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https://issues.apache.org/jira/browse/ZOOKEEPER-790?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12890451#action_12890451
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Hadoop QA commented on ZOOKEEPER-790:
-------------------------------------
-1 overall. Here are the results of testing the latest attachment
http://issues.apache.org/jira/secure/attachment/12449972/ZOOKEEPER-790.patch
against trunk revision 963957.
+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 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:
http://hudson.zones.apache.org/hudson/job/Zookeeper-Patch-h1.grid.sp2.yahoo.net/150/testReport/
Findbugs warnings:
http://hudson.zones.apache.org/hudson/job/Zookeeper-Patch-h1.grid.sp2.yahoo.net/150/artifact/trunk/build/test/findbugs/newPatchFindbugsWarnings.html
Console output:
http://hudson.zones.apache.org/hudson/job/Zookeeper-Patch-h1.grid.sp2.yahoo.net/150/console
This message is automatically generated.
> Last processed zxid set prematurely while establishing leadership
> -----------------------------------------------------------------
>
> Key: ZOOKEEPER-790
> URL: https://issues.apache.org/jira/browse/ZOOKEEPER-790
> Project: Zookeeper
> Issue Type: Bug
> Components: quorum
> Affects Versions: 3.3.1
> Reporter: Flavio Paiva Junqueira
> Assignee: Flavio Paiva Junqueira
> Priority: Blocker
> Fix For: 3.3.2, 3.4.0
>
> Attachments: ZOOKEEPER-790.patch, ZOOKEEPER-790.patch,
> ZOOKEEPER-790.patch, ZOOKEEPER-790.travis.log.bz2
>
>
> The leader code is setting the last processed zxid to the first of the new
> epoch even before connecting to a quorum of followers. Because the leader
> code sets this value before connecting to a quorum of followers
> (Leader.java:281) and the follower code throws an IOException
> (Follower.java:73) if the leader epoch is smaller, we have that when the
> false leader drops leadership and becomes a follower, it finds a smaller
> epoch and kills itself.
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