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https://issues.apache.org/jira/browse/ZOOKEEPER-1502?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13941575#comment-13941575
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Hadoop QA commented on ZOOKEEPER-1502:
--------------------------------------
-1 overall. Here are the results of testing the latest attachment
http://issues.apache.org/jira/secure/attachment/12635752/ZOOKEEPER-1502.patch
against trunk revision 1577756.
+1 @author. The patch does not contain any @author tags.
+1 tests included. The patch appears to include 6 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 (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 core unit tests.
+1 contrib tests. The patch passed contrib unit tests.
Test results:
https://builds.apache.org/job/PreCommit-ZOOKEEPER-Build/1968//testReport/
Findbugs warnings:
https://builds.apache.org/job/PreCommit-ZOOKEEPER-Build/1968//artifact/trunk/build/test/findbugs/newPatchFindbugsWarnings.html
Console output:
https://builds.apache.org/job/PreCommit-ZOOKEEPER-Build/1968//console
This message is automatically generated.
> Prevent multiple zookeeper servers from using the same data directory
> ---------------------------------------------------------------------
>
> Key: ZOOKEEPER-1502
> URL: https://issues.apache.org/jira/browse/ZOOKEEPER-1502
> Project: ZooKeeper
> Issue Type: Improvement
> Components: server
> Affects Versions: 3.4.3
> Reporter: Will Johnson
> Assignee: Rakesh R
> Fix For: 3.5.0
>
> Attachments: ZOOKEEPER-1502.patch
>
>
> We recently ran into an issue where two zookeepers servers which were a part
> of two separate quorums were configured to use the same data directory.
> Interestingly, the zookeeper servers did not seem to complain and both seemed
> to work fine until one of them was restarted. Once that happened all sort of
> chaos ensued. I understand that this is a misconfiguration should zookeeper
> complain about this or do users need to protect themselves in some external
> fashion? Is a simple file lock enough or are there other things I should
> take into consideration if it’s up to me to handle?
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