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335 lines
14 KiB
335 lines
14 KiB
<!-- |
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Licensed to the Apache Software Foundation (ASF) under one or more |
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contributor license agreements. See the NOTICE file distributed with |
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this work for additional information regarding copyright ownership. |
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The ASF licenses this file to You under the Apache License, Version 2.0 |
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(the "License"); you may not use this file except in compliance with |
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the License. You may obtain a copy of the License at |
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http://www.apache.org/licenses/LICENSE-2.0 |
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Unless required by applicable law or agreed to in writing, software |
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distributed under the License is distributed on an "AS IS" BASIS, |
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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See the License for the specific language governing permissions and |
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limitations under the License. |
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--> |
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<!-- Spotbugs filtering. |
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Spotbugs is a static code analysis tool run as part of the "check" phase of the build. |
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This file dictates which categories of bugs and individual false positives that we suppress. |
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For a detailed description of spotbugs bug categories, see https://spotbugs.readthedocs.io/en/latest/bugDescriptions.html |
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--> |
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<FindBugsFilter> |
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<!-- false positive in Java 11, see https://github.com/spotbugs/spotbugs/issues/756 --> |
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<Match> |
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<Bug pattern="RCN_REDUNDANT_NULLCHECK_OF_NONNULL_VALUE"/> |
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</Match> |
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<!-- false positive in Java 11, see https://github.com/spotbugs/spotbugs/issues/756 --> |
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<Match> |
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<Bug pattern="RCN_REDUNDANT_NULLCHECK_WOULD_HAVE_BEEN_A_NPE"/> |
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</Match> |
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<Match> |
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<!-- Disable warnings about mutable objects and the use of public fields. |
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EI_EXPOSE_REP: May expose internal representation by returning reference to mutable object |
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EI_EXPOSE_REP2: May expose internal representation by incorporating reference to mutable object |
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MS_PKGPROTECT: Field should be package protected --> |
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<Bug pattern="EI_EXPOSE_REP,EI_EXPOSE_REP2,MS_PKGPROTECT"/> |
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</Match> |
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<Match> |
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<!-- Disable warnings about System.exit, until we decide to stop using it. |
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DM_EXIT: Method invokes System.exit --> |
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<Bug pattern="DM_EXIT"/> |
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</Match> |
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<Match> |
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<!-- Disable warnings about the lack of equals() when compareTo() is implemented. |
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EQ_COMPARETO_USE_OBJECT_EQUALS: This class defines a compareTo method but no equals() method --> |
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<Bug pattern="EQ_COMPARETO_USE_OBJECT_EQUALS"/> |
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</Match> |
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<Match> |
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<!-- Spotbugs tends to work a little bit better with Java than with Scala. We suppress |
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some categories of bug reports when using Scala, since spotbugs generates huge |
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numbers of false positives in some of these categories when examining Scala code. |
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NP_LOAD_OF_KNOWN_NULL_VALUE: The variable referenced at this point is known to be null |
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due to an earlier check against null. |
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NP_NULL_PARAM_DEREF: Method call passes null for non-null parameter. |
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NP_NULL_ON_SOME_PATH: Possible null pointer dereference |
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SE_BAD_FIELD: Non-transient non-serializable instance field in serializable class. |
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DM_STRING_CTOR: Method invokes inefficient new String(String) constructor. |
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DM_NEW_FOR_GETCLASS: Method allocates an object, only to get the class object. |
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ST_WRITE_TO_STATIC_FROM_INSTANCE_METHOD: Write to static field from instance method. |
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DM_NUMBER_CTOR: Method invokes inefficient Number constructor; use static valueOf instead. |
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RCN_REDUNDANT_NULLCHECK_WOULD_HAVE_BEEN_A_NPE: Nullcheck of value previously dereferenced. |
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RCN_REDUNDANT_NULLCHECK_OF_NONNULL_VALUE: Redundant nullcheck of value known to be non-null. |
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RCN_REDUNDANT_NULLCHECK_OF_NULL_VALUE: Redundant nullcheck of value known to be null. |
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RV_RETURN_VALUE_IGNORED_NO_SIDE_EFFECT: Return value of method without side effect is ignored. |
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NM_CLASS_NAMING_CONVENTION: Class names should start with an upper case letter. |
