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Posted to common-issues@hadoop.apache.org by "ASF GitHub Bot (Jira)" <ji...@apache.org> on 2020/12/10 11:10:00 UTC
[jira] [Work logged] (HADOOP-17138) Fix spotbugs warnings surfaced
after upgrade to 4.0.6
[ https://issues.apache.org/jira/browse/HADOOP-17138?focusedWorklogId=522665&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-522665 ]
ASF GitHub Bot logged work on HADOOP-17138:
-------------------------------------------
Author: ASF GitHub Bot
Created on: 10/Dec/20 11:09
Start Date: 10/Dec/20 11:09
Worklog Time Spent: 10m
Work Description: aajisaka opened a new pull request #2538:
URL: https://github.com/apache/hadoop/pull/2538
…(#2155)
(cherry picked from commit 1b29c9bfeee0035dd042357038b963843169d44c)
Backport HADOOP-17138 to branch-3.3 to fix the findbugs warnings in hadoop-cos.
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Issue Time Tracking
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Worklog Id: (was: 522665)
Remaining Estimate: 0h
Time Spent: 10m
> 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
>
> Time Spent: 10m
> Remaining Estimate: 0h
>
> 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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