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From "Ted Yu (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HBASE-12685) TestSplitLogManager#testLogFilesAreArchived sometimes times out due to race condition
Date Sun, 14 Dec 2014 18:19:13 GMT
Ted Yu created HBASE-12685:
------------------------------

             Summary: TestSplitLogManager#testLogFilesAreArchived sometimes times out due
to race condition 
                 Key: HBASE-12685
                 URL: https://issues.apache.org/jira/browse/HBASE-12685
             Project: HBase
          Issue Type: Test
            Reporter: Ted Yu
            Assignee: Ted Yu
            Priority: Minor


>From https://builds.apache.org/job/hbase-0.98/739/testReport/org.apache.hadoop.hbase.master/TestSplitLogManager/testLogFilesAreArchived/
:
{code}
2014-12-14 14:40:30,420 INFO  [Thread-27] master.SplitLogManager(325): started splitting 1
logs in [/home/jenkins/jenkins-slave/workspace/HBase-0.98/hbase-server/target/test-data/c065c13d-bc83-48e7-9178-51a14df531c3/testLogFilesAreArchived/f7ae1e8f-c848-4089-b5b1-20aff73c81dd]
2014-12-14 14:40:30,422 WARN  [Thread-31] master.TestSplitLogManager$5(527): org.apache.zookeeper.KeeperException$NoNodeException:
KeeperErrorCode = NoNode for /hbase/splitWAL/f7ae1e8f-c848-4089-b5b1-20aff73c81dd%2Ffoo%2C1%2C1
2014-12-14 14:40:30,423 DEBUG [main-EventThread] master.SplitLogManager(703): put up splitlog
task at znode /hbase/splitWAL/f7ae1e8f-c848-4089-b5b1-20aff73c81dd%2Ffoo%2C1%2C1
{code}
The thread which mocks split done called ZKUtil.setData() before SplitLogManager put up the
splitlog task znode. The setting of done to true should exclude the above scenario.
Otherwise log split task would miss the split done mock, resulting in test failure:
{code}
2014-12-14 14:41:18,562 INFO  [main-EventThread] master.SplitLogManager(753): task /hbase/splitWAL/RESCAN0000000004
entered state: DONE dummy-master,1,1
2014-12-14 14:41:18,563 DEBUG [main-EventThread] zookeeper.ZooKeeperWatcher(312): split-log-manager-testsa62d20ae-9904-4dc6-9e79-b7d98486dd49-0x14a493e58af0000,
quorum=localhost:50869, baseZNode=/hbase Received ZooKeeper Event, type=NodeDeleted, state=SyncConnected,
path=/hbase/splitWAL/RESCAN0000000004
2014-12-14 14:41:18,563 DEBUG [main-EventThread] master.SplitLogManager$DeleteAsyncCallback(1712):
deleted /hbase/splitWAL/RESCAN0000000004
2014-12-14 14:41:18,563 DEBUG [main-EventThread] master.SplitLogManager(935): deleted task
without in memory state /hbase/splitWAL/RESCAN0000000004
2014-12-14 14:41:20,562 INFO  [dummy-master,1,1.splitLogManagerTimeoutMonitor] master.SplitLogManager$TimeoutMonitor(1502):
total tasks = 1 unassigned = 1 tasks={/hbase/splitWAL/f7ae1e8f-c848-4089-b5b1-20aff73c81dd%2Ffoo%2C1%2C1=last_update
= -1 last_version = -1 cur_worker_name = null status = in_progress incarnation = 0 resubmits
= 0 batch = installed = 1 done = 0 error = 0}
2014-12-14 14:41:25,568 INFO  [dummy-master,1,1.splitLogManagerTimeoutMonitor] master.SplitLogManager$TimeoutMonitor(1502):
total tasks = 1 unassigned = 1 tasks={/hbase/splitWAL/f7ae1e8f-c848-4089-b5b1-20aff73c81dd%2Ffoo%2C1%2C1=last_update
= -1 last_version = -1 cur_worker_name = null status = in_progress incarnation = 0 resubmits
= 0 batch = installed = 1 done = 0 error = 0}
2014-12-14 14:41:30,399 WARN  [Thread-27] master.SplitLogManager(441): Interrupted while waiting
for log splits to be completed
{code}



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