zhangduo created HBASE-13133:
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Summary: NPE when running TestSplitLogManager
Key: HBASE-13133
URL: https://issues.apache.org/jira/browse/HBASE-13133
Project: HBase
Issue Type: Bug
Reporter: zhangduo
https://builds.apache.org/job/HBase-TRUNK/6187/testReport/junit/org.apache.hadoop.hbase.master/TestSplitLogManager/testOrphanTaskAcquisition/
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2015-03-01 01:34:58,902 INFO [Thread-23] master.TestSplitLogManager(298):
TestOrphanTaskAcquisition
2015-03-01 01:34:58,904 DEBUG [Thread-23]
coordination.ZKSplitLogManagerCoordination(870): Distributed log replay=true
2015-03-01 01:34:58,907 INFO [Thread-23]
coordination.ZKSplitLogManagerCoordination(594): found orphan task
orphan%2Ftest%2Fslash
2015-03-01 01:34:58,913 INFO [Thread-23]
coordination.ZKSplitLogManagerCoordination(598): Found 1 orphan tasks and 0
rescan nodes
2015-03-01 01:34:58,913 ERROR [main-EventThread]
zookeeper.ClientCnxn$EventThread(613): Caught unexpected throwable
java.lang.NullPointerException
at
org.apache.hadoop.hbase.coordination.ZKSplitLogManagerCoordination.findOrCreateOrphanTask(ZKSplitLogManagerCoordination.java:546)
at
org.apache.hadoop.hbase.coordination.ZKSplitLogManagerCoordination.heartbeat(ZKSplitLogManagerCoordination.java:556)
at
org.apache.hadoop.hbase.coordination.ZKSplitLogManagerCoordination.getDataSetWatchSuccess(ZKSplitLogManagerCoordination.java:467)
at
org.apache.hadoop.hbase.coordination.ZKSplitLogManagerCoordination.access$700(ZKSplitLogManagerCoordination.java:74)
at
org.apache.hadoop.hbase.coordination.ZKSplitLogManagerCoordination$GetDataAsyncCallback.processResult(ZKSplitLogManagerCoordination.java:1020)
at
org.apache.zookeeper.ClientCnxn$EventThread.processEvent(ClientCnxn.java:561)
at org.apache.zookeeper.ClientCnxn$EventThread.run(ClientCnxn.java:498)
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I got this NPE almost every time when running TestSplitLogManager locally. I am
not sure whether it is the root cause of test failing, but seems related.
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