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Posted to issues@hbase.apache.org by "Ted Yu (JIRA)" <ji...@apache.org> on 2012/10/06 04:10:02 UTC
[jira] [Created] (HBASE-6958) TestAssignmentManager fails in trunk
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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[jira] [Commented] (HBASE-6958) TestAssignmentManager sometimes
fails
Posted by "Hudson (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/HBASE-6958?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13496079#comment-13496079 ]
Hudson commented on HBASE-6958:
-------------------------------
Integrated in HBase-0.94-security #83 (See [https://builds.apache.org/job/HBase-0.94-security/83/])
HBASE-6958 TestAssignmentManager sometimes fails (Revision 1406700)
Result = SUCCESS
jxiang :
Files :
* /hbase/branches/0.94/src/test/java/org/apache/hadoop/hbase/master/TestAssignmentManager.java
> TestAssignmentManager sometimes fails
> -------------------------------------
>
> Key: HBASE-6958
> URL: https://issues.apache.org/jira/browse/HBASE-6958
> Project: HBase
> Issue Type: Bug
> Components: test
> Reporter: Ted Yu
> Assignee: Jimmy Xiang
> Fix For: 0.94.3, 0.96.0
>
> Attachments: 6958_0.94.patch, trunk-6958.patch
>
>
> 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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[jira] [Commented] (HBASE-6958) TestAssignmentManager fails in
trunk
Posted by "Ted Yu (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/HBASE-6958?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13470874#comment-13470874 ]
Ted Yu commented on HBASE-6958:
-------------------------------
Making timeout longer, I found that there was trouble scanning .META.
Here is jstack:
{code}
"RunAmJoinCluster" prio=5 tid=0x00007ffc32041000 nid=0x6d03 waiting on condition [0x0000000113fd6000]
java.lang.Thread.State: TIMED_WAITING (sleeping)
at java.lang.Thread.sleep(Native Method)
at org.apache.hadoop.hbase.client.ServerCallable.withRetries(ServerCallable.java:194)
at org.apache.hadoop.hbase.client.ClientScanner.close(ClientScanner.java:371)
at org.apache.hadoop.hbase.client.ClientScanner.nextScanner(ClientScanner.java:218)
at org.apache.hadoop.hbase.client.ClientScanner.<init>(ClientScanner.java:127)
at org.apache.hadoop.hbase.client.HTable.getScanner(HTable.java:668)
at org.apache.hadoop.hbase.catalog.MetaReader.fullScan(MetaReader.java:567)
at org.apache.hadoop.hbase.catalog.MetaReader.fullScan(MetaReader.java:181)
at org.apache.hadoop.hbase.catalog.MetaReader.fullScan(MetaReader.java:141)
at org.apache.hadoop.hbase.master.AssignmentManager.rebuildUserRegions(AssignmentManager.java:2163)
at org.apache.hadoop.hbase.master.AssignmentManager.joinCluster(AssignmentManager.java:320)
at org.apache.hadoop.hbase.master.TestAssignmentManager$2.run(TestAssignmentManager.java:1087)
{code}
> TestAssignmentManager fails in trunk
> ------------------------------------
>
> Key: HBASE-6958
> URL: https://issues.apache.org/jira/browse/HBASE-6958
> Project: HBase
> Issue Type: Bug
> Reporter: Ted Yu
> Fix For: 0.96.0
>
>
> From https://builds.apache.org/job/HBase-TRUNK/3432/testReport/junit/org.apache.hadoop.hbase.master/TestAssignmentManager/testBalanceOnMasterFailoverScenarioWithOpenedNode/ :
> {code}
> Stacktrace
> java.lang.Exception: test timed out after 5000 milliseconds
> at java.lang.System.arraycopy(Native Method)
> at java.lang.ThreadGroup.remove(ThreadGroup.java:969)
> at java.lang.ThreadGroup.threadTerminated(ThreadGroup.java:942)
> at java.lang.Thread.exit(Thread.java:732)
> ...