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NM_METHOD_NAMING_CONVENTION: Method names should start with a lower case letter. |
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EC_NULL_ARG: Call to equals(null) |
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NP_ALWAYS_NULL: Null pointer dereference |
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MS_CANNOT_BE_FINAL: Field isn't final and can't be protected from malicious code --> |
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<Source name="~.*\.scala" /> |
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<Or> |
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<Bug pattern="NP_LOAD_OF_KNOWN_NULL_VALUE"/> |
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<Bug pattern="NP_NULL_ON_SOME_PATH"/> |
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<Bug pattern="NP_NULL_PARAM_DEREF"/> |
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<Bug pattern="SE_BAD_FIELD"/> |
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<Bug pattern="DM_STRING_CTOR"/> |
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<Bug pattern="DM_NEW_FOR_GETCLASS"/> |
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<Bug pattern="ST_WRITE_TO_STATIC_FROM_INSTANCE_METHOD"/> |
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<Bug pattern="DM_NUMBER_CTOR"/> |
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<Bug pattern="RCN_REDUNDANT_NULLCHECK_WOULD_HAVE_BEEN_A_NPE"/> |
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<Bug pattern="RCN_REDUNDANT_NULLCHECK_OF_NONNULL_VALUE"/> |
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<Bug pattern="RCN_REDUNDANT_NULLCHECK_OF_NULL_VALUE"/> |
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<Bug pattern="RV_RETURN_VALUE_IGNORED_NO_SIDE_EFFECT"/> |
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<Bug pattern="NM_CLASS_NAMING_CONVENTION"/> |
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<Bug pattern="NM_METHOD_NAMING_CONVENTION"/> |
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<Bug pattern="EC_NULL_ARG"/> |
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<Bug pattern="NP_ALWAYS_NULL"/> |
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<Bug pattern="MS_CANNOT_BE_FINAL"/> |
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</Or> |
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</Match> |
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<Match> |
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<!-- Add a suppression for the equals() method of NetworkClientBlockingOps. --> |
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<Class name="kafka.utils.NetworkClientBlockingOps"/> |
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<Bug pattern="EQ_UNUSUAL"/> |
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</Match> |
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<Match> |
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<!-- Add a suppression for auto-generated calls to instanceof in kafka.utils.Json --> |
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<Source name="Json.scala"/> |
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<Package name="kafka.utils"/> |
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<Bug pattern="BC_VACUOUS_INSTANCEOF"/> |
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</Match> |
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<Match> |
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<!-- Suppress a warning about some static initializers in Schema using instances of a |
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subclass. --> |
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<Or> |
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<Class name="org.apache.kafka.connect.data.Schema"/> |
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<Class name="org.apache.kafka.connect.data.SchemaBuilder"/> |
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</Or> |
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<Bug pattern="IC_SUPERCLASS_USES_SUBCLASS_DURING_INITIALIZATION"/> |
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</Match> |
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<Match> |
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<!-- Suppress warnings about unread protected fields in some public classes. |
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Although these are not read in Kafka Connect code, they are part of the API. --> |
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<Or> |
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<Class name="org.apache.kafka.connect.connector.Connector"/> |
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<Class name="org.apache.kafka.connect.sink.SinkTask"/> |
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<Class name="org.apache.kafka.connect.source.SourceTask"/> |
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</Or> |
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<Bug pattern="URF_UNREAD_PUBLIC_OR_PROTECTED_FIELD"/> |
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</Match> |
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<Match> |
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<!-- Suppress warnings about converting an integer number of |
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milliseconds to a java.util.Date object. We do this intentionally in |
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org.apache.kafka.connect.data.Time. --> |
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<Class name="org.apache.kafka.connect.data.Time"/> |
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<Method name="toLogical"/> |
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<Bug pattern="ICAST_INT_2_LONG_AS_INSTANT"/> |
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</Match> |
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<Match> |
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<!-- Suppress some minor warnings about machine-generated code for |
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benchmarking. --> |
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<Or> |
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<Package name="org.apache.kafka.jmh.cache.generated"/> |
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<Package name="org.apache.kafka.jmh.common.generated"/> |
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<Package name="org.apache.kafka.jmh.record.generated"/> |
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<Package name="org.apache.kafka.jmh.producer.generated"/> |
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</Or> |
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</Match> |
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<Match> |
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<!-- Suppress warnings about generated schema arrays. --> |
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<Package name="org.apache.kafka.common.message"/> |
