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From "Thomas Friol (JIRA)" <j...@apache.org>
Subject [jira] Created: (HADOOP-743) org.apache.hadoop.ipc.Server join method doees not wait for its subthreads to die
Date Wed, 22 Nov 2006 10:12:02 GMT
org.apache.hadoop.ipc.Server join method doees not wait for its subthreads to die
---------------------------------------------------------------------------------

                 Key: HADOOP-743
                 URL: http://issues.apache.org/jira/browse/HADOOP-743
             Project: Hadoop
          Issue Type: Bug
          Components: ipc
    Affects Versions: 0.6.1
            Reporter: Thomas Friol


Is there an explanation about this ?

In fact, my problem is that I have to launch consecutively two MiniMRCluster in order to perform
unit tests as following :

 - Start first MiniMrCLuster
 - Do some tests
 - Stop first MiniMRCluster
 - Start second MiniMRCluster
 - Do some tests
 - Stop second MiniMRCluster

When executing this, the second MiniMRcluster give me continually this log :
06/11/22 11:09:22 INFO ipc.RPC: Problem connecting to server: localhost/127.0.0.1:60030
Waiting for task tracker to start.

The only solution I have found now is to insert a Thread.sleep(2000) between first MiniMRCluster
stop and the second one start to ensure that the first one is completely stopped.

Any idea, suggestions, thoughts ?



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