> 2012-10-06 00:46:12,521 DEBUG [MASTER_CLOSE_REGION-mockedAMExecutor-0] zookeeper.ZKUtil(1141): mockedServer-0x13a33892de7000e Retrieved 81 byte(s) of data from znode /hbase/unassigned/dc01abf9cd7fd0ea256af4df02811640 and set watcher; region=t,,1349484359011.dc01abf9cd7fd0ea256af4df02811640., state=M_ZK_REGION_OFFLINE, servername=master,1,1, createTime=1349484372509, payload.length=0
> 2012-10-06 00:46:12,522 ERROR [MASTER_CLOSE_REGION-mockedAMExecutor-0] executor.EventHandler(205): Caught throwable while processing event RS_ZK_REGION_CLOSED
> java.lang.NullPointerException
> at org.apache.hadoop.hbase.master.TestAssignmentManager$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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[jira] [Commented] (HBASE-6958) TestAssignmentManager sometimes
fails in trunk
Posted by "stack (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/HBASE-6958?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13472751#comment-13472751 ]
stack commented on HBASE-6958:
------------------------------
Any chance of a patch Ted?
> TestAssignmentManager sometimes fails in trunk
> ----------------------------------------------
>
> Key: HBASE-6958
> URL: https://issues.apache.org/jira/browse/HBASE-6958
> Project: HBase
> Issue Type: Bug
> Reporter: Ted Yu
> Fix For: 0.96.0
>
>
> 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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[jira] [Updated] (HBASE-6958) TestAssignmentManager sometimes fails
Posted by "Jimmy Xiang (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/HBASE-6958?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Jimmy Xiang updated HBASE-6958:
-------------------------------
Attachment: 6958_0.94.patch
> TestAssignmentManager sometimes fails
> -------------------------------------
>
> Key: HBASE-6958
> URL: https://issues.apache.org/jira/browse/HBASE-6958
> Project: HBase
> Issue Type: Bug
> Components: test
> Reporter: Ted Yu
> Assignee: Jimmy Xiang
> Fix For: 0.96.0, 0.94.4
>
> Attachments: 6958_0.94.patch, trunk-6958.patch
>
>
> 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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[jira] [Commented] (HBASE-6958) TestAssignmentManager sometimes
fails in trunk
Posted by "Jimmy Xiang (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/HBASE-6958?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13473414#comment-13473414 ]
Jimmy Xiang commented on HBASE-6958:
------------------------------------
I am working on HBASE-6611, and very close to post a new patch (early next week most likely), which will change this test a little bit. We can check if the issue is still there with that patch.
> TestAssignmentManager sometimes fails in trunk
> ----------------------------------------------
>
> Key: HBASE-6958
> URL: https://issues.apache.org/jira/browse/HBASE-6958
> Project: HBase
> Issue Type: Bug
> Reporter: Ted Yu
> Fix For: 0.96.0
>
>
> 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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[jira] [Commented] (HBASE-6958) TestAssignmentManager sometimes
fails
Posted by "Hadoop QA (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/HBASE-6958?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13491947#comment-13491947 ]
Hadoop QA commented on HBASE-6958:
----------------------------------
{color:red}-1 overall{color}. Here are the results of testing the latest attachment
http://issues.apache.org/jira/secure/attachment/12552340/trunk-6958.patch
against trunk revision .
{color:green}+1 @author{color}. The patch does not contain any @author tags.
{color:green}+1 tests included{color}. The patch appears to include 3 new or modified tests.
{color:green}+1 hadoop2.0{color}. The patch compiles against the hadoop 2.0 profile.
{color:red}-1 javadoc{color}. The javadoc tool appears to have generated 85 warning messages.
{color:green}+1 javac{color}. The applied patch does not increase the total number of javac compiler warnings.
{color:red}-1 findbugs{color}. The patch appears to introduce 11 new Findbugs (version 1.3.9) warnings.
