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https://issues.apache.org/jira/browse/HDFS-15026?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16986592#comment-16986592
 ] 

Hudson commented on HDFS-15026:
-------------------------------

SUCCESS: Integrated in Jenkins build Hadoop-trunk-Commit #17714 (See 
[https://builds.apache.org/job/Hadoop-trunk-Commit/17714/])
HDFS-15026. TestPendingReconstruction#testPendingReconstruction() fail 
(ayushsaxena: rev 0c217feed8acf98234d3367b24a475b620027bce)
* (edit) 
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/blockmanagement/TestPendingReconstruction.java


> TestPendingReconstruction#testPendingReconstruction() fail in trunk
> -------------------------------------------------------------------
>
>                 Key: HDFS-15026
>                 URL: https://issues.apache.org/jira/browse/HDFS-15026
>             Project: Hadoop HDFS
>          Issue Type: Bug
>            Reporter: Lisheng Sun
>            Assignee: Lisheng Sun
>            Priority: Minor
>             Fix For: 3.3.0
>
>         Attachments: HDFS-15026.001.patch, HDFS-15026.002.patch
>
>
> when run only a UT of TestPendingReconstruction#testPendingReconstruction(), 
> it will fail and throw NullPointerException.
> {code:java}
> 2019-12-02 16:02:54,887 
> [org.apache.hadoop.hdfs.server.blockmanagement.PendingReconstructionBlocks$PendingReconstructionMonitor@57baeedf]
>  WARN  blockmanagement.BlockManager 
> (PendingReconstructionBlocks.java:pendingReconstructionCheck(273)) - 
> PendingReconstructionMonitor timed out blk_0_02019-12-02 16:02:54,887 
> [org.apache.hadoop.hdfs.server.blockmanagement.PendingReconstructionBlocks$PendingReconstructionMonitor@57baeedf]
>  WARN  blockmanagement.BlockManager 
> (PendingReconstructionBlocks.java:pendingReconstructionCheck(273)) - 
> PendingReconstructionMonitor timed out blk_0_0Exception in thread 
> "org.apache.hadoop.hdfs.server.blockmanagement.PendingReconstructionBlocks$PendingReconstructionMonitor@57baeedf"
>  java.lang.NullPointerException at 
> org.apache.hadoop.hdfs.server.blockmanagement.PendingReconstructionBlocks$PendingReconstructionMonitor.pendingReconstructionCheck(PendingReconstructionBlocks.java:274)
>  at 
> org.apache.hadoop.hdfs.server.blockmanagement.PendingReconstructionBlocks$PendingReconstructionMonitor.run(PendingReconstructionBlocks.java:248)
>  at java.lang.Thread.run(Thread.java:748)
> {code}



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