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From "Chris Douglas (JIRA)" <j...@apache.org>
Subject [jira] Created: (HADOOP-5607) TestCapacityScheduler fails with NPE
Date Wed, 01 Apr 2009 16:11:13 GMT
TestCapacityScheduler fails with NPE
------------------------------------

                 Key: HADOOP-5607
                 URL: https://issues.apache.org/jira/browse/HADOOP-5607
             Project: Hadoop Core
          Issue Type: Bug
          Components: contrib/capacity-sched, test
    Affects Versions: 0.20.0
            Reporter: Chris Douglas


Observed on Hudson:
{noformat}
java.lang.NullPointerException
	at org.apache.hadoop.mapred.JobInProgress.terminateJob(JobInProgress.java:2117)
	at org.apache.hadoop.mapred.JobInProgress.terminate(JobInProgress.java:2153)
	at org.apache.hadoop.mapred.JobInProgress.kill(JobInProgress.java:2221)
	at org.apache.hadoop.mapred.TestCapacityScheduler$FakeTaskTrackerManager.killJob(TestCapacityScheduler.java:359)
	at org.apache.hadoop.mapred.CapacityTaskScheduler.killJobIfInvalidRequirements(CapacityTaskScheduler.java:1431)
	at org.apache.hadoop.mapred.CapacityTaskScheduler.jobAdded(CapacityTaskScheduler.java:1463)
	at org.apache.hadoop.mapred.JobQueuesManager.jobAdded(JobQueuesManager.java:183)
	at org.apache.hadoop.mapred.TestCapacityScheduler$FakeTaskTrackerManager.submitJob(TestCapacityScheduler.java:387)
	at org.apache.hadoop.mapred.TestCapacityScheduler.submitJob(TestCapacityScheduler.java:625)
	at org.apache.hadoop.mapred.TestCapacityScheduler.testHighMemoryJobWithInvalidRequirements(TestCapacityScheduler.java:1992)
{noformat}

This was introduced by HADOOP-5565. FakeJobInProgress doesn't pass a JobTracker reference
to the subtype cstr, so calling kill() derefs the null JT field.

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