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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] Commented: (ZOOKEEPER-363) NPE when recovering ledger with no hint
Date Fri, 03 Apr 2009 16:16:13 GMT

    [ https://issues.apache.org/jira/browse/ZOOKEEPER-363?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12695473#action_12695473
] 

Hadoop QA commented on ZOOKEEPER-363:
-------------------------------------

+1 overall.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12404558/ZOOKEEPER-363.patch
  against trunk revision 761433.

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

    +1 tests included.  The patch appears to include 3 new or modified tests.

    +1 javadoc.  The javadoc tool did not generate any warning messages.

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

    +1 findbugs.  The patch does not introduce any new Findbugs warnings.

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

    +1 core tests.  The patch passed core unit tests.

    +1 contrib tests.  The patch passed contrib unit tests.

Test results: http://hudson.zones.apache.org/hudson/job/Zookeeper-Patch-vesta.apache.org/13/testReport/
Findbugs warnings: http://hudson.zones.apache.org/hudson/job/Zookeeper-Patch-vesta.apache.org/13/artifact/trunk/build/test/findbugs/newPatchFindbugsWarnings.html
Console output: http://hudson.zones.apache.org/hudson/job/Zookeeper-Patch-vesta.apache.org/13/console

This message is automatically generated.

> NPE when recovering ledger with no hint 
> ----------------------------------------
>
>                 Key: ZOOKEEPER-363
>                 URL: https://issues.apache.org/jira/browse/ZOOKEEPER-363
>             Project: Zookeeper
>          Issue Type: Bug
>          Components: contrib-bookkeeper
>    Affects Versions: 3.1.1
>            Reporter: Luca Telloli
>            Assignee: Flavio Paiva Junqueira
>             Fix For: 3.2.0
>
>         Attachments: ZOOKEEPER-363.patch, ZOOKEEPER-363.patch
>
>
> When recovering a ledger, LedgerRecoveryMonitor currently start from the entry preceding
the hint. if the hint is zero, then it causes an access out of the bounds of the bookie array
in QuorumEngine, leading to the mentioned NPE.

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