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hadoop/hadoop-mapreduce-project/dev-support/findbugs-exclude.xml
Akira Ajisaka 71bda1a2e8
HADOOP-17138. Fix spotbugs warnings surfaced after upgrade to 4.0.6. (#2155) (#2538) 
(cherry picked from commit 1b29c9bfee)

Co-authored-by: Masatake Iwasaki <iwasakims@apache.org>
2020-12-11 13:58:02 +09:00

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<!--
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.
-->
<FindBugsFilter>
<Match>
<Package name="org.apache.hadoop.record.compiler.generated" />
</Match>
<Match>
<Bug pattern="EI_EXPOSE_REP" />
</Match>
<Match>
<Bug pattern="EI_EXPOSE_REP2" />
</Match>
<Match>
<Bug pattern="SE_COMPARATOR_SHOULD_BE_SERIALIZABLE" />
</Match>
<Match>
<Class name="~.*_jsp" />
<Bug pattern="DLS_DEAD_LOCAL_STORE" />
</Match>
<Match>
<Class name="~.*_jspx" />
<Bug pattern="DLS_DEAD_LOCAL_STORE" />
</Match>
<Match>
<Field name="_jspx_dependants" />
<Bug pattern="UWF_UNWRITTEN_FIELD" />
</Match>
<!--
Inconsistent synchronization for Client.Connection.out is
is intentional to make a connection to be closed instantly.
-->
<Match>
<Class name="org.apache.hadoop.ipc.Client$Connection" />
<Field name="out" />
<Bug pattern="IS2_INCONSISTENT_SYNC" />
</Match>
<!--
Ignore Cross Scripting Vulnerabilities
-->
<Match>
<Package name="~org.apache.hadoop.mapred.*" />
<Bug code="XSS" />
</Match>
<Match>
<Class name="org.apache.hadoop.mapred.taskdetails_jsp" />
<Bug code="HRS" />
</Match>
<Match>
<Class name="org.apache.hadoop.mapred.jobdetails_jsp"/>
<Bug pattern="HRS_REQUEST_PARAMETER_TO_HTTP_HEADER"/>
</Match>
<Match>
<Class name="org.apache.hadoop.mapred.taskstats_jsp"/>
<Bug pattern="HRS_REQUEST_PARAMETER_TO_HTTP_HEADER"/>
</Match>
<Match>
<Class name="org.apache.hadoop.mapred.jobtasks_jsp"/>
<Bug pattern="HRS_REQUEST_PARAMETER_TO_HTTP_HEADER"/>
</Match>
<!--
Ignore warnings where child class has the same name as
super class. Classes based on Old API shadow names from
new API. Should go off after HADOOP-1.0
-->
<Match>
<Class name="~org.apache.hadoop.mapred.*" />
<Bug pattern="NM_SAME_SIMPLE_NAME_AS_SUPERCLASS" />
</Match>
<Match>
<Class name="~org.apache.hadoop.mapred.*" />
<Bug pattern="NM_SAME_SIMPLE_NAME_AS_INTERFACE" />
</Match>
<Match>
<Class name="~org.apache.hadoop.mapred.lib.aggregate.*" />
<Bug pattern="NM_SAME_SIMPLE_NAME_AS_INTERFACE" />
</Match>
<Match>
<Class name="~org.apache.hadoop.mapred.join.*" />
<Bug pattern="NM_SAME_SIMPLE_NAME_AS_INTERFACE" />
</Match>
<Match>
<Class name="org.apache.hadoop.mapred.SequenceFileInputFilter$Filter" />
<Bug pattern="NM_SAME_SIMPLE_NAME_AS_INTERFACE" />
</Match>
<Match>
<Class name="~org.apache.hadoop.util.*" />
<Bug pattern="NM_SAME_SIMPLE_NAME_AS_SUPERCLASS" />
</Match>
<Match>
<Class name="~org.apache.hadoop.filecache.*" />
<Bug pattern="NM_SAME_SIMPLE_NAME_AS_SUPERCLASS" />
</Match>
<!--
Ignore warnings for usage of System.exit. This is
required and have been well thought out
-->
<Match>
<Class name="org.apache.hadoop.mapred.Child$2" />
<Method name="run" />
<Bug pattern="DM_EXIT" />
</Match>