{color:green}+1 release audit{color}. The applied patch does not increase the total number of release audit warnings.
{color:green}+1 core tests{color}. The patch passed unit tests in .
Test results: https://builds.apache.org/job/PreCommit-HBASE-Build/3238//testReport/
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/3238//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-hadoop2-compat.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/3238//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-examples.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/3238//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-hadoop1-compat.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/3238//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-common.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/3238//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-hadoop-compat.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/3238//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-server.html
Console output: https://builds.apache.org/job/PreCommit-HBASE-Build/3238//console
This message is automatically generated.
> TestAssignmentManager sometimes fails
> -------------------------------------
>
> Key: HBASE-6958
> URL: https://issues.apache.org/jira/browse/HBASE-6958
> Project: HBase
> Issue Type: Bug
> Components: test
> Reporter: Ted Yu
> Assignee: Jimmy Xiang
> Fix For: 0.96.0, 0.94.4
>
> Attachments: 6958_0.94.patch, trunk-6958.patch
>
>
> 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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[jira] [Updated] (HBASE-6958) TestAssignmentManager sometimes fails
Posted by "Jimmy Xiang (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/HBASE-6958?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Jimmy Xiang updated HBASE-6958:
-------------------------------
Component/s: test
> TestAssignmentManager sometimes fails
> -------------------------------------
>
> Key: HBASE-6958
> URL: https://issues.apache.org/jira/browse/HBASE-6958
> Project: HBase
> Issue Type: Bug
> Components: test
> Reporter: Ted Yu
> Assignee: Jimmy Xiang
> Fix For: 0.96.0, 0.94.4
>
> Attachments: 6958_0.94.patch, trunk-6958.patch
>
>
> 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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[jira] [Commented] (HBASE-6958) TestAssignmentManager sometimes
fails
Posted by "Jimmy Xiang (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/HBASE-6958?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13492099#comment-13492099 ]
Jimmy Xiang commented on HBASE-6958:
------------------------------------
@Ted, thanks a lot for review. I think the trunk patch is also needed since we can't guarantee the test execution order.
> TestAssignmentManager sometimes fails
> -------------------------------------
>
> Key: HBASE-6958
> URL: https://issues.apache.org/jira/browse/HBASE-6958
> Project: HBase
> Issue Type: Bug
> Components: test
> Reporter: Ted Yu
> Assignee: Jimmy Xiang
> Fix For: 0.96.0, 0.94.4
>
> Attachments: 6958_0.94.patch, trunk-6958.patch
>
>
> 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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[jira] [Commented] (HBASE-6958) TestAssignmentManager sometimes
fails in trunk
Posted by "Jimmy Xiang (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/HBASE-6958?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13474386#comment-13474386 ]
Jimmy Xiang commented on HBASE-6958:
------------------------------------
With the patch(v4) for HBASE-6611, I ran the test 20+ times and didn't see the issue. Here is my env:
Apache Maven 3.0.3 (r1075438; 2011-02-28 09:31:09-0800)
Maven home: /etc/vendor/apache-maven-3.0.3
Java version: 1.7.0_07, vendor: Oracle Corporation
Java home: /etc/vendor/jdk1.7.0_07/jre
Default locale: en_US, platform encoding: UTF-8
OS name: "linux", version: "3.0.0-14-generic", arch: "amd64", family: "unix"
Here is the command I used:
mvn -DcompileSource=1.7 -PlocalTests clean test -Dtest=TestAssignmentManager
> TestAssignmentManager sometimes fails in trunk
> ----------------------------------------------
>
> Key: HBASE-6958
> URL: https://issues.apache.org/jira/browse/HBASE-6958
> Project: HBase
> Issue Type: Bug
> Reporter: Ted Yu
> Fix For: 0.96.0
>
>
> 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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[jira] [Commented] (HBASE-6958) TestAssignmentManager sometimes
fails
Posted by "Hudson (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/HBASE-6958?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13492568#comment-13492568 ]
Hudson commented on HBASE-6958:
-------------------------------
