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From "stack (JIRA)" <j...@apache.org>
Subject [jira] Created: (HBASE-3023) NPE processing server crash in MetaReader. getServerUserRegions
Date Tue, 21 Sep 2010 22:01:39 GMT
NPE processing server crash in MetaReader. getServerUserRegions
---------------------------------------------------------------

                 Key: HBASE-3023
                 URL: https://issues.apache.org/jira/browse/HBASE-3023
             Project: HBase
          Issue Type: Bug
            Reporter: stack
             Fix For: 0.90.0
         Attachments: 3023.txt

{code}
2010-09-21 18:28:30,856 ERROR
org.apache.hadoop.hbase.executor.EventHandler: Caught throwable while
processing event M_SERVER_SHUTDOWN
java.lang.NullPointerException
       at org.apache.hadoop.hbase.catalog.MetaReader.getServerUserRegions(MetaReader.java:413)
       at org.apache.hadoop.hbase.master.handler.ServerShutdownHandler.process(ServerShutdownHandler.java:106)
       at org.apache.hadoop.hbase.executor.EventHandler.run(EventHandler.java:150)
       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)
{code}

Problem is that there was no server set in .META. yet for a particular row but we went ahead
tried to use the server as though it non-null.

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