<Match>
<Class name="org.apache.hadoop.mapred.JobTracker" />
<Method name="addHostToNodeMapping" />
<Bug pattern="DM_EXIT" />
</Match>
<Match>
<Class name="org.apache.hadoop.mapred.Task" />
<Or>
<Method name="done" />
<Method name="commit" />
<Method name="statusUpdate" />
</Or>
<Bug pattern="DM_EXIT" />
</Match>
<Match>
<Class name="org.apache.hadoop.mapred.JobTracker" />
<Field name="clock" />
<Bug pattern="ST_WRITE_TO_STATIC_FROM_INSTANCE_METHOD" />
</Match>
<Match>
<Class name="org.apache.hadoop.mapred.Task$TaskReporter" />
<Method name="run" />
<Bug pattern="DM_EXIT" />
</Match>
<!--
We need to cast objects between old and new api objects
-->
<Match>
<Class name="org.apache.hadoop.mapred.OutputCommitter" />
<Bug pattern="BC_UNCONFIRMED_CAST" />
</Match>
<!--
We intentionally do the get name from the inner class
-->
<Match>
<Class name="org.apache.hadoop.mapred.TaskTracker$MapEventsFetcherThread" />
<Method name="run" />
<Bug pattern="IA_AMBIGUOUS_INVOCATION_OF_INHERITED_OR_OUTER_METHOD" />
</Match>
<Match>
<Class name="org.apache.hadoop.mapred.FileOutputCommitter" />
<Or>
<Method name="commitJob" />
<Method name="recoverTask" />
<Method name="isRecoverySupported" />
<Method name="isCommitJobRepeatable" />
</Or>
<Bug pattern="NM_WRONG_PACKAGE" />
</Match>
<Match>
<Class name="org.apache.hadoop.mapred.OutputCommitter" />
<Or>
<Method name="abortJob" />
<Method name="commitJob" />
<Method name="cleanupJob" />
<Method name="recoverTask" />
<Method name="isRecoverySupported" />
<Method name="isCommitJobRepeatable" />
</Or>
<Bug pattern="NM_WRONG_PACKAGE_INTENTIONAL" />
</Match>
<Match>
<Class name="org.apache.hadoop.mapred.TaskCompletionEvent" />
<Or>
<Method name="setTaskStatus" />
<Method name="setTaskAttemptId" />
</Or>
<Bug pattern="NM_WRONG_PACKAGE" />
</Match>
<Match>
<Class name="org.apache.hadoop.mapred.lib.db.DBInputFormat$DBRecordReader" />
<Method name="next" />
<Bug pattern="NM_WRONG_PACKAGE_INTENTIONAL" />
</Match>
<!--
Ignoring this warning as resolving this would need a non-trivial change in code
-->
<Match>
<Class name="org.apache.hadoop.mapred.lib.aggregate.ValueAggregatorBaseDescriptor" />
<Method name="configure" />
<Field name="maxNumItems" />
<Bug pattern="ST_WRITE_TO_STATIC_FROM_INSTANCE_METHOD" />
</Match>
<!--
Comes from org.apache.jasper.runtime.ResourceInjector. Cannot do much.
-->
<Match>
<Class name="org.apache.hadoop.mapred.jobqueue_005fdetails_jsp" />
<Field name="_jspx_resourceInjector" />
<Bug pattern="SE_BAD_FIELD" />
</Match>
<!--
Storing textInputFormat and then passing it as a parameter. Safe to ignore.
-->
<Match>
<Class name="org.apache.hadoop.mapred.lib.aggregate.ValueAggregatorJob" />
<Method name="createValueAggregatorJob" />
<Bug pattern="DLS_DEAD_STORE_OF_CLASS_LITERAL" />
</Match>
<!--
Can remove this after the upgrade to findbugs1.3.8
-->
<Match>
<Class name="org.apache.hadoop.mapred.lib.db.DBInputFormat" />
<Method name="getSplits" />
<Bug pattern="DLS_DEAD_LOCAL_STORE" />
</Match>
<!--
org.apache.hadoop.mapred.IndexCache is thread-safe. It does not need
synchronous access.
