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https://issues.apache.org/jira/browse/ZOOKEEPER-2355?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16045624#comment-16045624
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Hadoop QA commented on ZOOKEEPER-2355:
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+1 overall. GitHub Pull Request Build
+1 @author. The patch does not contain any @author tags.
+1 tests included. The patch appears to include 2 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 3.0.1)
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:
https://builds.apache.org/job/PreCommit-ZOOKEEPER-github-pr-build/782//testReport/
Findbugs warnings:
https://builds.apache.org/job/PreCommit-ZOOKEEPER-github-pr-build/782//artifact/trunk/build/test/findbugs/newPatchFindbugsWarnings.html
Console output:
https://builds.apache.org/job/PreCommit-ZOOKEEPER-github-pr-build/782//console
This message is automatically generated.
> Ephemeral node is never deleted if follower fails while reading the proposal
> packet
> -----------------------------------------------------------------------------------
>
> Key: ZOOKEEPER-2355
> URL: https://issues.apache.org/jira/browse/ZOOKEEPER-2355
> Project: ZooKeeper
> Issue Type: Bug
> Components: quorum, server
> Reporter: Mohammad Arshad
> Assignee: Mohammad Arshad
> Priority: Critical
> Fix For: 3.5.4, 3.6.0
>
> Attachments: ZOOKEEPER-2355-01.patch, ZOOKEEPER-2355-02.patch,
> ZOOKEEPER-2355-03.patch, ZOOKEEPER-2355-04.patch, ZOOKEEPER-2355-05.patch
>
>
> ZooKeeper ephemeral node is never deleted if follower fail while reading the
> proposal packet
> The scenario is as follows:
> # Configure three node ZooKeeper cluster, lets say nodes are A, B and C,
> start all, assume A is leader, B and C are follower
> # Connect to any of the server and create ephemeral node /e1
> # Close the session, ephemeral node /e1 will go for deletion
> # While receiving delete proposal make Follower B to fail with
> {{SocketTimeoutException}}. This we need to do to reproduce the scenario
> otherwise in production environment it happens because of network fault.
> # Remove the fault, just check that faulted Follower is now connected with
> quorum
> # Connect to any of the server, create the same ephemeral node /e1, created
> is success.
> # Close the session, ephemeral node /e1 will go for deletion
> # {color:red}/e1 is not deleted from the faulted Follower B, It should have
> been deleted as it was again created with another session{color}
> # {color:green}/e1 is deleted from Leader A and other Follower C{color}
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