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https://issues.apache.org/jira/browse/HADOOP-2688?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12561939#action_12561939
 ] 

Hadoop QA commented on HADOOP-2688:
-----------------------------------

+1 overall.  Here are the results of testing the latest attachment 
http://issues.apache.org/jira/secure/attachment/12373877/emptywritable-v2.patch
against trunk revision 614721.

    @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://hudson.zones.apache.org/hudson/job/Hadoop-Patch/1658/testReport/
Findbugs warnings: 
http://hudson.zones.apache.org/hudson/job/Hadoop-Patch/1658/artifact/trunk/build/test/findbugs/newPatchFindbugsWarnings.html
Checkstyle results: 
http://hudson.zones.apache.org/hudson/job/Hadoop-Patch/1658/artifact/trunk/build/test/checkstyle-errors.html
Console output: 
http://hudson.zones.apache.org/hudson/job/Hadoop-Patch/1658/console

This message is automatically generated.

> [hbase] IllegalArgumentException processing a shutdown stops server going 
> down and results in millions of lines of output
> -------------------------------------------------------------------------------------------------------------------------
>
>                 Key: HADOOP-2688
>                 URL: https://issues.apache.org/jira/browse/HADOOP-2688
>             Project: Hadoop Core
>          Issue Type: Bug
>          Components: contrib/hbase
>            Reporter: stack
>            Assignee: stack
>            Priority: Blocker
>             Fix For: 0.16.0
>
>         Attachments: emptywritable-v2.patch, emptywritable.patch
>
>
> {code}
> 2008-01-23 02:38:54,537 WARN org.apache.hadoop.hbase.HMaster: Processing 
> pending operations: ProcessServerShutdown of XX.XX.XX.128:60020
> java.lang.IllegalArgumentException: Can't build a writable with empty bytes 
> array
>         at 
> org.apache.hadoop.hbase.util.Writables.getWritable(Writables.java:81)
>         at 
> org.apache.hadoop.hbase.HMaster$ProcessServerShutdown.scanMetaRegion(HMaster.java:2045)
>         at 
> org.apache.hadoop.hbase.HMaster$ProcessServerShutdown.process(HMaster.java:2230)
>         at org.apache.hadoop.hbase.HMaster.run(HMaster.java:1059)
> {code}

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