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Date: Thu, 14 Feb 2008 12:57:08 -0800 (PST)
From: "Hadoop QA (JIRA)" <jira@apache.org>
To: core-dev@hadoop.apache.org
Subject: [jira] Commented: (HADOOP-2814) NPE in datanode during
 TestDataTransferProtocol.
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    [ https://issues.apache.org/jira/browse/HADOOP-2814?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12569083#action_12569083 ] 

Hadoop QA commented on HADOOP-2814:
-----------------------------------

-1 overall.  Here are the results of testing the latest attachment 
http://issues.apache.org/jira/secure/attachment/12375538/HADOOP-2814.patch
against trunk revision 619744.

    @author +1.  The patch does not contain any @author tags.

    tests included -1.  The patch doesn't appear to include any new or modified tests.
                        Please justify why no tests are needed for this patch.

    javadoc +1.  The javadoc tool did not generate any warning messages.

    javac +1.  The applied patch does not generate any new javac compiler warnings.

    release audit +1.  The applied patch does not generate any new release audit warnings.

    findbugs +1.  The patch does not introduce any new Findbugs warnings.

    core tests -1.  The patch failed core unit tests.

    contrib tests +1.  The patch passed contrib unit tests.

Test results: http://hudson.zones.apache.org/hudson/job/Hadoop-Patch/1799/testReport/
Findbugs warnings: http://hudson.zones.apache.org/hudson/job/Hadoop-Patch/1799/artifact/trunk/build/test/findbugs/newPatchFindbugsWarnings.html
Checkstyle results: http://hudson.zones.apache.org/hudson/job/Hadoop-Patch/1799/artifact/trunk/build/test/checkstyle-errors.html
Console output: http://hudson.zones.apache.org/hudson/job/Hadoop-Patch/1799/console

This message is automatically generated.

> NPE in datanode during TestDataTransferProtocol.
> ------------------------------------------------
>
>                 Key: HADOOP-2814
>                 URL: https://issues.apache.org/jira/browse/HADOOP-2814
>             Project: Hadoop Core
>          Issue Type: Bug
>          Components: dfs
>    Affects Versions: 0.16.0
>            Reporter: Raghu Angadi
>            Assignee: Raghu Angadi
>             Fix For: 0.16.1
>
>         Attachments: HADOOP-2814.patch
>
>
> The test passes. But there is an NPE in datanode (using branch-0.16) :
> {noformat}
> ...
> 2008-02-13 21:25:37,534 INFO  dfs.TestDataTransferProtocol (TestDataTransferProtocol.java:sendRecvData(71)) - Testing : wrong bytesPerChecksum while writing
> 2008-02-13 21:25:37,535 INFO  dfs.DataNode (DataNode.java:writeBlock(1048)) - Receiving block blk_7408940144175038455 src: /127.0.0.1:4964
> 6 dest: /127.0.0.1:49637
> 2008-02-13 21:25:37,536 ERROR dfs.DataNode (DataNode.java:run(961)) - 127.0.0.1:49637:DataXceiver: java.lang.NullPointerException
>         at org.apache.hadoop.dfs.DataNode$BlockReceiver.close(DataNode.java:2001)
>         at org.apache.hadoop.io.IOUtils.closeStream(IOUtils.java:131)
>         at org.apache.hadoop.dfs.DataNode$BlockReceiver.<init>(DataNode.java:1993)
>         at org.apache.hadoop.dfs.DataNode$DataXceiver.writeBlock(DataNode.java:1074)
>         at org.apache.hadoop.dfs.DataNode$DataXceiver.run(DataNode.java:938)
>         at java.lang.Thread.run(Thread.java:595)
> 2008-02-13 21:25:37,537 INFO  dfs.TestDataTransferProtocol (TestDataTransferProtocol.java:sendRecvData(87)) - Got EOF as expected.
> ...
> {noformat}

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