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Date: Thu, 4 Oct 2012 12:43:08 +1100 (NCT)
From: "Todd Lipcon (JIRA)" <jira@apache.org>
To: hdfs-dev@hadoop.apache.org
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Subject: [jira] [Resolved] (HDFS-4004) TestJournalNode#testJournal fails
 because of test case execution order
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     [ https://issues.apache.org/jira/browse/HDFS-4004?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Todd Lipcon resolved HDFS-4004.
-------------------------------

          Resolution: Fixed
    Target Version/s: QuorumJournalManager (HDFS-3077)
        Hadoop Flags: Reviewed

Committed to the branch, thanks Chao!
                
> TestJournalNode#testJournal fails because of test case execution order
> ----------------------------------------------------------------------
>
>                 Key: HDFS-4004
>                 URL: https://issues.apache.org/jira/browse/HDFS-4004
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: ha
>            Reporter: Chao Shi
>            Assignee: Chao Shi
>            Priority: Minor
>             Fix For: QuorumJournalManager (HDFS-3077)
>
>         Attachments: hdfs-4004.txt
>
>
> I'm running HDFS test on HDFS-3077 branch. I found TestJournalNode#testJournal fails sometimes. The assertion failed is:  
> MetricsAsserts.assertCounter("BatchesWritten", 0L, metrics);
> The reason is when testHttpServer is running before testJournal, it will write some logs to JN. The fix is simple: assign a new JID for each test case, so that they will use different metrics.

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