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From "Nigel Daley (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-1049) race condition in setting up ipc connections
Date Tue, 27 Feb 2007 23:39:05 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-1049?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12476451
] 

Nigel Daley commented on HADOOP-1049:
-------------------------------------

If the call to connection.setupIOstreams() in org.apache.hadoop.ipc.Client.getConnection()
is the problem, then this was introduced by HADOOP-312.

> race condition in setting up ipc connections
> --------------------------------------------
>
>                 Key: HADOOP-1049
>                 URL: https://issues.apache.org/jira/browse/HADOOP-1049
>             Project: Hadoop
>          Issue Type: Bug
>          Components: ipc
>    Affects Versions: 0.11.2
>            Reporter: Owen O'Malley
>         Assigned To: Owen O'Malley
>             Fix For: 0.12.0
>
>
> While running svn head, I get:
> [junit] 2007-02-27 19:11:17,707 INFO  ipc.Client (Client.java:run(281)) - java.lang.NullPointerException
>     [junit] 	at org.apache.hadoop.ipc.Client$Connection.run(Client.java:251)
> There is a race condition between when the threads are created above and when the IO
streams are set up below.

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