From 3605a8ea671afb9c57c5d7a71b42432005a5ec62 Mon Sep 17 00:00:00 2001
From: Viachaslau-Zinkevich <viachaslau.zinkevich@outlook.com>
Date: Sat, 14 Dec 2019 19:33:23 +0300
Subject: [PATCH] Fix CachingRouteLocator issue during routes initialization
 (#1460)

---
 .../cloud/gateway/route/CachingRouteLocator.java              | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/spring-cloud-gateway-core/src/main/java/org/springframework/cloud/gateway/route/CachingRouteLocator.java b/spring-cloud-gateway-core/src/main/java/org/springframework/cloud/gateway/route/CachingRouteLocator.java
index 230f05883..a31327e05 100644
--- a/spring-cloud-gateway-core/src/main/java/org/springframework/cloud/gateway/route/CachingRouteLocator.java
+++ b/spring-cloud-gateway-core/src/main/java/org/springframework/cloud/gateway/route/CachingRouteLocator.java
@@ -16,9 +16,9 @@
 
 package org.springframework.cloud.gateway.route;
 
-import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
+import java.util.concurrent.ConcurrentHashMap;
 
 import reactor.cache.CacheFlux;
 import reactor.core.publisher.Flux;
@@ -37,7 +37,7 @@ public class CachingRouteLocator
 
 	private final Flux<Route> routes;
 
-	private final Map<String, List> cache = new HashMap<>();
+	private final Map<String, List> cache = new ConcurrentHashMap<>();
 
 	public CachingRouteLocator(RouteLocator delegate) {
 		this.delegate = delegate;