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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-9151) HBCK cannot fix when meta server znode deleted, this can happen if all region servers stopped and there are no logs to split.
Date Fri, 20 Dec 2013 14:56:14 GMT

    [ https://issues.apache.org/jira/browse/HBASE-9151?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13854023#comment-13854023
] 

Hadoop QA commented on HBASE-9151:
----------------------------------

{color:red}-1 overall{color}.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12619761/HBASE-9151.patch
  against trunk revision .
  ATTACHMENT ID: 12619761

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

    {color:green}+1 tests included{color}.  The patch appears to include 3 new or modified
tests.

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

    {color:green}+1 hadoop1.1{color}.  The patch compiles against the hadoop 1.1 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:green}+1 release audit{color}.  The applied patch does not increase the total number
of release audit warnings.

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

    {color:red}-1 site{color}.  The patch appears to cause mvn site goal to fail.

     {color:red}-1 core tests{color}.  The patch failed these unit tests:
                       org.apache.hadoop.hbase.regionserver.TestRSKilledWhenInitializing
                  org.apache.hadoop.hbase.security.access.TestAccessController

     {color:red}-1 core zombie tests{color}.  There are 1 zombie test(s): 	at org.apache.hadoop.hbase.TestAcidGuarantees.testMixedAtomicity(TestAcidGuarantees.java:351)

Test results: https://builds.apache.org/job/PreCommit-HBASE-Build/8245//testReport/
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/8245//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-hadoop2-compat.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/8245//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-prefix-tree.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/8245//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-client.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/8245//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-common.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/8245//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-protocol.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/8245//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-server.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/8245//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-examples.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/8245//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-thrift.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/8245//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-hadoop-compat.html
Console output: https://builds.apache.org/job/PreCommit-HBASE-Build/8245//console

This message is automatically generated.

> HBCK cannot fix when meta server znode deleted, this can happen if all region servers
stopped and there are no logs to split.
> -----------------------------------------------------------------------------------------------------------------------------
>
>                 Key: HBASE-9151
>                 URL: https://issues.apache.org/jira/browse/HBASE-9151
>             Project: HBase
>          Issue Type: Bug
>          Components: hbck
>            Reporter: rajeshbabu
>            Assignee: rajeshbabu
>             Fix For: 0.98.0, 0.99.0
>
>         Attachments: HBASE-9151.patch
>
>
> When meta server znode deleted and meta in FAILED_OPEN state, then hbck cannot fix it.
This scenario can come when all region servers stopped by stop command and didnt start any
RS within 10 secs(with default configurations). 
> {code}
>   public void assignMeta() throws KeeperException {
>     MetaRegionTracker.deleteMetaLocation(this.watcher);
>     assign(HRegionInfo.FIRST_META_REGIONINFO, true);
>   }
> {code}



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