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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-7884) NullPointerException in BlockSender
Date Thu, 12 Mar 2015 23:15:39 GMT

    [ https://issues.apache.org/jira/browse/HDFS-7884?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14359595#comment-14359595
] 

Hadoop QA commented on HDFS-7884:
---------------------------------

{color:red}-1 overall{color}.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12704227/h7884_20150313.patch
  against trunk revision 6dae6d1.

    {color:green}+1 @author{color}.  The patch does not contain any @author tags.

    {color:green}+1 tests included{color}.  The patch appears to include 2 new or modified
test files.

    {color:green}+1 javac{color}.  The applied patch does not increase the total number of
javac compiler warnings.

    {color:green}+1 javadoc{color}.  There were no new javadoc warning messages.

    {color:green}+1 eclipse:eclipse{color}.  The patch built with eclipse:eclipse.

    {color:green}+1 findbugs{color}.  The patch does not introduce any new Findbugs (version
2.0.3) warnings.

    {color:green}+1 release audit{color}.  The applied patch does not increase the total number
of release audit warnings.

    {color:red}-1 core tests{color}.  The patch failed these unit tests in hadoop-hdfs-project/hadoop-hdfs:

                  org.apache.hadoop.hdfs.server.blockmanagement.TestDatanodeManager
                  org.apache.hadoop.hdfs.server.datanode.fsdataset.impl.TestScrLazyPersistFiles

Test results: https://builds.apache.org/job/PreCommit-HDFS-Build/9858//testReport/
Console output: https://builds.apache.org/job/PreCommit-HDFS-Build/9858//console

This message is automatically generated.

> NullPointerException in BlockSender
> -----------------------------------
>
>                 Key: HDFS-7884
>                 URL: https://issues.apache.org/jira/browse/HDFS-7884
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: datanode
>            Reporter: Tsz Wo Nicholas Sze
>            Assignee: Brahma Reddy Battula
>            Priority: Blocker
>         Attachments: HDFS-7884.patch, h7884_20150313.patch, org.apache.hadoop.hdfs.TestAppendSnapshotTruncate-output.txt
>
>
> {noformat}
> java.lang.NullPointerException
> 	at org.apache.hadoop.hdfs.server.datanode.BlockSender.<init>(BlockSender.java:264)
> 	at org.apache.hadoop.hdfs.server.datanode.DataXceiver.readBlock(DataXceiver.java:506)
> 	at org.apache.hadoop.hdfs.protocol.datatransfer.Receiver.opReadBlock(Receiver.java:116)
> 	at org.apache.hadoop.hdfs.protocol.datatransfer.Receiver.processOp(Receiver.java:71)
> 	at org.apache.hadoop.hdfs.server.datanode.DataXceiver.run(DataXceiver.java:249)
> 	at java.lang.Thread.run(Thread.java:745)
> {noformat}
> BlockSender.java:264 is shown below
> {code}
>       this.volumeRef = datanode.data.getVolume(block).obtainReference();
> {code}



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