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From "Ted Yu (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HBASE-10475) TestRegionServerCoprocessorExceptionWithAbort may timeout due to concurrent lease removal
Date Thu, 06 Feb 2014 00:54:10 GMT

     [ https://issues.apache.org/jira/browse/HBASE-10475?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Ted Yu updated HBASE-10475:
---------------------------

    Attachment: 10475-v2.txt

How about patch v2 ?

> TestRegionServerCoprocessorExceptionWithAbort may timeout due to concurrent lease removal
> -----------------------------------------------------------------------------------------
>
>                 Key: HBASE-10475
>                 URL: https://issues.apache.org/jira/browse/HBASE-10475
>             Project: HBase
>          Issue Type: Test
>            Reporter: Ted Yu
>            Assignee: Ted Yu
>            Priority: Minor
>         Attachments: 10475-v1.txt, 10475-v2.txt, org.apache.hadoop.hbase.coprocessor.TestRegionServerCoprocessorExceptionWithAbort-output.txt
>
>
> I got the following test failure:
> {code}
> testExceptionFromCoprocessorDuringPut(org.apache.hadoop.hbase.coprocessor.TestRegionServerCoprocessorExceptionWithAbort)
 Time elapsed: 0.049 sec  <<< ERROR!
> java.lang.Exception: test timed out after 60000 milliseconds
>         at java.lang.Object.wait(Native Method)
>         at org.apache.hadoop.hbase.client.AsyncProcess.waitForNextTaskDone(AsyncProcess.java:837)
>         at org.apache.hadoop.hbase.client.AsyncProcess.waitForMaximumCurrentTasks(AsyncProcess.java:863)
>         at org.apache.hadoop.hbase.client.AsyncProcess.waitUntilDone(AsyncProcess.java:876)
>         at org.apache.hadoop.hbase.client.HTable.backgroundFlushCommits(HTable.java:945)
>         at org.apache.hadoop.hbase.client.HTable.flushCommits(HTable.java:1225)
>         at org.apache.hadoop.hbase.client.HTable.put(HTable.java:887)
>         at org.apache.hadoop.hbase.coprocessor.TestRegionServerCoprocessorExceptionWithAbort.testExceptionFromCoprocessorDuringPut(TestRegionServerCoprocessorExceptionWithAbort.java:106)
> {code}
> This was due to unexpected LeaseException bringing down region server:
> {code}
> 2014-02-05 19:28:24,752 ERROR [RS_OPEN_REGION-kiyo:56349-1] coprocessor.CoprocessorHost(760):
The coprocessor org.apache.hadoop.hbase.coprocessor.TestRegionServerCoprocessorExceptionWithAbort$BuggyRegionObserver
threw an unexpected exception
> org.apache.hadoop.hbase.regionserver.LeaseException: lease 'x' does not exist
> 	at org.apache.hadoop.hbase.regionserver.Leases.removeLease(Leases.java:221)
> 	at org.apache.hadoop.hbase.regionserver.Leases.cancelLease(Leases.java:206)
> 	at org.apache.hadoop.hbase.coprocessor.SimpleRegionObserver.start(SimpleRegionObserver.java:140)
> 	at org.apache.hadoop.hbase.coprocessor.CoprocessorHost$Environment.startup(CoprocessorHost.java:651)
> 	at org.apache.hadoop.hbase.coprocessor.CoprocessorHost.loadInstance(CoprocessorHost.java:261)
> {code}



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