [v${VERSION}] Will copy the current docs to the [${FOLDER}] folder"
+    for f in ${ROOT_FOLDER}/docs/target/generated-docs/*; do
+        file=${f#${ROOT_FOLDER}/docs/target/generated-docs/*}
+        copy_docs_for_branch ${file} ${FOLDER}
+    done
+    COMMIT_CHANGES="yes"
+    CURRENT_BRANCH="v${VERSION}"
+}
+
+# Copies the docs from target to the provided destination
+# Params:
+# $1 - file from target
+# $2 - destination to which copy the files
+function copy_docs_for_branch() {
+    local file=$1
+    local destination=$2
+    if ! git ls-files -i -o --exclude-standard --directory | grep -q ^${file}$; then
+        # Not ignored...
+        # We want users to access 1.0.0.RELEASE/ instead of 1.0.0.RELEASE/spring-cloud.sleuth.html
+        if [[ ("${file}" == "${MAIN_ADOC_VALUE}.html") || ("${file}" == "${REPO_NAME}.html") ]] ; then
+            # We don't want to copy the spring-cloud-sleuth.html
+            # we want it to be converted to index.html
+            cp -rf $f ${destination}/index.html
+            git add -A ${destination}/index.html
+        else
+            cp -rf $f ${destination}
+            git add -A ${destination}/$file
+        fi
+    fi
+}
+
+function commit_changes_if_applicable() {
+    if [[ "${COMMIT_CHANGES}" == "yes" ]] ; then
+        COMMIT_SUCCESSFUL="no"
+        git commit -a -m "Sync docs from ${CURRENT_BRANCH} to gh-pages" && COMMIT_SUCCESSFUL="yes" || echo "Failed to commit changes"
+
+        # Uncomment the following push if you want to auto push to
+        # the gh-pages branch whenever you commit to master locally.
+        # This is a little extreme. Use with care!
+        ###################################################################
+        if [[ "${COMMIT_SUCCESSFUL}" == "yes" ]] ; then
+            git push origin gh-pages
+        fi
+    fi
+}
+
+# Switch back to the previous branch and exit block
+function checkout_previous_branch() {
+    # If -version was provided we need to come back to root project
+    cd ${ROOT_FOLDER}
+    git checkout ${CURRENT_BRANCH} || echo "Failed to check the branch... continuing with the script"
+    if [ "$dirty" != "0" ]; then git stash pop; fi
+    exit 0
+}
+
+# Assert if properties have been properly passed
+function assert_properties() {
+echo "VERSION [${VERSION}], DESTINATION [${DESTINATION}], CLONE [${CLONE}]"
+if [[ "${VERSION}" != "" && (-z "${DESTINATION}" && -z "${CLONE}") ]] ; then echo "Version was set but destination / clone was not!"; exit 1;fi
+if [[ ("${DESTINATION}" != "" && "${CLONE}" != "") && -z "${VERSION}" ]] ; then echo "Destination / clone was set but version was not!"; exit 1;fi
+if [[ "${DESTINATION}" != "" && "${CLONE}" == "yes" ]] ; then echo "Destination and clone was set. Pick one!"; exit 1;fi
+}
+
+# Prints the usage
+function print_usage() {
+cat <<EOF
+The idea of this script is to update gh-pages branch with the generated docs. Without any options
+the script will work in the following manner:
+
+- if there's no gh-pages / target for docs module then the script ends
+- for master branch the generated docs are copied to the root of gh-pages branch
+- for any other branch (if that branch is whitelisted) a subfolder with branch name is created
+    and docs are copied there
+- if the version switch is passed (-v) then a tag with (v) prefix will be retrieved and a folder
+    with that version number will be created in the gh-pages branch. WARNING! No whitelist verification will take place
+- if the destination switch is passed (-d) then the script will check if the provided dir is a git repo and then will
+    switch to gh-pages of that repo and copy the generated docs to `docs/<project-name>/<version>`
+- if the destination switch is passed (-d) then the script will check if the provided dir is a git repo and then will
+    switch to gh-pages of that repo and copy the generated docs to `docs/<project-name>/<version>`
+
+USAGE:
+
+You can use the following options:
+
+-v|--version        - the script will apply the whole procedure for a particular library version
+-d|--destination    - the root of destination folder where the docs should be copied. You have to use the full path.
