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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-8585) AssignmentManager should handle RejectedExecutionException
Date Wed, 22 May 2013 05:43:21 GMT

    [ https://issues.apache.org/jira/browse/HBASE-8585?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13663801#comment-13663801
] 

Hadoop QA commented on HBASE-8585:
----------------------------------

{color:red}-1 overall{color}.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12584234/8585-v2.txt
  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: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:
     

     {color:red}-1 core zombie tests{color}.  There are 1 zombie test(s): 

Test results: https://builds.apache.org/job/PreCommit-HBASE-Build/5780//testReport/
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/5780//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-client.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/5780//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-examples.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/5780//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-protocol.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/5780//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-hadoop1-compat.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/5780//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-prefix-tree.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/5780//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-common.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/5780//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-hadoop-compat.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/5780//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-server.html
Console output: https://builds.apache.org/job/PreCommit-HBASE-Build/5780//console

This message is automatically generated.
                
> AssignmentManager should handle RejectedExecutionException
> ----------------------------------------------------------
>
>                 Key: HBASE-8585
>                 URL: https://issues.apache.org/jira/browse/HBASE-8585
>             Project: HBase
>          Issue Type: Bug
>            Reporter: Ted Yu
>            Assignee: Ted Yu
>         Attachments: 8585-v1.txt, 8585-v3.txt
>
>
> In test output, I noticed the following:
> {code}
> 2013-05-21 03:39:37,015 DEBUG [Thread-1446-EventThread] zookeeper.ZooKeeperWatcher(307):
master:35255-0x13ec52b4ce30000 Received ZooKeeper Event, type=NodeDataChanged, state=SyncConnected,
path=/hbase/region-in-transition/8b6ce00aafd483a6ed7a76425009ebf8
> 2013-05-21 03:39:37,015 ERROR [Thread-1446-EventThread] zookeeper.ClientCnxn$EventThread(521):
Error while calling watcher
> java.util.concurrent.RejectedExecutionException
>         at java.util.concurrent.ThreadPoolExecutor$AbortPolicy.rejectedExecution(ThreadPoolExecutor.java:1768)
>         at java.util.concurrent.ThreadPoolExecutor.reject(ThreadPoolExecutor.java:767)
>         at java.util.concurrent.ThreadPoolExecutor.execute(ThreadPoolExecutor.java:658)
>         at java.util.concurrent.AbstractExecutorService.submit(AbstractExecutorService.java:78)
>         at org.apache.hadoop.hbase.master.AssignmentManager.zkEventWorkersSubmit(AssignmentManager.java:1136)
>         at org.apache.hadoop.hbase.master.AssignmentManager.handleAssignmentEvent(AssignmentManager.java:1306)
>         at org.apache.hadoop.hbase.master.AssignmentManager.nodeDataChanged(AssignmentManager.java:1095)
>         at org.apache.hadoop.hbase.zookeeper.ZooKeeperWatcher.process(ZooKeeperWatcher.java:338)
>         at org.apache.zookeeper.ClientCnxn$EventThread.processEvent(ClientCnxn.java:519)
>         at org.apache.zookeeper.ClientCnxn$EventThread.run(ClientCnxn.java:495)
> {code}
> By default, ThreadPoolExecutor.AbortPolicy is used for zkEventWorkers, leading to the
above exception.
> We should examine the calls to zkEventWorkersSubmit() and devise proper handling for
RejectedExecutionException.

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