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https://issues.apache.org/jira/browse/HBASE-8333?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13630417#comment-13630417
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Sergey Shelukhin commented on HBASE-8333:
-----------------------------------------
+1
> TestTableLockManager#testDelete failed in trunk build #4056
> -----------------------------------------------------------
>
> Key: HBASE-8333
> URL: https://issues.apache.org/jira/browse/HBASE-8333
> Project: HBase
> Issue Type: Test
> Reporter: Ted Yu
> Assignee: Ted Yu
> Fix For: 0.98.0
>
> Attachments: 8333-v2.txt
>
>
> {code}
> java.lang.AssertionError
> at org.junit.Assert.fail(Assert.java:86)
> at org.junit.Assert.assertTrue(Assert.java:41)
> at org.junit.Assert.assertTrue(Assert.java:52)
> at
> org.apache.hadoop.hbase.master.TestTableLockManager.testDelete(TestTableLockManager.java:250)
> {code}
> It corresponds to this assertion:
> {code}
> assertTrue(ZKUtil.checkExists(zkWatcher,
> ZKUtil.joinZNode(zkWatcher.tableLockZNode,
> Bytes.toString(TABLE_NAME))) < 0);
> {code}
> In test output
> (https://builds.apache.org/job/HBase-TRUNK/4056/testReport/junit/org.apache.hadoop.hbase.master/TestTableLockManager/testDelete/):
> {code}
> 2013-04-12 10:46:02,642 DEBUG
> [MASTER_TABLE_OPERATIONS-janus.apache.org,36265,1365763551669-0]
> handler.DeleteTableHandler(113): Table 'TestTableLevelLocks' archived!
> 2013-04-12 10:46:02,642 DEBUG
> [MASTER_TABLE_OPERATIONS-janus.apache.org,36265,1365763551669-0]
> handler.DeleteTableHandler(117): Removing 'TestTableLevelLocks' descriptor.
> 2013-04-12 10:46:02,643 DEBUG
> [MASTER_TABLE_OPERATIONS-janus.apache.org,36265,1365763551669-0]
> handler.DeleteTableHandler(121): Marking 'TestTableLevelLocks' as deleted.
> 2013-04-12 10:46:02,658 DEBUG
> [MASTER_TABLE_OPERATIONS-janus.apache.org,36265,1365763551669-0]
> master.TableLockManager$ZKTableLockManager$TableLockImpl(253): Attempt to
> release table write lock on :TestTableLevelLocks
> 2013-04-12 10:46:02,667 DEBUG
> [RS_CLOSE_META-janus.apache.org,54489,1365763551867-0] util.FSUtils(211):
> Creating
> file=hdfs://localhost:52497/user/jenkins/hbase/.META./1028785192/.tmp/59ec68e4587d43d6bc026e4d6f2aafa2
> with permission=rwxrwxrwx
> 2013-04-12 10:46:02,674 DEBUG
> [MASTER_TABLE_OPERATIONS-janus.apache.org,36265,1365763551669-0]
> lock.ZKInterProcessLockBase(297): Successfully released
> /hbase/table-lock/TestTableLevelLocks/write-master:362650000000002
> 2013-04-12 10:46:02,675 DEBUG
> [MASTER_TABLE_OPERATIONS-janus.apache.org,36265,1365763551669-0]
> master.TableLockManager$ZKTableLockManager$TableLockImpl(269): Released table
> lock on :TestTableLevelLocks
> {code}
> This seems to be timing issue: when admin.deleteTable(TABLE_NAME) returned,
> TableLockManager hadn't got around to finishing the release of table lock.
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