+                        E.g. point to spring-cloud-static folder. Can't be used with (-c)
+-b|--build          - will run the standard build process after checking out the branch
+-c|--clone          - will automatically clone the spring-cloud-static repo instead of providing the destination.
+                        Obviously can't be used with (-d)
+
+EOF
+}
+
+
+# ==========================================
+#    ____   ____ _____  _____ _____ _______
+#  / ____|/ ____|  __ \|_   _|  __ \__   __|
+# | (___ | |    | |__) | | | | |__) | | |
+#  \___ \| |    |  _  /  | | |  ___/  | |
+#  ____) | |____| | \ \ _| |_| |      | |
+# |_____/ \_____|_|  \_\_____|_|      |_|
+#
+# ==========================================
+
+while [[ $# > 0 ]]
+do
+key="$1"
+case ${key} in
+    -v|--version)
+    VERSION="$2"
+    shift # past argument
+    ;;
+    -d|--destination)
+    DESTINATION="$2"
+    shift # past argument
+    ;;
+    -b|--build)
+    BUILD="yes"
+    ;;
+    -c|--clone)
+    CLONE="yes"
+    ;;
+    -h|--help)
+    print_usage
+    exit 0
+    ;;
+    *)
+    echo "Invalid option: [$1]"
+    print_usage
+    exit 1
+    ;;
+esac
+shift # past argument or value
+done
+
+assert_properties
+set_default_props
+check_if_anything_to_sync
+if [[ -z "${VERSION}" ]] ; then
+    retrieve_current_branch
+else
+    switch_to_tag
+fi
+build_docs_if_applicable
+retrieve_doc_properties
+stash_changes
+add_docs_from_target
+checkout_previous_branch
--- a/2.1.x/images/background.png
+++ b/2.1.x/images/background.png
--- a/2.1.x/images/callouts/1.png
+++ b/2.1.x/images/callouts/1.png
--- a/2.1.x/images/callouts/2.png
+++ b/2.1.x/images/callouts/2.png
--- a/2.1.x/images/callouts/3.png
+++ b/2.1.x/images/callouts/3.png
--- a/2.1.x/images/caution.png
+++ b/2.1.x/images/caution.png
--- a/2.1.x/images/important.png
+++ b/2.1.x/images/important.png
--- a/2.1.x/images/logo.png
+++ b/2.1.x/images/logo.png
--- a/2.1.x/images/note.png
+++ b/2.1.x/images/note.png
--- a/2.1.x/images/tip.png
+++ b/2.1.x/images/tip.png
--- a/2.1.x/images/warning.png
+++ b/2.1.x/images/warning.png
--- a/2.1.x/index.html
+++ b/2.1.x/index.html
@ -0,0 +1,117 @@
				@@ -0,0 +1,117 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+<meta charset="UTF-8">
+<!--[if IE]><meta http-equiv="X-UA-Compatible" content="IE=edge"><![endif]-->
+<meta name="viewport" content="width=device-width, initial-scale=1.0">
+<meta name="generator" content="Asciidoctor 1.5.7.1">
+<title>spring-cloud-openfeign</title>
+<link rel="stylesheet" href="css/manual-singlepage.css">
+<style>
+.hidden {
+	display: none;
+}
+
+.switch {
+	border-width: 1px 1px 0 1px;
+	border-style: solid;
+	border-color: #7a2518;
+	display: inline-block;
+}
+
+.switch--item {
+	padding: 10px;
+	background-color: #ffffff;
+	color: #7a2518;
+	display: inline-block;
+	cursor: pointer;
+}
+
+.switch--item.selected {
+	background-color: #7a2519;
+	color: #ffffff;
+}
+</style>
+<script src="http://cdnjs.cloudflare.com/ajax/libs/zepto/1.2.0/zepto.min.js"></script>
+<script type="text/javascript">
+function addBlockSwitches() {
+	$('.primary').each(function() {
+		primary = $(this);
+		createSwitchItem(primary, createBlockSwitch(primary)).item.addClass("selected");
+		primary.children('.title').remove();
+	});
+	$('.secondary').each(function(idx, node) {
