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Viraj Jasani resolved HBASE-28076. ---------------------------------- Fix Version/s: 2.6.0 2.4.18 2.5.6 Hadoop Flags: Reviewed Resolution: Fixed > NPE on initialization error in RecoveredReplicationSourceShipper > ---------------------------------------------------------------- > > Key: HBASE-28076 > URL: https://issues.apache.org/jira/browse/HBASE-28076 > Project: HBase > Issue Type: Bug > Affects Versions: 2.6.0, 2.4.17, 2.5.5 > Reporter: Istvan Toth > Assignee: Istvan Toth > Priority: Minor > Fix For: 2.6.0, 2.4.18, 2.5.6 > > > When we run into problems starting RecoveredReplicationSourceShipper, we try > to stop the reader thread which we haven't initialized yet, resulting in an > NPE. > {noformat} > ERROR org.apache.hadoop.hbase.replication.regionserver.ReplicationSource: > Unexpected exception in redacted currentPath=hdfs://redacted > java.lang.NullPointerException > at > org.apache.hadoop.hbase.replication.regionserver.RecoveredReplicationSourceShipper.terminate(RecoveredReplicationSourceShipper.java:100) > at > org.apache.hadoop.hbase.replication.regionserver.RecoveredReplicationSourceShipper.getRecoveredQueueStartPos(RecoveredReplicationSourceShipper.java:87) > at > org.apache.hadoop.hbase.replication.regionserver.RecoveredReplicationSourceShipper.getStartPosition(RecoveredReplicationSourceShipper.java:62) > at > org.apache.hadoop.hbase.replication.regionserver.ReplicationSource.lambda$tryStartNewShipper$3(ReplicationSource.java:349) > at > java.util.concurrent.ConcurrentHashMap.compute(ConcurrentHashMap.java:1853) > at > org.apache.hadoop.hbase.replication.regionserver.ReplicationSource.tryStartNewShipper(ReplicationSource.java:341) > at > org.apache.hadoop.hbase.replication.regionserver.ReplicationSource.initialize(ReplicationSource.java:601) > at java.lang.Thread.run(Thread.java:750) > {noformat} > A simple null check should fix this. -- This message was sent by Atlassian Jira (v8.20.10#820010)