-->
<Match>
<Class name="org.apache.hadoop.mapred.TaskTracker" />
<Field name="indexCache" />
<Bug pattern="IS2_INCONSISTENT_SYNC" />
</Match>
<!--
None of the following variables should be referenced by any thread
but the collection thread in MapTask
-->
<Match>
<Class name="org.apache.hadoop.mapred.MapTask$MapOutputBuffer" />
<Field name="kvindex" />
<Bug pattern="IS2_INCONSISTENT_SYNC" />
</Match>
<Match>
<Class name="org.apache.hadoop.mapred.MapTask$MapOutputBuffer" />
<Field name="bufferRemaining" />
<Bug pattern="IS2_INCONSISTENT_SYNC" />
</Match>
<Match>
<Class name="org.apache.hadoop.mapred.MapTask$MapOutputBuffer" />
<Field name="equator" />
<Bug pattern="IS2_INCONSISTENT_SYNC" />
</Match>
<!-- This is spurious. -->
<Match>
<Class name="org.apache.hadoop.mapred.MapTask$MapOutputBuffer$SpillThread" />
<Method name="run" />
<Bug pattern="UL_UNRELEASED_LOCK_EXCEPTION_PATH" />
</Match>
<Match>
<Class name="org.apache.hadoop.mapreduce.task.reduce.MergeThread" />
<Field name="inputs" />
<Bug pattern="IS2_INCONSISTENT_SYNC" />
</Match>
<Match>
<Class name="org.apache.hadoop.mapred.JobTracker" />
<Method name="updateTaskTrackerStatus" />
<Bug pattern="DLS_DEAD_LOCAL_STORE" />
</Match>
<!--
This class is unlikely to get subclassed, so ignore
-->
<Match>
<Class name="org.apache.hadoop.mapreduce.task.reduce.MergeManagerImpl" />
<Bug pattern="SC_START_IN_CTOR" />
</Match>
<!--
This class is unlikely to get subclassed, so ignore
-->
<Match>
<Class name="org.apache.hadoop.mapreduce.task.reduce.ShuffleSchedulerImpl" />
<Bug pattern="SC_START_IN_CTOR" />
</Match>
<!--
Do not bother if equals is not implemented. We will not need it here
-->
<Match>
<Class name="org.apache.hadoop.mapreduce.task.reduce.ShuffleSchedulerImpl$Penalty" />
<Bug pattern="EQ_COMPARETO_USE_OBJECT_EQUALS" />
</Match>
<Match>
<Class name="org.apache.hadoop.mapred.Task" />
<Method name="reportFatalError" />
<Bug pattern="DM_EXIT" />
</Match>
<!--
core changes
-->
<Match>
<Class name="~org.apache.hadoop.*" />
<Bug code="MS" />
</Match>
<Match>
<Class name="org.apache.hadoop.fs.FileSystem" />
<Method name="checkPath" />
<Bug pattern="ES_COMPARING_STRINGS_WITH_EQ" />
</Match>
<Match>
<Class name="org.apache.hadoop.fs.kfs.KFSOutputStream" />
<Field name="path" />
<Bug pattern="URF_UNREAD_FIELD" />
</Match>
<Match>
<Class name="org.apache.hadoop.fs.kfs.KosmosFileSystem" />
<Method name="initialize" />
<Bug pattern="DM_EXIT" />
</Match>
<Match>
<Class name="org.apache.hadoop.io.Closeable" />
<Bug pattern="NM_SAME_SIMPLE_NAME_AS_INTERFACE" />
</Match>
<Match>
<Class name="org.apache.hadoop.security.AccessControlException" />
<Bug pattern="NM_SAME_SIMPLE_NAME_AS_SUPERCLASS" />
</Match>
<Match>
<Class name="org.apache.hadoop.record.meta.Utils" />
<Method name="skip" />
<Bug pattern="BC_UNCONFIRMED_CAST" />
</Match>
<!--
The compareTo method is actually a dummy method that just
throws excpetions. So, no need to override equals. Ignore
-->
<Match>
<Class name="org.apache.hadoop.record.meta.RecordTypeInfo" />
<Bug pattern="EQ_COMPARETO_USE_OBJECT_EQUALS" />
</Match>
<Match>
<Class name="org.apache.hadoop.util.ProcfsBasedProcessTree" />
<Bug pattern="DMI_HARDCODED_ABSOLUTE_FILENAME" />
</Match>
<!--
Streaming, Examples
-->
<Match>
<Class name="org.apache.hadoop.streaming.StreamUtil$TaskId" />
