Master crash with NPE during table disable
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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)
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