Integrated in HBase-TRUNK #3518 (See [https://builds.apache.org/job/HBase-TRUNK/3518/])
HBASE-6958 TestAssignmentManager sometimes fails (Revision 1406699)
Result = FAILURE
jxiang :
Files :
* /hbase/trunk/hbase-server/src/test/java/org/apache/hadoop/hbase/master/TestAssignmentManager.java
> TestAssignmentManager sometimes fails
> -------------------------------------
>
> Key: HBASE-6958
> URL: https://issues.apache.org/jira/browse/HBASE-6958
> Project: HBase
> Issue Type: Bug
> Components: test
> Reporter: Ted Yu
> Assignee: Jimmy Xiang
> Fix For: 0.96.0, 0.94.4
>
> Attachments: 6958_0.94.patch, trunk-6958.patch
>
>
> 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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[jira] [Commented] (HBASE-6958) TestAssignmentManager sometimes
fails
Posted by "Ted Yu (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/HBASE-6958?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13491892#comment-13491892 ]
Ted Yu commented on HBASE-6958:
-------------------------------
+1 on patch for 0.94
Looped TestAssignmentManager 8 times locally with the patch and they passed.
> TestAssignmentManager sometimes fails
> -------------------------------------
>
> Key: HBASE-6958
> URL: https://issues.apache.org/jira/browse/HBASE-6958
> Project: HBase
> Issue Type: Bug
> Components: test
> Reporter: Ted Yu
> Assignee: Jimmy Xiang
> Fix For: 0.96.0, 0.94.4
>
> Attachments: 6958_0.94.patch, trunk-6958.patch
>
>
> 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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[jira] [Commented] (HBASE-6958) TestAssignmentManager sometimes
fails in trunk
Posted by "ramkrishna.s.vasudevan (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/HBASE-6958?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13473387#comment-13473387 ]
ramkrishna.s.vasudevan commented on HBASE-6958:
-----------------------------------------------
I was looking thro this. As per the failing testcase it should not use the MockLoadBalancer itself. Strange.
But the reason could be MockLoadBalancer is not reverted back to normal balancer in one of the testcase which uses MockLoadBalancer. Added to that i was not able to reproduce the issue in my machine.
> TestAssignmentManager sometimes fails in trunk
> ----------------------------------------------
>
> Key: HBASE-6958
> URL: https://issues.apache.org/jira/browse/HBASE-6958
> Project: HBase
> Issue Type: Bug
> Reporter: Ted Yu
> Fix For: 0.96.0
>
>
> 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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[jira] [Commented] (HBASE-6958) TestAssignmentManager sometimes
fails
Posted by "Hudson (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/HBASE-6958?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13492845#comment-13492845 ]
Hudson commented on HBASE-6958:
-------------------------------
Integrated in HBase-TRUNK-on-Hadoop-2.0.0 #252 (See [https://builds.apache.org/job/HBase-TRUNK-on-Hadoop-2.0.0/252/])
HBASE-6958 TestAssignmentManager sometimes fails (Revision 1406699)
Result = FAILURE
jxiang :
Files :
* /hbase/trunk/hbase-server/src/test/java/org/apache/hadoop/hbase/master/TestAssignmentManager.java
> TestAssignmentManager sometimes fails
> -------------------------------------
>
> Key: HBASE-6958
> URL: https://issues.apache.org/jira/browse/HBASE-6958
> Project: HBase
> Issue Type: Bug
> Components: test
> Reporter: Ted Yu
> Assignee: Jimmy Xiang
> Fix For: 0.96.0, 0.94.4
>
> Attachments: 6958_0.94.patch, trunk-6958.patch
>
>
> 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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[jira] [Updated] (HBASE-6958) TestAssignmentManager sometimes fails
Posted by "Jimmy Xiang (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/HBASE-6958?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Jimmy Xiang updated HBASE-6958:
-------------------------------
Attachment: trunk-6958.patch
> TestAssignmentManager sometimes fails
> -------------------------------------
>
> Key: HBASE-6958
> URL: https://issues.apache.org/jira/browse/HBASE-6958
> Project: HBase
> Issue Type: Bug
> Components: test
> Reporter: Ted Yu
> Assignee: Jimmy Xiang
> Fix For: 0.96.0, 0.94.4
>
> Attachments: 6958_0.94.patch, trunk-6958.patch
>
>
> 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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[jira] [Commented] (HBASE-6958) TestAssignmentManager sometimes
fails
Posted by "ramkrishna.s.vasudevan (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/HBASE-6958?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13492107#comment-13492107 ]
ramkrishna.s.vasudevan commented on HBASE-6958:
-----------------------------------------------
+1 on patch.