+		secondary = $(node);
+		primary = findPrimary(secondary);
+		switchItem = createSwitchItem(secondary, primary.children('.switch'));
+		switchItem.content.addClass('hidden');
+		findPrimary(secondary).append(switchItem.content);
+		secondary.remove();
+	});
+}
+
+function createBlockSwitch(primary) {
+	blockSwitch = $('<div class="switch"></div>');
+	primary.prepend(blockSwitch);
+	return blockSwitch;
+}
+
+function findPrimary(secondary) {
+	candidate = secondary.prev();
+	while (!candidate.is('.primary')) {
+		candidate = candidate.prev();
+	}
+	return candidate;
+}
+
+function createSwitchItem(block, blockSwitch) {
+	blockName = block.children('.title').text();
+	content = block.children('.content').first().append(block.next('.colist'));
+	item = $('<div class="switch--item">' + blockName + '</div>');
+	item.on('click', '', content, function(e) {
+		$(this).addClass('selected');
+		$(this).siblings().removeClass('selected');
+		e.data.siblings('.content').addClass('hidden');
+		e.data.removeClass('hidden');
+	});
+	blockSwitch.append(item);
+	return {'item': item, 'content': content};
+}
+
+$(addBlockSwitches);
+</script>
+</head>
+
+<body class="article">
+<div id="header">
+<h1>spring-cloud-openfeign</h1>
+</div>
+<div id="content">
+<div id="preamble">
+<div class="sectionbody">
+<div class="paragraph">
+<p>2.1.3.BUILD-SNAPSHOT</p>
+</div>
+</div>
+</div>
+<div class="sect1">
+<h2 id="_pick_the_documentation_option">Pick The Documentation Option</h2>
+<div class="sectionbody">
+<div class="ulist">
+<ul>
+<li>
+<p><a href="single/spring-cloud-openfeign.html">Single HTML</a></p>
+</li>
+<li>
+<p><a href="multi/multi_spring-cloud-openfeign.html">Multi HTML</a></p>
+</li>
+</ul>
+</div>
+</div>
+</div>
+</div>
+<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/prettify/r298/prettify.min.css">
+<script src="https://cdnjs.cloudflare.com/ajax/libs/prettify/r298/prettify.min.js"></script>
+<script>prettyPrint()</script>
+</body>
+</html>
--- a/2.1.x/multi/css/highlight.css
+++ b/2.1.x/multi/css/highlight.css
@ -0,0 +1,35 @@
				@@ -0,0 +1,35 @@
+/* 
+   code highlight CSS resemblign the Eclipse IDE default color schema
+   @author Costin Leau
+*/
+
+.hl-keyword {
+    color: #7F0055;
+    font-weight: bold;
+}
+
+.hl-comment {
+    color: #3F5F5F;
+    font-style: italic;
+}
+
+.hl-multiline-comment {
+    color: #3F5FBF;
+    font-style: italic;
+}
+
+.hl-tag {
+    color: #3F7F7F;
+}
+
+.hl-attribute {
+    color: #7F007F;
+}
+
+.hl-value {
+    color: #2A00FF;
+}
+
+.hl-string {
+    color: #2A00FF;
+}
--- a/2.1.x/multi/css/manual-multipage.css
+++ b/2.1.x/multi/css/manual-multipage.css
@ -0,0 +1,9 @@
				@@ -0,0 +1,9 @@
+@IMPORT url("manual.css");
+
+body.firstpage {
+    background: url("../images/background.png") no-repeat center top;
+}
+
+div.part h1 {
+    border-top: none;
+}
--- a/2.1.x/multi/css/manual-singlepage.css
+++ b/2.1.x/multi/css/manual-singlepage.css
@ -0,0 +1,6 @@
				@@ -0,0 +1,6 @@
+@IMPORT url("manual.css");
+
+body {
+    background: url("../images/background.png") no-repeat center top;
+}
+
--- a/2.1.x/multi/css/manual.css
+++ b/2.1.x/multi/css/manual.css
@ -0,0 +1,342 @@
				@@ -0,0 +1,342 @@
+@IMPORT url("highlight.css");
+
+html {
+    padding: 0pt;
+    margin: 0pt;
+}
+
+body {
+    color: #333333;
