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Date: Thu, 17 Jan 2013 21:08:16 +0000 (UTC)
From: "Hudson (JIRA)" <jira@apache.org>
To: issues@hbase.apache.org
Message-ID: <JIRA.12627981.1358391314160.154735.1358456896212@arcas>
In-Reply-To: <JIRA.12627981.1358391314160@arcas>
References: <JIRA.12627981.1358391314160@arcas>
Subject: [jira] [Commented] (HBASE-7602) TestFromClientSide.testPoolBehavior
 is incorrect
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    [ https://issues.apache.org/jira/browse/HBASE-7602?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13556592#comment-13556592 ] 

Hudson commented on HBASE-7602:
-------------------------------

Integrated in HBase-TRUNK #3763 (See [https://builds.apache.org/job/HBase-TRUNK/3763/])
    HBASE-7602 TestFromClientSide.testPoolBehavior is incorrect (Revision 1434855)

     Result = FAILURE
larsh : 
Files : 
* /hbase/trunk/hbase-server/src/test/java/org/apache/hadoop/hbase/client/TestFromClientSide.java

                
> TestFromClientSide.testPoolBehavior is incorrect
> ------------------------------------------------
>
>                 Key: HBASE-7602
>                 URL: https://issues.apache.org/jira/browse/HBASE-7602
>             Project: HBase
>          Issue Type: Bug
>            Reporter: Lars Hofhansl
>            Assignee: Lars Hofhansl
>             Fix For: 0.96.0, 0.94.5
>
>         Attachments: 7602-0.94.txt, 7602-0.96.txt
>
>
> The writer of this test misunderstood ThreadPoolExecutor.
> The test adds Threads as tasks to a ThreadPoolExecutor and then calls join on the Thread objects. But these are not the running threads, it work by pure accident, because Thread happens to implement Runnable.
> {code}
> pool.submit(threads.get(0));
> ...
> threads.get(0).join();
> {code}
> The join will always return immediately, because the thread never ran.
> This should instead synchronize on the Future returned from submit instead, otherwise there is no guarantee that the threads in the pool actually finished.

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