<Bug pattern="URF_UNREAD_FIELD" />
</Match>
<Match>
<Class name="org.apache.hadoop.examples.DBCountPageView" />
<Method name="verify" />
<Bug pattern="OBL_UNSATISFIED_OBLIGATION" />
</Match>
<Match>
<Class name="org.apache.hadoop.examples.ContextFactory" />
<Method name="setAttributes" />
<Bug pattern="OBL_UNSATISFIED_OBLIGATION" />
</Match>
<Match>
<Class name="org.apache.hadoop.mapred.TaskScheduler$QueueRefresher" />
<Bug pattern="SIC_INNER_SHOULD_BE_STATIC" />
</Match>
<Match>
<Class name="org.apache.hadoop.examples.terasort.TeraInputFormat$1" />
<Method name="run" />
<Bug pattern="DM_EXIT" />
</Match>
<Match>
<Class name="org.apache.hadoop.examples.terasort.TeraOutputFormat$TeraOutputCommitter"/>
<Bug pattern="NM_WRONG_PACKAGE_INTENTIONAL" />
</Match>
<Match>
<Class name="org.apache.hadoop.examples.terasort.Unsigned16" />
<Method name="getHexDigit"/>
<Bug pattern="ICAST_QUESTIONABLE_UNSIGNED_RIGHT_SHIFT" />
</Match>
<!--
False positive of FindBugs complaining that initializationPoller and
started were accessed through
CapacitySchedulerQueueRefresher.refreshQueues without explicitly holding
the lock of CapacityTaskScheduler. The lock is in fact acquired by
JobTracker prior to calling QueueManager.refereshQueues - this is
necessary to ensure the order of locking (TaskScheduler ->
QueueManager).
-->
<Match>
<Class name="org.apache.hadoop.mapred.CapacityTaskScheduler" />
<Field name="initializationPoller" />
<Bug pattern="IS2_INCONSISTENT_SYNC" />
</Match>
<Match>
<Class name="org.apache.hadoop.mapred.CapacityTaskScheduler" />
<Field name="started" />
<Bug pattern="IS2_INCONSISTENT_SYNC" />
</Match>
<!-- Yarn excludes -->
<Match>
<Class name="org.apache.hadoop.mapreduce.v2.app.job.impl.TaskAttemptImpl" />
<Method name="computeSlotMillis" />
<Bug pattern="DB_DUPLICATE_BRACHES" />
</Match>
<Match>
<Class name="org.apache.hadoop.mapreduce.v2.app.MRAppMaster$1" />
<Bug pattern="DM_EXIT" />
</Match>
<Match>
<Class name="org.apache.hadoop.mapred.LocalContainerLauncher$SubtaskRunner" />
<Bug pattern="DM_EXIT" />
</Match>
<Match>
<Class name="~org\.apache\.hadoop\.mapreduce\.v2\.app\.job\.impl\.TaskImpl.*" />
<Bug pattern="BC_UNCONFIRMED_CAST" />
</Match>
<Match>
<Class name="~org\.apache\.hadoop\.mapreduce\.v2\.app\.job\.impl\.JobImpl.*" />
<Bug pattern="BC_UNCONFIRMED_CAST" />
</Match>
<Match>
<Class name="~org\.apache\.hadoop\.mapreduce\.v2\.app\.job\.impl\.TaskAttemptImpl.*" />
<Bug pattern="BC_UNCONFIRMED_CAST" />
</Match>
<Match>
<Class name="~org\.apache\.hadoop\.mapreduce\.v2\.app\.recover\.RecoveryService" />
<Bug pattern="BC_UNCONFIRMED_CAST" />
</Match>
<Match>
<Class name="~org\.apache\.hadoop\.mapreduce\.v2\.app\.rm\.RMContainerAllocator" />
<Bug pattern="BC_UNCONFIRMED_CAST" />
</Match>
<Match>
<Class name="org.apache.hadoop.mapreduce.v2.app.job.impl.TaskAttemptImpl" />
<Method name="computeSlotMillis" />
<Bug pattern="DB_DUPLICATE_BRANCHES" />
</Match>
<Match>
<Package name="org.apache.hadoop.yarn.proto" />
</Match>
<Match>
<Package name="org.apache.hadoop.mapreduce.v2.hs.proto" />
</Match>
<Match>
<Class name="~org\.apache\.hadoop\.mapreduce\.v2\.proto.*" />
</Match>
<Match>
<Package name="org.apache.hadoop.mapred.proto" />
</Match>
<!--
The below fields are accessed locally and only via methods that are synchronized.
