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From "Ted Yu (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HBASE-6958) TestAssignmentManager fails in trunk
Date Sat, 06 Oct 2012 02:10:02 GMT
Ted Yu created HBASE-6958:
-----------------------------

             Summary: TestAssignmentManager fails in trunk
                 Key: HBASE-6958
                 URL: https://issues.apache.org/jira/browse/HBASE-6958
             Project: HBase
          Issue Type: Bug
            Reporter: Ted Yu


>From https://builds.apache.org/job/HBase-TRUNK/3432/testReport/junit/org.apache.hadoop.hbase.master/TestAssignmentManager/testBalanceOnMasterFailoverScenarioWithOpenedNode/
:
{code}
Stacktrace

java.lang.Exception: test timed out after 5000 milliseconds
	at java.lang.System.arraycopy(Native Method)
	at java.lang.ThreadGroup.remove(ThreadGroup.java:969)
	at java.lang.ThreadGroup.threadTerminated(ThreadGroup.java:942)
	at java.lang.Thread.exit(Thread.java:732)
...
2012-10-06 00:46:12,521 DEBUG [MASTER_CLOSE_REGION-mockedAMExecutor-0] zookeeper.ZKUtil(1141):
mockedServer-0x13a33892de7000e Retrieved 81 byte(s) of data from znode /hbase/unassigned/dc01abf9cd7fd0ea256af4df02811640
and set watcher; region=t,,1349484359011.dc01abf9cd7fd0ea256af4df02811640., state=M_ZK_REGION_OFFLINE,
servername=master,1,1, createTime=1349484372509, payload.length=0
2012-10-06 00:46:12,522 ERROR [MASTER_CLOSE_REGION-mockedAMExecutor-0] executor.EventHandler(205):
Caught throwable while processing event RS_ZK_REGION_CLOSED
java.lang.NullPointerException
	at org.apache.hadoop.hbase.master.TestAssignmentManager$MockedLoadBalancer.randomAssignment(TestAssignmentManager.java:773)
	at org.apache.hadoop.hbase.master.AssignmentManager.getRegionPlan(AssignmentManager.java:1709)
	at org.apache.hadoop.hbase.master.AssignmentManager.getRegionPlan(AssignmentManager.java:1666)
	at org.apache.hadoop.hbase.master.AssignmentManager.assign(AssignmentManager.java:1435)
	at org.apache.hadoop.hbase.master.AssignmentManager.assign(AssignmentManager.java:1155)
	at org.apache.hadoop.hbase.master.TestAssignmentManager$AssignmentManagerWithExtrasForTesting.assign(TestAssignmentManager.java:1035)
	at org.apache.hadoop.hbase.master.AssignmentManager.assign(AssignmentManager.java:1130)
	at org.apache.hadoop.hbase.master.AssignmentManager.assign(AssignmentManager.java:1125)
	at org.apache.hadoop.hbase.master.handler.ClosedRegionHandler.process(ClosedRegionHandler.java:106)
	at org.apache.hadoop.hbase.executor.EventHandler.run(EventHandler.java:202)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
	at java.lang.Thread.run(Thread.java:722)
2012-10-06 00:46:12,522 DEBUG [pool-1-thread-1-EventThread] master.AssignmentManager(670):
Handling transition=M_ZK_REGION_OFFLINE, server=master,1,1, region=dc01abf9cd7fd0ea256af4df02811640,
current state from region state map ={t,,1349484359011.dc01abf9cd7fd0ea256af4df02811640. state=OFFLINE,
ts=1349484372508, server=null}
{code}
Looks like NPE happened on this line:
{code}
      this.gate.set(true);
{code}

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