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From "stack (JIRA)" <j...@apache.org>
Subject [jira] Created: (HBASE-1534) Got ZooKeeper event, state: Disconnected on HRS and then NPE on reinit
Date Wed, 17 Jun 2009 16:46:07 GMT
Got ZooKeeper event, state: Disconnected on HRS and then NPE on reinit
----------------------------------------------------------------------

                 Key: HBASE-1534
                 URL: https://issues.apache.org/jira/browse/HBASE-1534
             Project: Hadoop HBase
          Issue Type: Bug
            Reporter: stack
             Fix For: 0.20.0


We got disconnect from zk but then when we tried to reinitialize ourselves, got a NPE.  See
below.

{code}
2009-06-17 11:58:55,102 [Thread-16] INFO org.apache.hadoop.hbase.regionserver.HRegionServer:
Starting shutdown thread. 
2009-06-17 11:58:55,102 [Thread-16] INFO org.apache.hadoop.hbase.regionserver.HRegionServer:
Shutdown thread complete
2009-06-17 11:58:55,102 [main-EventThread] INFO org.apache.hadoop.hbase.ipc.HBaseRpcMetrics:
Initializing RPC Metrics with hostName=HRegionServer, port=60021
2009-06-17 11:58:55,103 [main-EventThread] INFO org.apache.hadoop.hbase.regionserver.MemcacheFlusher:
globalMemcacheLimit=556.7m, globalMemcacheLimitLowMark=347.9m, maxHeap=1.4g
2009-06-17 11:58:55,103 [main-EventThread] INFO org.apache.hadoop.hbase.regionserver.HRegionServer:
Runs every 10000000ms
2009-06-17 11:58:55,148 [regionserver/0:0:0:0:0:0:0:0:60021] ERROR org.apache.hadoop.hbase.regionserver.HRegionServer:
Failed init
java.lang.NullPointerException
    at org.apache.hadoop.hbase.regionserver.HRegionServer.init(HRegionServer.java:713)
    at org.apache.hadoop.hbase.regionserver.HRegionServer.run(HRegionServer.java:431)
    at java.lang.Thread.run(Thread.java:619)
2009-06-17 11:58:55,153 [regionserver/0:0:0:0:0:0:0:0:60021] FATAL org.apache.hadoop.hbase.regionserver.HRegionServer:
Unhandled exception. Aborting...
java.io.IOException: Region server startup failed
    at org.apache.hadoop.hbase.regionserver.HRegionServer.convertThrowableToIOE(HRegionServer.java:832)
    at org.apache.hadoop.hbase.regionserver.HRegionServer.init(HRegionServer.java:751)
    at org.apache.hadoop.hbase.regionserver.HRegionServer.run(HRegionServer.java:431)
    at java.lang.Thread.run(Thread.java:619)
Caused by: java.lang.NullPointerException
    at org.apache.hadoop.hbase.regionserver.HRegionServer.init(HRegionServer.java:713)
    ... 2 more   
{code}

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