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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-8426) Opening a region failed on "Metrics source RegionServer,sub=Regions already exists!"
Date Fri, 26 Apr 2013 00:16:18 GMT

    [ https://issues.apache.org/jira/browse/HBASE-8426?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13642414#comment-13642414
] 

Hadoop QA commented on HBASE-8426:
----------------------------------

{color:red}-1 overall{color}.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12580431/HBASE-8426-1.patch
  against trunk revision .

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

    {color:red}-1 tests included{color}.  The patch doesn't appear to include any new or modified
tests.
                        Please justify why no new tests are needed for this patch.
                        Also please list what manual steps were performed to verify this patch.

    {color:green}+1 hadoop1.0{color}.  The patch compiles against the hadoop 1.0 profile.

    {color:green}+1 hadoop2.0{color}.  The patch compiles against the hadoop 2.0 profile.

    {color:green}+1 javadoc{color}.  The javadoc tool did not generate any warning messages.

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

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

    {color:red}-1 release audit{color}.  The applied patch generated 1 release audit warnings
(more than the trunk's current 0 warnings).

    {color:green}+1 lineLengths{color}.  The patch does not introduce lines longer than 100

  {color:green}+1 site{color}.  The mvn site goal succeeds with this patch.

     {color:red}-1 core tests{color}.  The patch failed these unit tests:
                       org.apache.hadoop.hbase.backup.TestHFileArchiving

Test results: https://builds.apache.org/job/PreCommit-HBASE-Build/5458//testReport/
Release audit warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/5458//artifact/trunk/patchprocess/patchReleaseAuditProblems.txt
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/5458//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-protocol.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/5458//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-client.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/5458//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-examples.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/5458//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-hadoop1-compat.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/5458//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-prefix-tree.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/5458//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-common.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/5458//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-server.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/5458//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-hadoop-compat.html
Console output: https://builds.apache.org/job/PreCommit-HBASE-Build/5458//console

This message is automatically generated.
                
> Opening a region failed on "Metrics source RegionServer,sub=Regions already exists!"
> ------------------------------------------------------------------------------------
>
>                 Key: HBASE-8426
>                 URL: https://issues.apache.org/jira/browse/HBASE-8426
>             Project: HBase
>          Issue Type: Bug
>    Affects Versions: 0.95.0
>            Reporter: Jean-Daniel Cryans
>            Assignee: Elliott Clark
>            Priority: Critical
>             Fix For: 0.98.0, 0.95.1
>
>         Attachments: HBASE-8426-0.patch, HBASE-8426-1.patch, metrics_already_exist.txt
>
>
> I restarted a cluster on 0.95 (1ecd4c7e0b22bba75c76f2fc2ce369541502b6df) and some regions
failed to open on their first assignment on an exception like:
> {noformat}
> Caused by: org.apache.hadoop.metrics2.MetricsException: Metrics source RegionServer,sub=Regions
already exists!
> 	at org.apache.hadoop.metrics2.lib.DefaultMetricsSystem.newSourceName(DefaultMetricsSystem.java:126)
> 	at org.apache.hadoop.metrics2.lib.DefaultMetricsSystem.sourceName(DefaultMetricsSystem.java:107)
> 	at org.apache.hadoop.metrics2.impl.MetricsSystemImpl.register(MetricsSystemImpl.java:217)
> 	at org.apache.hadoop.hbase.metrics.BaseSourceImpl.<init>(BaseSourceImpl.java:75)
> 	at org.apache.hadoop.hbase.regionserver.MetricsRegionAggregateSourceImpl.<init>(MetricsRegionAggregateSourceImpl.java:49)
> 	at org.apache.hadoop.hbase.regionserver.MetricsRegionAggregateSourceImpl.<init>(MetricsRegionAggregateSourceImpl.java:41)
> 	at org.apache.hadoop.hbase.regionserver.MetricsRegionServerSourceFactoryImpl.getAggregate(MetricsRegionServerSourceFactoryImpl.java:33)
> 	at org.apache.hadoop.hbase.regionserver.MetricsRegionServerSourceFactoryImpl.createRegion(MetricsRegionServerSourceFactoryImpl.java:50)
> 	at org.apache.hadoop.hbase.regionserver.MetricsRegion.<init>(MetricsRegion.java:35)
> 	at org.apache.hadoop.hbase.regionserver.HRegion.<init>(HRegion.java:488)
> 	at org.apache.hadoop.hbase.regionserver.HRegion.<init>(HRegion.java:400)
> {noformat}
> I'm attaching a bigger log.

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