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From "stack (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HBASE-8647) ChaosMonkey NPE
Date Wed, 29 May 2013 20:52:22 GMT
stack created HBASE-8647:
----------------------------

             Summary: ChaosMonkey NPE
                 Key: HBASE-8647
                 URL: https://issues.apache.org/jira/browse/HBASE-8647
             Project: HBase
          Issue Type: Bug
            Reporter: stack
            Assignee: stack


Running tests I see this from time to time:

{code}
 19 2013-05-29 13:42:37,868 INFO  [Thread-476] util.ChaosMonkey$RestartRandomRs(274): Performing
action: Restart random region server
 20 2013-05-29 13:42:37,869 WARN  [Thread-476] util.ChaosMonkey$PeriodicRandomActionPolicy(578):
Exception occured during performing action: java.lang.NullPointerException
 21 ,...at org.apache.hadoop.hbase.util.ChaosMonkey$Action.getCurrentServers(ChaosMonkey.java:160)
 22 ,...at org.apache.hadoop.hbase.util.ChaosMonkey$RestartRandomRs.perform(ChaosMonkey.java:275)
 23 ,...at org.apache.hadoop.hbase.util.ChaosMonkey$PeriodicRandomActionPolicy.runOneIteration(ChaosMonkey.java:576)
 24 ,...at org.apache.hadoop.hbase.util.ChaosMonkey$PeriodicPolicy.run(ChaosMonkey.java:488)
 25 ,...at org.apache.hadoop.hbase.util.ChaosMonkey$CompositeSequentialPolicy.run(ChaosMonkey.java:458)
 26 ,...at java.lang.Thread.run(Thread.java:680)
{code}

Our monkey has killed everything.

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