> TestAssignmentManager sometimes fails
> -------------------------------------
>
> Key: HBASE-6958
> URL: https://issues.apache.org/jira/browse/HBASE-6958
> Project: HBase
> Issue Type: Bug
> Components: test
> Reporter: Ted Yu
> Assignee: Jimmy Xiang
> Fix For: 0.96.0, 0.94.4
>
> Attachments: 6958_0.94.patch, trunk-6958.patch
>
>
> 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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[jira] [Updated] (HBASE-6958) TestAssignmentManager sometimes fails
Posted by "Jimmy Xiang (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/HBASE-6958?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Jimmy Xiang updated HBASE-6958:
-------------------------------
Resolution: Fixed
Hadoop Flags: Reviewed
Status: Resolved (was: Patch Available)
Integrated into trunk and 0.94. Thanks Ted and Ram for the review.
> TestAssignmentManager sometimes fails
> -------------------------------------
>
> Key: HBASE-6958
> URL: https://issues.apache.org/jira/browse/HBASE-6958
> Project: HBase
> Issue Type: Bug
> Components: test
> Reporter: Ted Yu
> Assignee: Jimmy Xiang
> Fix For: 0.96.0, 0.94.4
>
> Attachments: 6958_0.94.patch, trunk-6958.patch
>
>
> 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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[jira] [Commented] (HBASE-6958) TestAssignmentManager sometimes
fails in trunk
Posted by "Jimmy Xiang (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/HBASE-6958?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13472792#comment-13472792 ]
Jimmy Xiang commented on HBASE-6958:
------------------------------------
I can take a look next week if it is not urgent.
> TestAssignmentManager sometimes fails in trunk
> ----------------------------------------------
>
> Key: HBASE-6958
> URL: https://issues.apache.org/jira/browse/HBASE-6958
> Project: HBase
> Issue Type: Bug
> Reporter: Ted Yu
> Fix For: 0.96.0
>
>
> 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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[jira] [Commented] (HBASE-6958) TestAssignmentManager sometimes
fails
Posted by "Hadoop QA (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/HBASE-6958?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13491910#comment-13491910 ]
Hadoop QA commented on HBASE-6958:
----------------------------------
{color:red}-1 overall{color}. Here are the results of testing the latest attachment
http://issues.apache.org/jira/secure/attachment/12552340/trunk-6958.patch
against trunk revision .
{color:green}+1 @author{color}. The patch does not contain any @author tags.
{color:green}+1 tests included{color}. The patch appears to include 3 new or modified tests.
{color:green}+1 hadoop2.0{color}. The patch compiles against the hadoop 2.0 profile.
{color:red}-1 javadoc{color}. The javadoc tool appears to have generated 85 warning messages.
{color:green}+1 javac{color}. The applied patch does not increase the total number of javac compiler warnings.
{color:red}-1 findbugs{color}. The patch appears to introduce 11 new Findbugs (version 1.3.9) warnings.
{color:green}+1 release audit{color}. The applied patch does not increase the total number of release audit warnings.
{color:green}+1 core tests{color}. The patch passed unit tests in .
