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https://issues.apache.org/jira/browse/HADOOP-17138?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17162474#comment-17162474
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Hudson commented on HADOOP-17138:
---------------------------------
SUCCESS: Integrated in Jenkins build Hadoop-trunk-Commit #18462 (See
[https://builds.apache.org/job/Hadoop-trunk-Commit/18462/])
HADOOP-17138. Fix spotbugs warnings surfaced after upgrade to 4.0.6. (github:
rev 1b29c9bfeee0035dd042357038b963843169d44c)
* (edit)
hadoop-cloud-storage-project/hadoop-cos/dev-support/findbugs-exclude.xml
* (edit)
hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/ipc/Server.java
* (edit)
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/checker/ThrottledAsyncChecker.java
* (edit) hadoop-mapreduce-project/dev-support/findbugs-exclude.xml
* (edit) hadoop-yarn-project/hadoop-yarn/dev-support/findbugs-exclude.xml
* (edit)
hadoop-tools/hadoop-sls/src/main/java/org/apache/hadoop/yarn/sls/SLSRunner.java
* (edit)
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-timelineservice-hbase-tests/src/test/java/org/apache/hadoop/yarn/server/timelineservice/storage/TestTimelineReaderHBaseDown.java
* (edit)
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/checker/DatasetVolumeChecker.java
* (edit)
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSEditLogLoader.java
> Fix spotbugs warnings surfaced after upgrade to 4.0.6
> -----------------------------------------------------
>
> Key: HADOOP-17138
> URL: https://issues.apache.org/jira/browse/HADOOP-17138
> Project: Hadoop Common
> Issue Type: Bug
> Reporter: Masatake Iwasaki
> Assignee: Masatake Iwasaki
> Priority: Minor
> Fix For: 3.4.0
>
>
> Spotbugs 4.0.6 generated additional warnings.
> {noformat}
> $ find . -name findbugsXml.xml | xargs -n 1
> /opt/spotbugs-4.0.6/bin/convertXmlToText -longBugCodes
> M D DLS_DEAD_LOCAL_STORE DLS: Dead store to $L5 in
> org.apache.hadoop.ipc.Server$ConnectionManager.decrUserConnections(String)
> At Server.java:[line 3729]
> M D DLS_DEAD_LOCAL_STORE DLS: Dead store to $L5 in
> org.apache.hadoop.ipc.Server$ConnectionManager.incrUserConnections(String)
> At Server.java:[line 3717]
> H D NP_METHOD_PARAMETER_TIGHTENS_ANNOTATION NP: Method
> org.apache.hadoop.hdfs.server.datanode.checker.DatasetVolumeChecker$ResultHandler.onSuccess(Object)
> overrides the nullness annotation of parameter $L1 in an incompatible way
> At DatasetVolumeChecker.java:[line 322]
> H D NP_METHOD_PARAMETER_TIGHTENS_ANNOTATION NP: Method
> org.apache.hadoop.hdfs.server.datanode.checker.DatasetVolumeChecker$ResultHandler.onSuccess(VolumeCheckResult)
> overrides the nullness annotation of parameter result in an incompatible way
> At DatasetVolumeChecker.java:[lines 358-376]
> M D NP_METHOD_PARAMETER_TIGHTENS_ANNOTATION NP: Method
> org.apache.hadoop.hdfs.server.datanode.checker.ThrottledAsyncChecker$2.onSuccess(Object)
> overrides the nullness annotation of parameter result in an incompatible way
> At ThrottledAsyncChecker.java:[lines 170-175]
> M D DLS_DEAD_LOCAL_STORE DLS: Dead store to $L8 in
> org.apache.hadoop.hdfs.server.namenode.FSEditLogLoader.incrOpCount(FSEditLogOpCodes,
> EnumMap, Step, StartupProgress$Counter) At FSEditLogLoader.java:[line 1241]
> M D NP_PARAMETER_MUST_BE_NONNULL_BUT_MARKED_AS_NULLABLE NP: result must be
> non-null but is marked as nullable At LocatedFileStatusFetcher.java:[lines
> 380-397]
> M D NP_PARAMETER_MUST_BE_NONNULL_BUT_MARKED_AS_NULLABLE NP: result must be
> non-null but is marked as nullable At LocatedFileStatusFetcher.java:[lines
> 291-309]
> M D DLS_DEAD_LOCAL_STORE DLS: Dead store to $L6 in
> org.apache.hadoop.yarn.sls.SLSRunner.increaseQueueAppNum(String) At
> SLSRunner.java:[line 816]
> H C UMAC_UNCALLABLE_METHOD_OF_ANONYMOUS_CLASS UMAC: Uncallable method
> org.apache.hadoop.yarn.server.timelineservice.reader.TestTimelineReaderWebServicesHBaseStorage$1.getInstance()
> defined in anonymous class At
> TestTimelineReaderWebServicesHBaseStorage.java:[line 87]
> M D DLS_DEAD_LOCAL_STORE DLS: Dead store to entities in
> org.apache.hadoop.yarn.server.timelineservice.storage.TestTimelineReaderHBaseDown.checkQuery(HBaseTimelineReaderImpl)
> At TestTimelineReaderHBaseDown.java:[line 190]
> M V EI_EXPOSE_REP EI:
> org.apache.hadoop.fs.cosn.CosNInputStream$ReadBuffer.getBuffer() may expose
> internal representation by returning CosNInputStream$ReadBuffer.buffer At
> CosNInputStream.java:[line 87]
> {noformat}
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