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https://issues.apache.org/jira/browse/HADOOP-5116?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12668484#action_12668484
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Bill Habermaas commented on HADOOP-5116:
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When this test was running it was observed to be consuming over 90% of the 
processor according to the 'topas' command. This is why the report description 
assumes that a loop was occurring. At the instant that the trace was induced it 
was probably blocked but not forever.  The high cpu utilization suggests that 
it is not blocking and is repeating the write according to the way the test is 
written. 

> TestSocketIOWithTimeout fails under AIX - TIMEOUT error. 
> ---------------------------------------------------------
>
>                 Key: HADOOP-5116
>                 URL: https://issues.apache.org/jira/browse/HADOOP-5116
>             Project: Hadoop Core
>          Issue Type: Test
>          Components: test
>    Affects Versions: 0.18.2
>         Environment: AIX
>            Reporter: Bill Habermaas
>            Priority: Minor
>         Attachments: javacore.20090126.144729.376858.0001.txt
>
>
> This test expects an exception to occur when read/writing a closed socket.  
> Under AIX this does not occur and results in a loop.  

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