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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-6958) TestAssignmentManager sometimes fails
Date Tue, 06 Nov 2012 22:44:12 GMT

    [ https://issues.apache.org/jira/browse/HBASE-6958?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13491910#comment-13491910
] 

Hadoop QA commented on HBASE-6958:
----------------------------------

{color:red}-1 overall{color}.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12552340/trunk-6958.patch
  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 hadoop2.0{color}.  The patch compiles against the hadoop 2.0 profile.

    {color:red}-1 javadoc{color}.  The javadoc tool appears to have generated 85 warning messages.

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

    {color:red}-1 findbugs{color}.  The patch appears to introduce 11 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 core tests{color}.  The patch passed unit tests in .

Test results: https://builds.apache.org/job/PreCommit-HBASE-Build/3234//testReport/
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/3234//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-hadoop2-compat.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/3234//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-examples.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/3234//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-server.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/3234//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-hadoop1-compat.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/3234//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-common.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/3234//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-hadoop-compat.html
Console output: https://builds.apache.org/job/PreCommit-HBASE-Build/3234//console

This message is automatically generated.
                
> TestAssignmentManager sometimes fails
> -------------------------------------
>
>                 Key: HBASE-6958
>                 URL: https://issues.apache.org/jira/browse/HBASE-6958
>             Project: HBase
>          Issue Type: Bug
>          Components: test
>            Reporter: Ted Yu
>            Assignee: Jimmy Xiang
>             Fix For: 0.96.0, 0.94.4
>
>         Attachments: 6958_0.94.patch, trunk-6958.patch
>
>
> From https://builds.apache.org/job/HBase-TRUNK/3432/testReport/junit/org.apache.hadoop.hbase.master/TestAssignmentManager/testBalanceOnMasterFailoverScenarioWithOpenedNode/
:
> {code}
> Stacktrace
> java.lang.Exception: test timed out after 5000 milliseconds
> 	at java.lang.System.arraycopy(Native Method)
> 	at java.lang.ThreadGroup.remove(ThreadGroup.java:969)
> 	at java.lang.ThreadGroup.threadTerminated(ThreadGroup.java:942)
> 	at java.lang.Thread.exit(Thread.java:732)
> ...
> 2012-10-06 00:46:12,521 DEBUG [MASTER_CLOSE_REGION-mockedAMExecutor-0] zookeeper.ZKUtil(1141):
mockedServer-0x13a33892de7000e Retrieved 81 byte(s) of data from znode /hbase/unassigned/dc01abf9cd7fd0ea256af4df02811640
and set watcher; region=t,,1349484359011.dc01abf9cd7fd0ea256af4df02811640., state=M_ZK_REGION_OFFLINE,
servername=master,1,1, createTime=1349484372509, payload.length=0
> 2012-10-06 00:46:12,522 ERROR [MASTER_CLOSE_REGION-mockedAMExecutor-0] executor.EventHandler(205):
Caught throwable while processing event RS_ZK_REGION_CLOSED
> java.lang.NullPointerException
> 	at org.apache.hadoop.hbase.master.TestAssignmentManager$MockedLoadBalancer.randomAssignment(TestAssignmentManager.java:773)
> 	at org.apache.hadoop.hbase.master.AssignmentManager.getRegionPlan(AssignmentManager.java:1709)
> 	at org.apache.hadoop.hbase.master.AssignmentManager.getRegionPlan(AssignmentManager.java:1666)
> 	at org.apache.hadoop.hbase.master.AssignmentManager.assign(AssignmentManager.java:1435)
> 	at org.apache.hadoop.hbase.master.AssignmentManager.assign(AssignmentManager.java:1155)
> 	at org.apache.hadoop.hbase.master.TestAssignmentManager$AssignmentManagerWithExtrasForTesting.assign(TestAssignmentManager.java:1035)
> 	at org.apache.hadoop.hbase.master.AssignmentManager.assign(AssignmentManager.java:1130)
> 	at org.apache.hadoop.hbase.master.AssignmentManager.assign(AssignmentManager.java:1125)
> 	at org.apache.hadoop.hbase.master.handler.ClosedRegionHandler.process(ClosedRegionHandler.java:106)
> 	at org.apache.hadoop.hbase.executor.EventHandler.run(EventHandler.java:202)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
> 	at java.lang.Thread.run(Thread.java:722)
> 2012-10-06 00:46:12,522 DEBUG [pool-1-thread-1-EventThread] master.AssignmentManager(670):
Handling transition=M_ZK_REGION_OFFLINE, server=master,1,1, region=dc01abf9cd7fd0ea256af4df02811640,
current state from region state map ={t,,1349484359011.dc01abf9cd7fd0ea256af4df02811640. state=OFFLINE,
ts=1349484372508, server=null}
> {code}
> Looks like NPE happened on this line:
> {code}
>       this.gate.set(true);
> {code}

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