[HBASE-19094] NPE in RSGroupStartupWorker.waitForGroupTableOnline during master startup

• Type: Bug
• Status: Resolved
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: 1.4.0
• Fix Version/s: 1.4.0, 2.0.0-alpha-4, 2.0.0
• Hadoop Flags: Reviewed
• Assignee: Abhishek Singh Chouhan
• Reporter: Abhishek Singh Chouhan
• Created: 26/Oct/17 13:41
• Updated: 01/Aug/18 06:21
• Resolved: 27/Oct/17 12:32

Description

rsgroup.RSGroupInfoManagerImpl$RSGroupStartupWorker - Caught exception while verifying group region
java.lang.NullPointerException
        at org.apache.hadoop.hbase.client.ConnectionManager$HConnectionImplementation.getClient(ConnectionManager.java:1638)
        at org.apache.hadoop.hbase.client.ConnectionUtils$2.getClient(ConnectionUtils.java:167)
        at org.apache.hadoop.hbase.rsgroup.RSGroupInfoManagerImpl$RSGroupStartupWorker$1.visit(RSGroupInfoManagerImpl.java:646)
        at org.apache.hadoop.hbase.MetaTableAccessor.fullScan(MetaTableAccessor.java:638)
        at org.apache.hadoop.hbase.MetaTableAccessor.fullScan(MetaTableAccessor.java:159)
        at org.apache.hadoop.hbase.rsgroup.RSGroupInfoManagerImpl$RSGroupStartupWorker.waitForGroupTableOnline(RSGroupInfoManagerImpl.java:661)
        at org.apache.hadoop.hbase.rsgroup.RSGroupInfoManagerImpl$RSGroupStartupWorker.run(RSGroupInfoManagerImpl.java:582)