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From "Jean-Daniel Cryans (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HBASE-7531) [replication] NPE in SequenceFileLogReader because ReplicationSource doesn't nullify the reader
Date Thu, 10 Jan 2013 18:56:13 GMT
Jean-Daniel Cryans created HBASE-7531:

             Summary: [replication] NPE in SequenceFileLogReader because ReplicationSource
doesn't nullify the reader
                 Key: HBASE-7531
                 URL: https://issues.apache.org/jira/browse/HBASE-7531
             Project: HBase
          Issue Type: Bug
            Reporter: Jean-Daniel Cryans
         Attachments: HBASE-7531.patch

Here's a NPE I get half the time I run TestReplication:

2012-12-20 08:59:17,259 ERROR [RegionServer:1;,49168,1356011734418-EventThread.replicationSource,2]
regionserver.ReplicationSource$1(727): Unexpected exception in ReplicationSource, currentPath=hdfs://localhost:65533/user/jdcryans/hbase/.logs/,49168,1356011734418/
        at org.apache.hadoop.hbase.regionserver.wal.SequenceFileLogReader.seek(SequenceFileLogReader.java:261)
        at org.apache.hadoop.hbase.replication.regionserver.ReplicationHLogReaderManager.seek(ReplicationHLogReaderManager.java:103)
        at org.apache.hadoop.hbase.replication.regionserver.ReplicationSource.readAllEntriesToReplicateOrNextFile(ReplicationSource.java:414)
        at org.apache.hadoop.hbase.replication.regionserver.ReplicationSource.run(ReplicationSource.java:332)

The issue happens after an IOE was caught while opening the reader, the issue is that it isn't
set to null after that then the rest of the code assumes the reader is usable.

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