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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-2418) [hbase] Fix assertion failures in TestTableMapReduce, TestTableIndex, and TestTableJoinMapReduce
Date Thu, 13 Dec 2007 21:17:43 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-2418?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12551607

Hadoop QA commented on HADOOP-2418:

+1 overall.  Here are the results of testing the latest attachment 
against trunk revision r604011.

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

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

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

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

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

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

Test results: http://lucene.zones.apache.org:8080/hudson/job/Hadoop-Patch/1339/testReport/
Findbugs warnings: http://lucene.zones.apache.org:8080/hudson/job/Hadoop-Patch/1339/artifact/trunk/build/test/findbugs/newPatchFindbugsWarnings.html
Checkstyle results: http://lucene.zones.apache.org:8080/hudson/job/Hadoop-Patch/1339/artifact/trunk/build/test/checkstyle-errors.html
Console output: http://lucene.zones.apache.org:8080/hudson/job/Hadoop-Patch/1339/console

This message is automatically generated.

> [hbase] Fix assertion failures in TestTableMapReduce, TestTableIndex, and TestTableJoinMapReduce
> ------------------------------------------------------------------------------------------------
>                 Key: HADOOP-2418
>                 URL: https://issues.apache.org/jira/browse/HADOOP-2418
>             Project: Hadoop
>          Issue Type: Bug
>          Components: contrib/hbase
>    Affects Versions: 0.16.0
>            Reporter: Jim Kellerman
>            Assignee: Jim Kellerman
>             Fix For: 0.16.0
>         Attachments: patch.txt
> There is a race condition in TestTableMapReduce, TestTableIndex and TestTableJoinMapReduce
that sometimes causes the tests to fail when they verify the results. If the scanner is opened
before all the writes to the table complete, the results will not be seen by the scanner because
it snapshots the memcache as of the time it is instantiated.

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