Test results: https://builds.apache.org/job/PreCommit-HBASE-Build/3234//testReport/
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/3234//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-hadoop2-compat.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/3234//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-examples.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/3234//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-server.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/3234//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-hadoop1-compat.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/3234//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-common.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/3234//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-hadoop-compat.html
Console output: https://builds.apache.org/job/PreCommit-HBASE-Build/3234//console
This message is automatically generated.
> TestAssignmentManager sometimes fails
> -------------------------------------
>
> Key: HBASE-6958
> URL: https://issues.apache.org/jira/browse/HBASE-6958
> Project: HBase
> Issue Type: Bug
> Components: test
> Reporter: Ted Yu
> Assignee: Jimmy Xiang
> Fix For: 0.96.0, 0.94.4
>
> Attachments: 6958_0.94.patch, trunk-6958.patch
>
>
> 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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[jira] [Assigned] (HBASE-6958) TestAssignmentManager sometimes
fails in trunk
Posted by "Jimmy Xiang (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/HBASE-6958?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Jimmy Xiang reassigned HBASE-6958:
----------------------------------
Assignee: Jimmy Xiang
> TestAssignmentManager sometimes fails in trunk
> ----------------------------------------------
>
> Key: HBASE-6958
> URL: https://issues.apache.org/jira/browse/HBASE-6958
> Project: HBase
> Issue Type: Bug
> Reporter: Ted Yu
> Assignee: Jimmy Xiang
> Fix For: 0.96.0
>
>
> 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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[jira] [Updated] (HBASE-6958) TestAssignmentManager sometimes fails
Posted by "Jimmy Xiang (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/HBASE-6958?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Jimmy Xiang updated HBASE-6958:
-------------------------------
Status: Patch Available (was: Open)
Looked into it. The failure is because the execution order. Some test changes some setting without reverting it back afterwards.
> TestAssignmentManager sometimes fails
> -------------------------------------
>
> Key: HBASE-6958
> URL: https://issues.apache.org/jira/browse/HBASE-6958
> Project: HBase
> Issue Type: Bug
> Components: test
> Reporter: Ted Yu
> Assignee: Jimmy Xiang
> Fix For: 0.96.0, 0.94.4
>
> Attachments: 6958_0.94.patch, trunk-6958.patch
>
>
> 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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[jira] [Updated] (HBASE-6958) TestAssignmentManager sometimes fails
Posted by "Jimmy Xiang (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/HBASE-6958?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Jimmy Xiang updated HBASE-6958:
-------------------------------
Fix Version/s: 0.94.4
Summary: TestAssignmentManager sometimes fails (was: TestAssignmentManager sometimes fails in trunk)
I don't see it fail in trunk anymore. However, I can see it still fails in 0.94.
> TestAssignmentManager sometimes fails
> -------------------------------------
>
> Key: HBASE-6958
> URL: https://issues.apache.org/jira/browse/HBASE-6958
> Project: HBase
> Issue Type: Bug
> Reporter: Ted Yu
> Assignee: Jimmy Xiang
> Fix For: 0.96.0, 0.94.4
>
>
> 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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[jira] [Updated] (HBASE-6958) TestAssignmentManager sometimes fails
Posted by "Lars Hofhansl (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/HBASE-6958?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Lars Hofhansl updated HBASE-6958:
---------------------------------
Fix Version/s: (was: 0.94.4)
0.94.3
Correcting the target to 0.94.3.
Please make sure that when you commit a change the jira is marked for the correct branch/point-release; otherwise the generated release-notes will be incorrect.
