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From "Hadoop QA (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-3037) TestMulitipleNNDataBlockScanner#testBlockScannerAfterRestart is racy
Date Thu, 01 Mar 2012 23:54:58 GMT

    [ https://issues.apache.org/jira/browse/HDFS-3037?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13220498#comment-13220498

Hadoop QA commented on HDFS-3037:

-1 overall.  Here are the results of testing the latest attachment 
  against trunk revision .

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

    +1 tests included.  The patch appears to include 3 new or modified tests.

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

    +1 javac.  The applied patch does not increase the total number of javac compiler warnings.

    +1 eclipse:eclipse.  The patch built with eclipse:eclipse.

    -1 findbugs.  The patch appears to introduce 1 new Findbugs (version 1.3.9) warnings.

    +1 release audit.  The applied patch does not increase the total number of release audit

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

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

Test results: https://builds.apache.org/job/PreCommit-HDFS-Build/1936//testReport/
Findbugs warnings: https://builds.apache.org/job/PreCommit-HDFS-Build/1936//artifact/trunk/hadoop-hdfs-project/patchprocess/newPatchFindbugsWarningshadoop-hdfs.html
Console output: https://builds.apache.org/job/PreCommit-HDFS-Build/1936//console

This message is automatically generated.
> TestMulitipleNNDataBlockScanner#testBlockScannerAfterRestart is racy
> --------------------------------------------------------------------
>                 Key: HDFS-3037
>                 URL: https://issues.apache.org/jira/browse/HDFS-3037
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: test
>    Affects Versions: 0.24.0
>            Reporter: Aaron T. Myers
>            Assignee: Aaron T. Myers
>            Priority: Minor
>         Attachments: HDFS-3037.patch
> In this test, we restart a DN in a running cluster, call MiniDFS#waitActive, and then
assert some things about the DN. Trouble is, MiniDFSCluster#waitActive won't wait any time
at all, since the DN had previously registered with the NN and the NN never had time to realize
the DN was dead.

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