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Alex Newman commented on HBASE-3345: ------------------------------------ agreed > Master crash with NPE during table disable > ------------------------------------------ > > Key: HBASE-3345 > URL: https://issues.apache.org/jira/browse/HBASE-3345 > Project: HBase > Issue Type: Bug > Components: master > Affects Versions: 0.90.0 > Reporter: Todd Lipcon > Priority: Blocker > > Running on a config that triggers lots of splits, I attempted to disable a > table while it was getting a lot of load and injected failures. Got the > following NPE in master, followed by an abort: > 2010-12-13 12:52:27,323 DEBUG > org.apache.hadoop.hbase.master.AssignmentManager: Starting unassignment of > region > usertable,user1182862181,1292273503885.d223f1dc4d9003508f2db7566518b05d. > (offlining) > 2010-12-13 12:52:27,323 FATAL org.apache.hadoop.hbase.master.HMaster: Remote > unexpected exception > java.lang.NullPointerException: Passed server is null > at > org.apache.hadoop.hbase.master.ServerManager.sendRegionClose(ServerManager.java:581) > at > org.apache.hadoop.hbase.master.AssignmentManager.unassign(AssignmentManager.java:1085) > at > org.apache.hadoop.hbase.master.AssignmentManager.unassign(AssignmentManager.java:1032) > at > org.apache.hadoop.hbase.master.handler.DisableTableHandler$BulkDisabler$1.run(DisableTableHandler.java:132) > at > java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886) > at > java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908) > at java.lang.Thread.run(Thread.java:619) -- This message is automatically generated by JIRA. For more information on JIRA, see: http://www.atlassian.com/software/jira