> TestAssignmentManager sometimes fails
> -------------------------------------
>
> Key: HBASE-6958
> URL: https://issues.apache.org/jira/browse/HBASE-6958
> Project: HBase
> Issue Type: Bug
> Components: test
> Reporter: Ted Yu
> Assignee: Jimmy Xiang
> Fix For: 0.94.3, 0.96.0
>
> Attachments: 6958_0.94.patch, trunk-6958.patch
>
>
> 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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[jira] [Commented] (HBASE-6958) TestAssignmentManager sometimes
fails
Posted by "Hudson (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/HBASE-6958?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13492573#comment-13492573 ]
Hudson commented on HBASE-6958:
-------------------------------
Integrated in HBase-0.94 #576 (See [https://builds.apache.org/job/HBase-0.94/576/])
HBASE-6958 TestAssignmentManager sometimes fails (Revision 1406700)
Result = FAILURE
jxiang :
Files :
* /hbase/branches/0.94/src/test/java/org/apache/hadoop/hbase/master/TestAssignmentManager.java
> TestAssignmentManager sometimes fails
> -------------------------------------
>
> Key: HBASE-6958
> URL: https://issues.apache.org/jira/browse/HBASE-6958
> Project: HBase
> Issue Type: Bug
> Components: test
> Reporter: Ted Yu
> Assignee: Jimmy Xiang
> Fix For: 0.96.0, 0.94.4
>
> Attachments: 6958_0.94.patch, trunk-6958.patch
>
>
> 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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[jira] [Updated] (HBASE-6958) TestAssignmentManager sometimes fails
in trunk
Posted by "Ted Yu (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/HBASE-6958?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Ted Yu updated HBASE-6958:
--------------------------
Summary: TestAssignmentManager sometimes fails in trunk (was: TestAssignmentManager fails in trunk)
> TestAssignmentManager sometimes fails in trunk
> ----------------------------------------------
>
> Key: HBASE-6958
> URL: https://issues.apache.org/jira/browse/HBASE-6958
> Project: HBase
> Issue Type: Bug
> Reporter: Ted Yu
> Fix For: 0.96.0
>
>
> 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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[jira] [Updated] (HBASE-6958) TestAssignmentManager fails in trunk
Posted by "Ted Yu (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/HBASE-6958?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Ted Yu updated HBASE-6958:
--------------------------
Fix Version/s: 0.96.0
> TestAssignmentManager fails in trunk
> ------------------------------------
>
> Key: HBASE-6958
> URL: https://issues.apache.org/jira/browse/HBASE-6958
> Project: HBase
> Issue Type: Bug
> Reporter: Ted Yu
> Fix For: 0.96.0
>
>
> 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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[jira] [Commented] (HBASE-6958) TestAssignmentManager sometimes
fails
Posted by "Ted Yu (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/HBASE-6958?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13492154#comment-13492154 ]
Ted Yu commented on HBASE-6958:
-------------------------------
Trunk patch looks good.
> TestAssignmentManager sometimes fails
> -------------------------------------
>
> Key: HBASE-6958
> URL: https://issues.apache.org/jira/browse/HBASE-6958
> Project: HBase
> Issue Type: Bug
> Components: test
> Reporter: Ted Yu
> Assignee: Jimmy Xiang
> Fix For: 0.96.0, 0.94.4
>
> Attachments: 6958_0.94.patch, trunk-6958.patch
>
>
> 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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[jira] [Commented] (HBASE-6958) TestAssignmentManager sometimes
fails in trunk
Posted by "Ted Yu (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/HBASE-6958?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13470884#comment-13470884 ]
Ted Yu commented on HBASE-6958:
-------------------------------
Here is my environment:
Darwin L0032 11.4.2 Darwin Kernel Version 11.4.2: Thu Aug 23 16:25:48 PDT 2012; root:xnu-1699.32.7~1/RELEASE_X86_64 x86_64
java version "1.7.0_07"
Java(TM) SE Runtime Environment (build 1.7.0_07-b10)
Java HotSpot(TM) 64-Bit Server VM (build 23.3-b01, mixed mode)
> TestAssignmentManager sometimes fails in trunk
> ----------------------------------------------
>
> Key: HBASE-6958
> URL: https://issues.apache.org/jira/browse/HBASE-6958
> Project: HBase
> Issue Type: Bug
> Reporter: Ted Yu
> Fix For: 0.96.0
>
>
> 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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