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From "Jeffrey Zhong (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HBASE-9709) LogReplay throws NPE when no KVs to be replayed in a WALEdit
Date Thu, 03 Oct 2013 23:57:41 GMT
Jeffrey Zhong created HBASE-9709:
------------------------------------

             Summary: LogReplay throws NPE when no KVs to be replayed in a WALEdit
                 Key: HBASE-9709
                 URL: https://issues.apache.org/jira/browse/HBASE-9709
             Project: HBase
          Issue Type: Bug
            Reporter: Jeffrey Zhong
            Priority: Minor


This is regression from my recent checkin from hbase-9390 below is the exception stack:

{code}
2013-10-03 09:34:32,735 ERROR [WriterThread-1] wal.HLogSplitter: Exiting thread
java.lang.NullPointerException
        at org.apache.hadoop.hbase.regionserver.wal.HLogSplitter$LogReplayOutputSink.groupEditsByServer(HLogSplitter.java:1489)
        at org.apache.hadoop.hbase.regionserver.wal.HLogSplitter$LogReplayOutputSink.append(HLogSplitter.java:1368)
        at org.apache.hadoop.hbase.regionserver.wal.HLogSplitter$WriterThread.writeBuffer(HLogSplitter.java:847)
        at org.apache.hadoop.hbase.regionserver.wal.HLogSplitter$WriterThread.doRun(HLogSplitter.java:839)
        at org.apache.hadoop.hbase.regionserver.wal.HLogSplitter$WriterThread.run(HLogSplitter.java:809)
{code}



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