I am using 1.2.5 (revision=d7b05f79dee10e0ada614765bb354b93d615a157) Yes, I see NPE repeatedly. This occurs every minute.
Should I fix it? Best regards, Minwoo Kang ________________________________________ 보낸 사람: Kang Minwoo <minwoo.k...@outlook.com> 보낸 날짜: 2017년 7월 6일 목요일 오전 9:29:35 받는 사람: user@hbase.apache.org 제목: NPE in ReplicationZKLockCleanerChore Hello, HBase Users. While I am watching HMaster log, I found NullPointerException Logs. -------- 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 -------- I wonder what side effects this error gives HBase. Best regards, Minwoo Kang