[ https://issues.apache.org/jira/browse/HBASE-18330?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16094068#comment-16094068 ]
Hudson commented on HBASE-18330: -------------------------------- SUCCESS: Integrated in Jenkins build HBase-1.1-JDK7 #1891 (See [https://builds.apache.org/job/HBase-1.1-JDK7/1891/]) HBASE-18330 NPE in ReplicationZKLockCleanerChore (apurtell: rev b03a5e743952495e97c1c180e272a08c4b2eb56f) * (edit) hbase-server/src/main/java/org/apache/hadoop/hbase/replication/master/ReplicationLogCleaner.java * (edit) hbase-client/src/main/java/org/apache/hadoop/hbase/replication/ReplicationPeersZKImpl.java * (edit) hbase-server/src/main/java/org/apache/hadoop/hbase/replication/regionserver/ReplicationSourceManager.java * (edit) hbase-server/src/main/java/org/apache/hadoop/hbase/master/cleaner/ReplicationZKLockCleanerChore.java > NPE in ReplicationZKLockCleanerChore > ------------------------------------ > > Key: HBASE-18330 > URL: https://issues.apache.org/jira/browse/HBASE-18330 > Project: HBase > Issue Type: Bug > Components: master, Replication > Affects Versions: 1.2.5 > Reporter: Minwoo Kang > Assignee: Andrew Purtell > Fix For: 2.0.0, 3.0.0, 1.4.0, 1.3.2, 1.5.0, 1.2.7, 1.1.12 > > Attachments: HBASE-18330-branch-1.patch, HBASE-18330-branch-2.patch, > HBASE-18330-master.patch > > > While I am watching HMaster log, I found NullPointerException Logs. > This occurs every minute. > -------- > 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 > -------- > Here is related code: > List<String> replicators = queues.getListOfReplicators(); > for (String replicator: replicators) { -- This message was sent by Atlassian JIRA (v6.4.14#64029)