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From "Flavio Paiva Junqueira (JIRA)" <j...@apache.org>
Subject [jira] Commented: (ZOOKEEPER-690) AsyncTestHammer test fails on hudson.
Date Wed, 28 Apr 2010 19:17:50 GMT

    [ https://issues.apache.org/jira/browse/ZOOKEEPER-690?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12861909#action_12861909
] 

Flavio Paiva Junqueira commented on ZOOKEEPER-690:
--------------------------------------------------

FLE relies upon a correct implementation of the voting view. My understanding is that if an
observer is being elected leader, then the following predicate is evaluating to false:

{noformat}
(!self.getVotingView().containsKey(response.sid))
{noformat}

This is line 201 of FastLeaderElection.java. If this predicate is true, meaning that an observer
is not in the voting view of a server, then the server will send a response right away and
won't consider the vote of the observer. Does it make sense?


> AsyncTestHammer test fails on hudson.
> -------------------------------------
>
>                 Key: ZOOKEEPER-690
>                 URL: https://issues.apache.org/jira/browse/ZOOKEEPER-690
>             Project: Zookeeper
>          Issue Type: Bug
>            Reporter: Mahadev konar
>            Assignee: Henry Robinson
>            Priority: Blocker
>             Fix For: 3.3.1, 3.4.0
>
>         Attachments: jstack-201004201053.txt, nohup-201004201053.txt, TEST-org.apache.zookeeper.test.AsyncHammerTest.txt,
zoo.log
>
>
> the hudson test failed on http://hudson.zones.apache.org/hudson/job/Zookeeper-Patch-h1.grid.sp2.yahoo.net/2/testReport/.
There are huge set of cancelledkeyexceptions in the logs. Still going through the logs to
find out the reason for failure.

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