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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-9344) RegionServer not shutting down upon KeeperException in open region
Date Mon, 26 Aug 2013 23:55:52 GMT

    [ https://issues.apache.org/jira/browse/HBASE-9344?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13750766#comment-13750766
] 

Hadoop QA commented on HBASE-9344:
----------------------------------

{color:red}-1 overall{color}.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12600036/9344-trunk.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:red}-1 release audit{color}.  The applied patch generated 2 release audit warnings
(more than the trunk's current 0 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/6905//testReport/
Release audit warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/6905//artifact/trunk/patchprocess/patchReleaseAuditProblems.txt
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/6905//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-prefix-tree.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/6905//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-client.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/6905//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-common.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/6905//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-protocol.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/6905//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-server.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/6905//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-hadoop1-compat.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/6905//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-examples.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/6905//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-hadoop-compat.html
Console output: https://builds.apache.org/job/PreCommit-HBASE-Build/6905//console

This message is automatically generated.
                
> RegionServer not shutting down upon KeeperException in open region
> ------------------------------------------------------------------
>
>                 Key: HBASE-9344
>                 URL: https://issues.apache.org/jira/browse/HBASE-9344
>             Project: HBase
>          Issue Type: Bug
>            Reporter: Lars Hofhansl
>         Attachments: 9344-trunk.txt
>
>
> We ran into a situation where due to a Kerberos configuration problem one of our region
server could not connect to ZK when opening a region. Instead of shutting down it continue
to try to reconnect. Eventually the master would assign the region to another region server.
Each time that region server was assigned a region it would sit there for 5 mins with the
region offline. It would have been better if the region server had shut itself down.
> This is in the logs:
> {quote}
> 2013-08-16 17:31:35,999 WARN org.apache.hadoop.hbase.zookeeper.ZKUtil: hconnection-0x2407b842ff2012d-0x2407b842ff2012d-0x2407b842ff2012d
Unable to set watcher on znode (/hbase/hbaseid)
> org.apache.zookeeper.KeeperException$AuthFailedException: KeeperErrorCode = AuthFailed
for /hbase/hbaseid
>     at org.apache.zookeeper.KeeperException.create(KeeperException.java:123)
>     at org.apache.zookeeper.KeeperException.create(KeeperException.java:51)
>     at org.apache.zookeeper.ZooKeeper.exists(ZooKeeper.java:1041)
>     at org.apache.hadoop.hbase.zookeeper.RecoverableZooKeeper.exists(RecoverableZooKeeper.java:172)
>     at org.apache.hadoop.hbase.zookeeper.ZKUtil.checkExists(ZKUtil.java:450)
>     at org.apache.hadoop.hbase.zookeeper.ClusterId.readClusterIdZNode(ClusterId.java:61)
>     at org.apache.hadoop.hbase.zookeeper.ClusterId.getId(ClusterId.java:50)
>     at org.apache.hadoop.hbase.zookeeper.ClusterId.hasId(ClusterId.java:44)
>     at org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.ensureZookeeperTrackers(HConnectionManager.java:616)
>     at org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.locateRegion(HConnectionManager.java:882)
>     at org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.locateRegion(HConnectionManager.java:857)
>     at org.apache.hadoop.hbase.client.HTable.finishSetup(HTable.java:233)
>     at org.apache.hadoop.hbase.client.HTable.<init>(HTable.java:173)
>     at org.apache.hadoop.hbase.catalog.MetaReader.getHTable(MetaReader.java:201)
>     at org.apache.hadoop.hbase.catalog.MetaReader.getMetaHTable(MetaReader.java:227)
>     at org.apache.hadoop.hbase.catalog.MetaReader.getCatalogHTable(MetaReader.java:214)
>     at org.apache.hadoop.hbase.catalog.MetaEditor.putToCatalogTable(MetaEditor.java:91)
>     at org.apache.hadoop.hbase.catalog.MetaEditor.updateLocation(MetaEditor.java:296)
>     at org.apache.hadoop.hbase.catalog.MetaEditor.updateRegionLocation(MetaEditor.java:276)
>     at org.apache.hadoop.hbase.regionserver.HRegionServer.postOpenDeployTasks(HRegionServer.java:1828)
>     at org.apache.hadoop.hbase.regionserver.handler.OpenRegionHandler$PostOpenDeployTasksThread.run(OpenRegionHandler.java:240)
> {quote}
> I think the RS should shut itself down instead.

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