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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-8482) TestHBaseFsck#testCheckTableLocks broke; java.lang.AssertionError: expected:<[]> but was:<[EXPIRED_TABLE_LOCK]>
Date Thu, 02 May 2013 20:18:16 GMT

    [ https://issues.apache.org/jira/browse/HBASE-8482?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13647856#comment-13647856
] 

Hadoop QA commented on HBASE-8482:
----------------------------------

{color:green}+1 overall{color}.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12581568/8482.txt
  against trunk revision .

    {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 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: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:green}+1 core tests{color}.  The patch passed unit tests in .

Test results: https://builds.apache.org/job/PreCommit-HBASE-Build/5540//testReport/
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/5540//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-protocol.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/5540//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-client.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/5540//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-examples.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/5540//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-hadoop1-compat.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/5540//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-prefix-tree.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/5540//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-common.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/5540//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-server.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/5540//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-hadoop-compat.html
Console output: https://builds.apache.org/job/PreCommit-HBASE-Build/5540//console

This message is automatically generated.
                
> TestHBaseFsck#testCheckTableLocks broke; java.lang.AssertionError: expected:<[]>
but was:<[EXPIRED_TABLE_LOCK]>
> ---------------------------------------------------------------------------------------------------------------
>
>                 Key: HBASE-8482
>                 URL: https://issues.apache.org/jira/browse/HBASE-8482
>             Project: HBase
>          Issue Type: Bug
>            Reporter: stack
>            Assignee: stack
>            Priority: Critical
>             Fix For: 0.95.1
>
>         Attachments: 8482.txt
>
>
> I've been looking into this test failure because I thought it particular to my rpc hackery.
> What I see is like the subject:
> {code}
> java.lang.AssertionError: expected:<[]> but was:<[EXPIRED_TABLE_LOCK]>
> {code}
> and later in same unit test:
> {code}
> java.lang.AssertionError: expected:<[EXPIRED_TABLE_LOCK]> but was:<[EXPIRED_TABLE_LOCK,
EXPIRED_TABLE_LOCK]>
> {code}
> The test creates a write lock and then expires it.  In subject failure, we are expiring
the lock ahead of the time it should be.  Easier for me to reproduce is that the second write
lock we put in place is not allowed to happen because of the presence of the first lock EVEN
THOUGH IT HAS BEEN JUDGED EXPIRED:
> {code}
> ERROR: Table lock acquire attempt found:[tableName=foo, lockOwner=localhost,60000,1,
threadId=387, purpose=testCheckTableLocks, isShared=false, createTime=129898749]
> 2013-05-02 00:34:42,715 INFO  [Thread-183] lock.ZKInterProcessLockBase(431): Lock is
held by: write-testing utility0000000000
> ERROR: Table lock acquire attempt found:[tableName=foo, lockOwner=localhost,60000,1,
threadId=349, purpose=testCheckTableLocks, isShared=false, createTime=28506852]
> {code}
> Above, you see the expired lock and then our hbck lock visitor has it that the second
lock is expired because it is held by the first lock.
> I can keep looking at this but input would be appreciated.
> It failed in recent trunk build https://builds.apache.org/view/H-L/view/HBase/job/HBase-TRUNK/4090/testReport/junit/org.apache.hadoop.hbase.util/TestHBaseFsck/testCheckTableLocks/

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