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Posted to dev@hbase.apache.org by "Jieshan Bean (JIRA)" <ji...@apache.org> on 2013/04/03 09:07:15 UTC

[jira] [Created] (HBASE-8253) A corrupted log blocked ReplicationSource

Jieshan Bean created HBASE-8253:
-----------------------------------

             Summary: A corrupted log blocked ReplicationSource
                 Key: HBASE-8253
                 URL: https://issues.apache.org/jira/browse/HBASE-8253
             Project: HBase
          Issue Type: Bug
          Components: Replication
    Affects Versions: 0.94.6
            Reporter: Jieshan Bean
            Assignee: Jieshan Bean


A writting log got corrupted when we forcely power down one node. Only partial of last WALEdit was written into that log. And that log was not the last one in replication queue. 
ReplicationSource was blocked under this scenario. A lot of logs like below were printed:
{noformat}
2013-03-30 06:53:48,628 WARN  [regionserver26003-EventThread.replicationSource,1] 1 Got:  org.apache.hadoop.hbase.replication.regionserver.ReplicationSource.run(ReplicationSource.java:334)
java.io.EOFException: hdfs://hacluster/hbase/.logs/master11,26003,1364530862620/master11%2C26003%2C1364530862620.1364553936510, entryStart=40434738, pos=40450048, end=40450048, edit=0
	at sun.reflect.GeneratedConstructorAccessor42.newInstance(Unknown Source)
	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)
	at java.lang.reflect.Constructor.newInstance(Constructor.java:513)
	at org.apache.hadoop.hbase.regionserver.wal.SequenceFileLogReader.addFileInfoToException(SequenceFileLogReader.java:295)
	at org.apache.hadoop.hbase.regionserver.wal.SequenceFileLogReader.next(SequenceFileLogReader.java:240)
	at org.apache.hadoop.hbase.replication.regionserver.ReplicationHLogReaderManager.readNextAndSetPosition(ReplicationHLogReaderManager.java:84)
	at org.apache.hadoop.hbase.replication.regionserver.ReplicationSource.readAllEntriesToReplicateOrNextFile(ReplicationSource.java:412)
	at org.apache.hadoop.hbase.replication.regionserver.ReplicationSource.run(ReplicationSource.java:330)
Caused by: java.io.EOFException
	at java.io.DataInputStream.readFully(DataInputStream.java:180)
	at org.apache.hadoop.io.DataOutputBuffer$Buffer.write(DataOutputBuffer.java:68)
	at org.apache.hadoop.io.DataOutputBuffer.write(DataOutputBuffer.java:106)
	at org.apache.hadoop.io.SequenceFile$Reader.next(SequenceFile.java:2282)
	at org.apache.hadoop.io.SequenceFile$Reader.next(SequenceFile.java:2181)
	at org.apache.hadoop.io.SequenceFile$Reader.next(SequenceFile.java:2227)
	at org.apache.hadoop.hbase.regionserver.wal.SequenceFileLogReader.next(SequenceFileLogReader.java:238)
	... 3 more
..........	
2013-03-30 06:54:38,899 WARN  [regionserver26003-EventThread.replicationSource,1] 1 Got:  org.apache.hadoop.hbase.replication.regionserver.ReplicationSource.run(ReplicationSource.java:334)
java.io.EOFException: hdfs://hacluster/hbase/.logs/master11,26003,1364530862620/master11%2C26003%2C1364530862620.1364553936510, entryStart=40434738, pos=40450048, end=40450048, edit=0
	at sun.reflect.GeneratedConstructorAccessor42.newInstance(Unknown Source)
	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)
	at java.lang.reflect.Constructor.newInstance(Constructor.java:513)
	at org.apache.hadoop.hbase.regionserver.wal.SequenceFileLogReader.addFileInfoToException(SequenceFileLogReader.java:295)
	at org.apache.hadoop.hbase.regionserver.wal.SequenceFileLogReader.next(SequenceFileLogReader.java:240)
	at org.apache.hadoop.hbase.replication.regionserver.ReplicationHLogReaderManager.readNextAndSetPosition(ReplicationHLogReaderManager.java:84)
	at org.apache.hadoop.hbase.replication.regionserver.ReplicationSource.readAllEntriesToReplicateOrNextFile(ReplicationSource.java:412)
	at org.apache.hadoop.hbase.replication.regionserver.ReplicationSource.run(ReplicationSource.java:330)
Caused by: java.io.EOFException
	at java.io.DataInputStream.readFully(DataInputStream.java:180)
	at org.apache.hadoop.io.DataOutputBuffer$Buffer.write(DataOutputBuffer.java:68)
	at org.apache.hadoop.io.DataOutputBuffer.write(DataOutputBuffer.java:106)
	at org.apache.hadoop.io.SequenceFile$Reader.next(SequenceFile.java:2282)
	at org.apache.hadoop.io.SequenceFile$Reader.next(SequenceFile.java:2181)
	at org.apache.hadoop.io.SequenceFile$Reader.next(SequenceFile.java:2227)
	at org.apache.hadoop.hbase.regionserver.wal.SequenceFileLogReader.next(SequenceFileLogReader.java:238)
	... 3 more
...........	
{noformat}

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