[HBASE-8230] Possible NPE on regionserver abort if replication service has not been started

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 0.94.6
• Fix Version/s: 0.94.7, 0.95.1
• Component/s: regionserver, Replication
• Hadoop Flags: Reviewed
• Assignee: Jieshan Bean
• Reporter: Jieshan Bean
• Created: 30/Mar/13 08:18
• Updated: 27/Apr/13 15:55
• Resolved: 04/Apr/13 03:55

Description

RegionServer got Exception on calling setupWALAndReplication, so entered abort flow. Since replicationSink had not been inialized yet, we got below exception:

Exception in thread "regionserver26003" java.lang.NullPointerException
 at org.apache.hadoop.hbase.replication.regionserver.Replication.join(Replication.java:129)
 at org.apache.hadoop.hbase.replication.regionserver.Replication.stopReplicationService(Replication.java:120)
 at org.apache.hadoop.hbase.regionserver.HRegionServer.join(HRegionServer.java:1803)
 at org.apache.hadoop.hbase.regionserver.HRegionServer.run(HRegionServer.java:834)
 at java.lang.Thread.run(Thread.java:662)