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From "Aaron T. Myers (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-3582) Hook daemon process exit for testing
Date Wed, 11 Jul 2012 14:20:35 GMT

    [ https://issues.apache.org/jira/browse/HDFS-3582?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13411550#comment-13411550
] 

Aaron T. Myers commented on HDFS-3582:
--------------------------------------

The latest patch looks good to me. +1 pending Jenkins (which I've just kicked.)

I also heard from Steve offline that he's +1 on the latest patch, but won't have access to
JIRA today.
                
> Hook daemon process exit for testing 
> -------------------------------------
>
>                 Key: HDFS-3582
>                 URL: https://issues.apache.org/jira/browse/HDFS-3582
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: test
>    Affects Versions: 2.0.0-alpha
>            Reporter: Eli Collins
>            Assignee: Eli Collins
>            Priority: Minor
>         Attachments: hdfs-3582.txt, hdfs-3582.txt, hdfs-3582.txt, hdfs-3582.txt, hdfs-3582.txt,
hdfs-3582.txt, hdfs-3582.txt, hdfs-3582.txt, hdfs-3582.txt, hdfs-3582.txt, hdfs-3582.txt
>
>
> Occasionally the tests fail with "java.util.concurrent.ExecutionException: org.apache.maven.surefire.booter.SurefireBooterForkException:
> Error occurred in starting fork, check output in log" because the NN is exit'ing (via
System#exit or Runtime#exit). Unfortunately Surefire doesn't retain the log output (see SUREFIRE-871)
so the test log is empty, we don't know which part of the test triggered which exit in HDFS.
To make this easier to debug let's hook all daemon process exits when running the tests.

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