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From "Hadoop QA (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-5063) RegionServers fail to report to backup HMaster after primary goes down.
Date Sun, 18 Dec 2011 05:42:32 GMT

    [ https://issues.apache.org/jira/browse/HBASE-5063?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13171779#comment-13171779
] 

Hadoop QA commented on HBASE-5063:
----------------------------------

-1 overall.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12507826/HBASE-5063.patch
  against trunk revision .

    +1 @author.  The patch does not contain any @author tags.

    -1 tests included.  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.

    -1 javadoc.  The javadoc tool appears to have generated -152 warning messages.

    +1 javac.  The applied patch does not increase the total number of javac compiler warnings.

    -1 findbugs.  The patch appears to introduce 76 new Findbugs (version 1.3.9) warnings.

    +1 release audit.  The applied patch does not increase the total number of release audit
warnings.

     -1 core tests.  The patch failed these unit tests:
                       org.apache.hadoop.hbase.client.TestInstantSchemaChange
                  org.apache.hadoop.hbase.mapred.TestTableMapReduce
                  org.apache.hadoop.hbase.mapreduce.TestHFileOutputFormat

Test results: https://builds.apache.org/job/PreCommit-HBASE-Build/534//testReport/
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/534//artifact/trunk/patchprocess/newPatchFindbugsWarnings.html
Console output: https://builds.apache.org/job/PreCommit-HBASE-Build/534//console

This message is automatically generated.
                
> RegionServers fail to report to backup HMaster after primary goes down.
> -----------------------------------------------------------------------
>
>                 Key: HBASE-5063
>                 URL: https://issues.apache.org/jira/browse/HBASE-5063
>             Project: HBase
>          Issue Type: Bug
>    Affects Versions: 0.92.0
>            Reporter: Jonathan Hsieh
>            Assignee: Jonathan Hsieh
>            Priority: Critical
>         Attachments: HBASE-5063.patch
>
>
> # Setup cluster with two HMasters
> # Observe that HM1 is up and that all RS's are in the RegionServer list on web page.
> # Kill (not even -9) the active HMaster
> # Wait for ZK to time out (default 3 minutes).
> # Observe that HM2 is now active.  Tables may show up but RegionServers never report
on web page.  Existing connections are fine.  New connections cannot find regionservers.
> Note: 
> * If we replace a new HM1 in the same place and kill HM2, the cluster functions normally
again after recovery.  This sees to indicate that regionservers are stuck trying to talk to
the old HM1.

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