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<Bug pattern="MS_MUTABLE_ARRAY"/> |
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</Match> |
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<Match> |
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<!-- Suppress warnings about ignoring the return value of await. |
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This is done intentionally because we use other clues to determine |
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if the wait was cut short. --> |
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<Class name="org.apache.kafka.connect.runtime.WorkerSourceTask"/> |
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<Method name="execute"/> |
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<Bug pattern="RV_RETURN_VALUE_IGNORED"/> |
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</Match> |
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<Match> |
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<!-- Suppress a warning about ignoring the return value of await. |
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This is done intentionally because we use other clues to determine |
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if the wait was cut short. --> |
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<Package name="kafka.log"/> |
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<Source name="LogCleanerManager.scala"/> |
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<Bug pattern="RV_RETURN_VALUE_IGNORED,RV_RETURN_VALUE_IGNORED_BAD_PRACTICE"/> |
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</Match> |
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<Match> |
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<!-- Suppress some warnings about intentional switch statement fallthrough. --> |
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<Class name="org.apache.kafka.connect.runtime.WorkerConnector"/> |
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<Or> |
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<Method name="doStart"/> |
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<Method name="pause"/> |
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</Or> |
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<Bug pattern="SF_SWITCH_FALLTHROUGH"/> |
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</Match> |
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<Match> |
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<!-- Suppress a warning about intentional switch statement fallthrough. --> |
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<Class name="org.apache.kafka.common.security.authenticator.SaslClientAuthenticator"/> |
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<Method name="authenticate"/> |
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<Bug pattern="SF_SWITCH_FALLTHROUGH"/> |
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</Match> |
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<Match> |
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<!-- Suppress a spurious warning about a missing default case. --> |
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<Or> |
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<Class name="org.apache.kafka.common.utils.Crc32"/> |
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<Class name="org.apache.kafka.common.utils.PureJavaCrc32C"/> |
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</Or> |
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<Method name="update"/> |
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<Bug pattern="SF_SWITCH_NO_DEFAULT"/> |
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</Match> |
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<Match> |
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<!-- Suppress a warning about intentional missing default cases and fallthroughs. --> |
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<Class name="org.apache.kafka.common.utils.Utils"/> |
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<Method name="murmur2"/> |
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<Or> |
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<Bug pattern="SF_SWITCH_NO_DEFAULT"/> |
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<Bug pattern="SF_SWITCH_FALLTHROUGH"/> |
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</Or> |
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</Match> |
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<Match> |
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<!-- Suppress a spurious warning about locks not being released on all paths. |
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This happens because there is an 'if' statement that checks if we have the lock before |
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releasing it. --> |
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<Class name="org.apache.kafka.clients.producer.internals.BufferPool"/> |
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<Method name="allocate"/> |
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<Bug pattern="UL_UNRELEASED_LOCK"/> |
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</Match> |
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<Match> |
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<!-- Suppress warnings about synchronizing on the UnsentRequests |
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ConcurrentHashMap. This is done deliberately. --> |
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<Package name="org.apache.kafka.clients.consumer.internals"/> |
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<Source name="ConsumerNetworkClient.java"/> |
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<Bug pattern="JLM_JSR166_UTILCONCURRENT_MONITORENTER"/> |
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</Match> |
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<Match> |
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<!-- Suppress inconsistent synchronization warnings about |
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AbstractCoordinator#coordinator. See KAFKA-4992 for details.--> |
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<Class name="org.apache.kafka.clients.consumer.internals.AbstractCoordinator"/> |
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<Bug pattern="IS2_INCONSISTENT_SYNC"/> |
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</Match> |
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<Match> |
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<!-- Suppress warnings about implementing compareTo but not equals. --> |
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<Class name="org.apache.kafka.streams.processor.internals.Stamped"/> |
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<Bug pattern="EQ_COMPARETO_USE_OBJECT_EQUALS"/> |
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</Match> |
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<Match> |
