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https://issues.apache.org/jira/browse/HADOOP-8220?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13239178#comment-13239178
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Hadoop QA commented on HADOOP-8220:
-----------------------------------
-1 overall. Here are the results of testing the latest attachment
http://issues.apache.org/jira/secure/attachment/12520062/hadoop-8220.txt
against trunk revision .
+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 eclipse:eclipse. The patch built with eclipse:eclipse.
+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 these unit tests:
org.apache.hadoop.ha.TestFailoverController
org.apache.hadoop.ha.TestZKFailoverController
+1 contrib tests. The patch passed contrib unit tests.
Test results:
https://builds.apache.org/job/PreCommit-HADOOP-Build/789//testReport/
Console output:
https://builds.apache.org/job/PreCommit-HADOOP-Build/789//console
This message is automatically generated.
> ZKFailoverController doesn't handle failure to become active correctly
> ----------------------------------------------------------------------
>
> Key: HADOOP-8220
> URL: https://issues.apache.org/jira/browse/HADOOP-8220
> Project: Hadoop Common
> Issue Type: Bug
> Components: ha
> Affects Versions: 0.23.3, 0.24.0
> Reporter: Todd Lipcon
> Assignee: Todd Lipcon
> Priority: Critical
> Attachments: hadoop-8220.txt
>
>
> The ZKFC doesn't properly handle the case where the monitored service fails
> to become active. Currently, it catches the exception and logs a warning, but
> then continues on, after calling quitElection(). This causes a NPE when it
> later tries to use the same zkClient instance while handling that same
> request. There is a test case, but the test case doesn't ensure that the node
> that had the failure is later able to recover properly.
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