-->
<Match>
<Class name="org.apache.hadoop.mapreduce.v2.app.rm.RMContainerAllocator" />
<Or>
<Field name="mapResourceRequest" />
<Field name="reduceResourceRequest" />
<Field name="maxReduceRampupLimit" />
<Field name="reduceSlowStart" />
<Field name="reduceNodeLabelExpression" />
</Or>
<Bug pattern="IS2_INCONSISTENT_SYNC" />
</Match>
<Match>
<Class name="org.apache.hadoop.mapreduce.v2.app.local.LocalContainerAllocator" />
<Or>
<Field name="retryInterval" />
<Field name="retrystartTime" />
</Or>
<Bug pattern="IS2_INCONSISTENT_SYNC" />
</Match>
<Match>
<Class name="org.apache.hadoop.mapreduce.v2.app.commit.CommitterEventHandler" />
<Field name="commitThreadCancelTimeoutMs" />
<Bug pattern="IS2_INCONSISTENT_SYNC" />
</Match>
<Match>
<Class name="org.apache.hadoop.mapred.ShuffleHandler" />
<Field name="sslFileBufferSize" />
<Bug pattern="IS2_INCONSISTENT_SYNC" />
</Match>
<Match>
<Class name="org.apache.hadoop.mapred.ClientServiceDelegate" />
<Method name="invoke" />
<Bug pattern="SWL_SLEEP_WITH_LOCK_HELD" />
</Match>
<Match>
<Class name="org.apache.hadoop.mapreduce.util.ProcessTree" />
<Method name="sendSignal" />
<Bug pattern="NP_GUARANTEED_DEREF_ON_EXCEPTION_PATH" />
</Match>
<Match>
<Class name="org.apache.hadoop.mapreduce.util.ProcessTree" />
<Method name="isSetsidSupported" />
<Bug pattern="NP_GUARANTEED_DEREF_ON_EXCEPTION_PATH" />
</Match>
<Match>
<Class name="org.apache.hadoop.mapreduce.util.ProcessTree" />
<Method name="isSetsidSupported" />
<Bug pattern="NP_NULL_ON_SOME_PATH_EXCEPTION" />
</Match>
<Match>
<Class name="org.apache.hadoop.mapreduce.v2.hs.CachedHistoryStorage$1" />
<Bug pattern="SE_BAD_FIELD_INNER_CLASS" />
</Match>
<!--
HADOOP-17138: Suppress warnings about unchecked Nullable
since the methoad catches NullPointerException then registerError.
-->
<Match>
<Or>
<Class name="org.apache.hadoop.mapred.LocatedFileStatusFetcher$ProcessInputDirCallback" />
<Class name="org.apache.hadoop.mapred.LocatedFileStatusFetcher$ProcessInitialInputPathCallback" />
</Or>
<Method name="onSuccess" />
<Bug pattern="NP_PARAMETER_MUST_BE_NONNULL_BUT_MARKED_AS_NULLABLE" />
</Match>
</FindBugsFilter>
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