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<!-- TODO: fix this (see KAFKA-4996) --> |
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<Or> |
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<Package name="org.apache.kafka.streams.state.internals"/> |
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<Package name="org.apache.kafka.streams.processor.internals"/> |
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<Package name="org.apache.kafka.streams.processor"/> |
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<Package name="org.apache.kafka.streams"/> |
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</Or> |
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<Bug pattern="IS2_INCONSISTENT_SYNC"/> |
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</Match> |
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<Match> |
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<!-- Ignore a warning about synchronizing on an AtomicBoolean --> |
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<Package name="kafka.metrics"/> |
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<Source name="KafkaMetricsReporter.scala"/> |
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<Method name="startReporters"/> |
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<Bug pattern="JLM_JSR166_UTILCONCURRENT_MONITORENTER"/> |
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</Match> |
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<Match> |
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<!-- Ignore spurious warning about imbalanced synchronization on a cached Exception. Some accesses of the |
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variable must occur in synchronized blocks, while some need not, because of the nature of the producer. |
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This seems to throw the static checker off. --> |
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<Package name="org.apache.kafka.clients.producer" /> |
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<Source name="TransactionState.java" /> |
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<Bug pattern="IS2_INCONSISTENT_SYNC" /> |
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</Match> |
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<Match> |
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<!-- Suppress a spurious warning about an unreleased lock. --> |
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<Class name="kafka.utils.timer.SystemTimer"/> |
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<Method name="add"/> |
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<Bug pattern="UL_UNRELEASED_LOCK_EXCEPTION_PATH"/> |
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</Match> |
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<Match> |
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<!-- Suppress a warning about an intentional infinite loop. --> |
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<Package name="kafka.utils"/> |
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<Source name="Throttler.scala"/> |
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<Method name="main"/> |
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<Bug pattern="IL_INFINITE_LOOP"/> |
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</Match> |
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<Match> |
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<!-- Suppress a spurious warning about calling notify without modifying |
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other state under the monitor. --> |
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<Package name="org.apache.kafka.trogdor.workload"/> |
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<Source name="RoundTripWorker.java"/> |
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<Bug pattern="NN_NAKED_NOTIFY"/> |
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</Match> |
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<Match> |
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<Package name="org.apache.kafka.streams.scala"/> |
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<Source name="FunctionConversions.scala"/> |
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<Bug pattern="EQ_UNUSUAL"/> |
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</Match> |
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<Match> |
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<Package name="org.apache.kafka.streams.scala"/> |
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<Source name="FunctionsCompatConversions.scala"/> |
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<Bug pattern="EQ_UNUSUAL"/> |
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</Match> |
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- <Match> |
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<Package name="org.apache.kafka.streams.scala"/> |
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<Or> |
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<Class name="org.apache.kafka.streams.scala.Serializer" /> |
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<Class name="org.apache.kafka.streams.scala.Deserializer" /> |
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</Or> |
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<Bug pattern="NM_SAME_SIMPLE_NAME_AS_INTERFACE"/> |
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</Match> |
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<!-- Suppress warnings for unused members that are undetectably used by Jackson --> |
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<Match> |
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<Package name="org.apache.kafka.streams.examples.pageview"/> |
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<Bug pattern="NP_UNWRITTEN_PUBLIC_OR_PROTECTED_FIELD"/> |
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</Match> |
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<Match> |
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<Package name="org.apache.kafka.streams.examples.pageview"/> |
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<Bug pattern="URF_UNREAD_PUBLIC_OR_PROTECTED_FIELD"/> |
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</Match> |
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<Match> |
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<Package name="org.apache.kafka.streams.examples.pageview"/> |
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<Bug pattern="UWF_UNWRITTEN_PUBLIC_OR_PROTECTED_FIELD"/> |
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</Match> |
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<!-- END Suppress warnings for unused members that are undetectably used by Jackson --> |
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</FindBugsFilter>
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