+    margin: 15px 30px;
+    font-family: Helvetica, Arial, Freesans, Clean, Sans-serif;
+    line-height: 1.6;
+    -webkit-font-smoothing: antialiased;
+}
+
+code {
+    font-size: 16px;
+    font-family: Consolas, "Liberation Mono", Courier, monospace;
+}
+
+:not(a) > code {
+    color: #6D180B;
+}
+
+:not(pre) > code {
+    background-color: #F2F2F2;
+    border: 1px solid #CCCCCC;
+    border-radius: 4px;
+    padding: 1px 3px 0;
+    text-shadow: none;
+    white-space: nowrap;
+}
+
+body > *:first-child {
+    margin-top: 0 !important;
+}
+
+div {
+    margin: 0pt;
+}
+
+hr {
+    border: 1px solid #CCCCCC;
+    background: #CCCCCC;
+}
+
+h1, h2, h3, h4, h5, h6 {
+    color: #000000;
+    cursor: text;
+    font-weight: bold;
+    margin: 30px 0 10px;
+    padding: 0;
+}
+
+h1, h2, h3 {
+    margin: 40px 0 10px;
+}
+
+h1 {
+    margin: 70px 0 30px;
+    padding-top: 20px;
+}
+
+div.part h1 {
+    border-top: 1px dotted #CCCCCC;
+}
+
+h1, h1 code {
+    font-size: 32px;
+}
+
+h2, h2 code {
+    font-size: 24px;
+}
+
+h3, h3 code {
+    font-size: 20px;
+}
+
+h4, h1 code, h5, h5 code, h6, h6 code {
+    font-size: 18px;
+}
+
+div.book, div.chapter, div.appendix, div.part, div.preface {
+    min-width: 300px;
+    max-width: 1200px;
+    margin: 0 auto;
+}
+
+p.releaseinfo {
+    font-weight: bold;
+    margin-bottom: 40px;
+    margin-top: 40px;
+}
+
+div.authorgroup {
+    line-height: 1;
+}
+
+p.copyright {
+    line-height: 1;
+    margin-bottom: -5px;
+}
+
+.legalnotice p {
+    font-style: italic;
+    font-size: 14px;
+    line-height: 1;
+}
+
+div.titlepage + p, div.titlepage + p {
+    margin-top: 0;
+}
+
+pre {
+    line-height: 1.0;
+    color: black;
+}
+
+a {
+    color: #4183C4;
+    text-decoration: none;
+}
+
+p {
+    margin: 15px 0;
+    text-align: left;
+}
+
+ul, ol {
+    padding-left: 30px;
+}
+
+li p {
+    margin: 0;
+}
+
+div.table {
+    margin: 1em;
+    padding: 0.5em;
+    text-align: center;
+}
+
+div.table table, div.informaltable table {
+    display: table;
+    width: 100%;
+}
+
+div.table td {
+    padding-left: 7px;
+    padding-right: 7px;
+}
+
+.sidebar {
+    line-height: 1.4;
+    padding: 0 20px;
+    background-color: #F8F8F8;
+    border: 1px solid #CCCCCC;
+    border-radius: 3px 3px 3px 3px;
+}
+
+.sidebar p.title {
+    color: #6D180B;
+}
+
+pre.programlisting, pre.screen {
+    font-size: 15px;
+    padding: 6px 10px;
+    background-color: #F8F8F8;
+    border: 1px solid #CCCCCC;
+    border-radius: 3px 3px 3px 3px;
+    clear: both;
+    overflow: auto;
+    line-height: 1.4;
+    font-family: Consolas, "Liberation Mono", Courier, monospace;
+}
+
+table {
+    border-collapse: collapse;
+    border-spacing: 0;
+    border: 1px solid #DDDDDD !important;
+    border-radius: 4px !important;
+    border-collapse: separate !important;
+    line-height: 1.6;
+}
+
+table thead {
+    background: #F5F5F5;
+}
+
+table tr {
+    border: none;
+    border-bottom: none;
+}
+
+table th {
+    font-weight: bold;
+}
+
+table th, table td {
+    border: none !important;
+    padding: 6px 13px;
+}
+
+table tr:nth-child(2n) {
+    background-color: #F8F8F8;
+}
+
+td p {
+    margin: 0 0 15px 0;
+}
+
+div.table-contents td p {
+    margin: 0;
+}
+
+div.important *, div.note *, div.tip *, div.warning *, div.navheader *, div.navfooter *, div.calloutlist * {
