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From "Owen O'Malley (JIRA)" <j...@apache.org>
Subject [jira] Created: (HADOOP-316) job tracker has a deadlock
Date Thu, 22 Jun 2006 18:28:29 GMT
job tracker has a deadlock

         Key: HADOOP-316
         URL: http://issues.apache.org/jira/browse/HADOOP-316
     Project: Hadoop
        Type: Bug

  Components: mapred  
    Versions: 0.3.2    
    Reporter: Owen O'Malley
 Assigned to: Owen O'Malley 
     Fix For: 0.4.0

The JobTracker has a deadlock in the ExpireLaunchingTasks stuff.

In particular, it locks the JobTracker and launchingTasks inconsistently.

This deadlocks has been observed in the wild and causes the JobTracker to stop responding
to rpc and http (other than the root page).

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