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Posted to dev@hbase.apache.org by "Minwoo Kang (JIRA)" <ji...@apache.org> on 2017/07/07 03:57:00 UTC
[jira] [Created] (HBASE-18330) NPE in ReplicationZKLockCleanerChore
Minwoo Kang created HBASE-18330:
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Summary: NPE in ReplicationZKLockCleanerChore
Key: HBASE-18330
URL: https://issues.apache.org/jira/browse/HBASE-18330
Project: HBase
Issue Type: Bug
Affects Versions: 1.2.5
Reporter: Minwoo Kang
Priority: Minor
While I am watching HMaster log, I found NullPointerException Logs.
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2017-07-06 09:05:02,579 DEBUG [,1498445640728_ChoreService_1] cleaner.CleanerChore: Removing: hdfs://*** from archive
2017-07-06 09:05:02,585 ERROR [,1498445640728_ChoreService_2] hbase.ScheduledChore: Caught error
java.lang.NullPointerException
at org.apache.hadoop.hbase.master.cleaner.ReplicationZKLockCleanerChore.chore(ReplicationZKLockCleanerChore.java:80)
at org.apache.hadoop.hbase.ScheduledChore.run(ScheduledChore.java:185)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:304)
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:178)
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
at org.apache.hadoop.hbase.JitterScheduledThreadPoolExecutorImpl$JitteredRunnableScheduledFuture.run(JitterScheduledThreadPoolExecutorImpl.java:110)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
at java.lang.Thread.run(Thread.java:745)
2017-07-06 09:05:02,585 DEBUG [,1498445640728_ChoreService_1] cleaner.CleanerChore: Removing: hdfs://*** from archive
2017-07-06 09:05:02,586 DEBUG [,1498445640728_ChoreService_1] cleaner.CleanerChore: Removing: hdfs://*** from archive
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Here is related code:
List<String> replicators = queues.getListOfReplicators();
for (String replicator: replicators) {
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