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From "Chris Nauroth (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (HDFS-9404) Findbugs issue reported in BlockRecoveryWorker$RecoveryTaskContiguous.recover()
Date Mon, 09 Nov 2015 22:10:11 GMT

     [ https://issues.apache.org/jira/browse/HDFS-9404?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Chris Nauroth resolved HDFS-9404.
    Resolution: Duplicate

Hi [~yzhangal].  This is tracked in HDFS-9401.  Thanks!

> Findbugs issue reported in BlockRecoveryWorker$RecoveryTaskContiguous.recover()
> -------------------------------------------------------------------------------
>                 Key: HDFS-9404
>                 URL: https://issues.apache.org/jira/browse/HDFS-9404
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: HDFS
>            Reporter: Yongjun Zhang
> https://builds.apache.org/job/PreCommit-HDFS-Build/13431/artifact/patchprocess/branch-findbugs-hadoop-hdfs-project_hadoop-hdfs-warnings.html
> Reported:
> Code	Warning
> EC	Call to org.apache.hadoop.hdfs.server.protocol.DatanodeRegistration.equals(org.apache.hadoop.hdfs.protocol.DatanodeInfo)
in org.apache.hadoop.hdfs.server.datanode.BlockRecoveryWorker$RecoveryTaskContiguous.recover()
> Details
> EC_UNRELATED_TYPES: Call to equals() comparing different types
> This method calls equals(Object) on two references of different class types and analysis
suggests they will be to objects of different classes at runtime. Further, examination of
the equals methods that would be invoked suggest that either this call will always return
false, or else the equals method is not be symmetric (which is a property required by the
contract for equals in class Object).

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