+    border: none !important;
+    background: none !important;
+    margin: 0;
+}
+
+div.important p, div.note p, div.tip p, div.warning p {
+    color: #6F6F6F;
+    line-height: 1.6;
+}
+
+div.important code, div.note code, div.tip code, div.warning code {
+    background-color: #F2F2F2 !important;
+    border: 1px solid #CCCCCC !important;
+    border-radius: 4px !important;
+    padding: 1px 3px 0 !important;
+    text-shadow: none !important;
+    white-space: nowrap !important;
+}
+
+.note th, .tip th, .warning th {
+    display: none;
+}
+
+.note tr:first-child td, .tip tr:first-child td, .warning tr:first-child td {
+    border-right: 1px solid #CCCCCC !important;
+    padding-top: 10px;
+}
+
+div.calloutlist p, div.calloutlist td {
+    padding: 0;
+    margin: 0;
+}
+
+div.calloutlist > table > tbody > tr > td:first-child {
+    padding-left: 10px;
+    width: 30px !important;
+}
+
+div.important, div.note, div.tip, div.warning {
+    margin-left: 0px !important;
+    margin-right: 20px !important;
+    margin-top: 20px;
+    margin-bottom: 20px;
+    padding-top: 10px;
+    padding-bottom: 10px;
+}
+
+div.toc {
+    line-height: 1.2;
+}
+
+dl, dt {
+    margin-top: 1px;
+    margin-bottom: 0;
+}
+
+div.toc > dl > dt {
+    font-size: 32px;
+    font-weight: bold;
+    margin: 30px 0 10px 0;
+    display: block;
+}
+
+div.toc > dl > dd > dl > dt {
+    font-size: 24px;
+    font-weight: bold;
+    margin: 20px 0 10px 0;
+    display: block;
+}
+
+div.toc > dl > dd > dl > dd > dl > dt {
+    font-weight: bold;
+    font-size: 20px;
+    margin: 10px 0 0 0;
+}
+
+tbody.footnotes * {
+    border: none !important;
+}
+
+div.footnote p {
+    margin: 0;
+    line-height: 1;
+}
+
+div.footnote p sup {
+    margin-right: 6px;
+    vertical-align: middle;
+}
+
+div.navheader {
+    border-bottom: 1px solid #CCCCCC;
+}
+
+div.navfooter {
+    border-top: 1px solid #CCCCCC;
+}
+
+.title {
+    margin-left: -1em;
+    padding-left: 1em;
+}
+
+.title > a {
+    position: absolute;
+    visibility: hidden;
+    display: block;
+    font-size: 0.85em;
+    margin-top: 0.05em;
+    margin-left: -1em;
+    vertical-align: text-top;
+    color: black;
+}
+
+.title > a:before {
+    content: "\00A7";
+}
+
+.title:hover > a, .title > a:hover, .title:hover > a:hover {
+    visibility: visible;
+}
+
+.title:focus > a, .title > a:focus, .title:focus > a:focus {
+    outline: 0;
+}
--- a/2.1.x/multi/images/background.png
+++ b/2.1.x/multi/images/background.png
--- a/2.1.x/multi/images/callouts/1.png
+++ b/2.1.x/multi/images/callouts/1.png
--- a/2.1.x/multi/images/callouts/2.png
+++ b/2.1.x/multi/images/callouts/2.png
--- a/2.1.x/multi/images/callouts/3.png
+++ b/2.1.x/multi/images/callouts/3.png
--- a/2.1.x/multi/images/caution.png
+++ b/2.1.x/multi/images/caution.png
--- a/2.1.x/multi/images/important.png
+++ b/2.1.x/multi/images/important.png
--- a/2.1.x/multi/images/logo.png
+++ b/2.1.x/multi/images/logo.png
--- a/2.1.x/multi/images/note.png
+++ b/2.1.x/multi/images/note.png
--- a/2.1.x/multi/images/tip.png
+++ b/2.1.x/multi/images/tip.png
--- a/Show More
+++ b/Show More
				`@ -1 +0,0 @@` @@ -1 +0,0 @@
				`-Xmx1024m -XX:CICompilerCount=1 -XX:TieredStopAtLevel=1 -Djava.security.egd=file:/dev/./urandom`