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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-10809) HBaseAdmin#deleteTable fails when META region happen to move around same time
Date Sat, 22 Mar 2014 00:20:46 GMT

    [ https://issues.apache.org/jira/browse/HBASE-10809?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13943777#comment-13943777
] 

Hadoop QA commented on HBASE-10809:
-----------------------------------

{color:red}-1 overall{color}.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12636115/hbase-10809.patch
  against trunk revision .
  ATTACHMENT ID: 12636115

    {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 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: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.coprocessor.TestRowProcessorEndpoint

Test results: https://builds.apache.org/job/PreCommit-HBASE-Build/9072//testReport/
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/9072//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-hadoop2-compat.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/9072//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-prefix-tree.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/9072//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-client.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/9072//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-common.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/9072//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-protocol.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/9072//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-server.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/9072//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-examples.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/9072//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-thrift.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/9072//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-hadoop-compat.html
Console output: https://builds.apache.org/job/PreCommit-HBASE-Build/9072//console

This message is automatically generated.

> HBaseAdmin#deleteTable fails when META region happen to move around same time
> -----------------------------------------------------------------------------
>
>                 Key: HBASE-10809
>                 URL: https://issues.apache.org/jira/browse/HBASE-10809
>             Project: HBase
>          Issue Type: Bug
>    Affects Versions: 0.98.0, 0.96.1, 0.99.0
>            Reporter: Jeffrey Zhong
>            Assignee: Jeffrey Zhong
>         Attachments: hbase-10809.patch
>
>
> The issue is that in the retry loop, we never refetch the latest meta location. So if
meta starts to move right after the function get Meta server location, the delete table eventually
may fail with {code}org.apache.hadoop.hbase.NotServingRegionException: Region hbase:meta,,1
is not online{code}
> Below is the stack trace:
> {code}
> 2014-01-31 04:02:41,943|beaver.machine|INFO|Caused by: org.apache.hadoop.hbase.ipc.RemoteWithExtrasException(org.apache.hadoop.hbase.NotServingRegionException):
org.apache.hadoop.hbase.NotServingRegionException: Region hbase:meta,,1 is not online
> 2014-01-31 04:02:41,943|beaver.machine|INFO|at org.apache.hadoop.hbase.regionserver.HRegionServer.getRegionByEncodedName(HRegionServer.java:2585)
> 2014-01-31 04:02:41,943|beaver.machine|INFO|at org.apache.hadoop.hbase.regionserver.HRegionServer.getRegion(HRegionServer.java:3952)
> 2014-01-31 04:02:41,944|beaver.machine|INFO|at org.apache.hadoop.hbase.regionserver.HRegionServer.scan(HRegionServer.java:2977)
> 2014-01-31 04:02:41,944|beaver.machine|INFO|at org.apache.hadoop.hbase.protobuf.generated.ClientProtos$ClientService$2.callBlockingMethod(ClientProtos.java:26929)
> 2014-01-31 04:02:41,944|beaver.machine|INFO|at org.apache.hadoop.hbase.ipc.RpcServer.call(RpcServer.java:2175)
> 2014-01-31 04:02:41,944|beaver.machine|INFO|at org.apache.hadoop.hbase.ipc.RpcServer$Handler.run(RpcServer.java:1879)
> 2014-01-31 04:02:41,945|beaver.machine|INFO|
> 2014-01-31 04:02:41,945|beaver.machine|INFO|at org.apache.hadoop.hbase.ipc.RpcClient.call(RpcClient.java:1449)
> 2014-01-31 04:02:41,945|beaver.machine|INFO|at org.apache.hadoop.hbase.ipc.RpcClient.callBlockingMethod(RpcClient.java:1653)
> 2014-01-31 04:02:41,946|beaver.machine|INFO|at org.apache.hadoop.hbase.ipc.RpcClient$BlockingRpcChannelImplementation.callBlockingMethod(RpcClient.java:1711)
> 2014-01-31 04:02:41,946|beaver.machine|INFO|at org.apache.hadoop.hbase.protobuf.generated.ClientProtos$ClientService$BlockingStub.scan(ClientProtos.java:27332)
> 2014-01-31 04:02:41,946|beaver.machine|INFO|at org.apache.hadoop.hbase.client.HBaseAdmin.deleteTable(HBaseAdmin.java:648)
> {code}



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