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From Patrick Schless <patrick.schl...@gmail.com>
Subject HBase replication - EOF while reading
Date Tue, 02 Jul 2013 22:09:41 GMT
I've just enabled replication (to 1 peer), and I'm seeing a bunch of
errors, along the lines of [1]. Replication does seem to work, though (data
is showing up in the standby cluster).

The file exists (I can see it in the HDFS web GUI), but it seems be empty.

Is this an error I need to worry about?

Thanks,
Patrick

[1] 2013-07-02 16:50:36,275 WARN
org.apache.hadoop.hbase.replication.regionserver.ReplicationSource: 1 Got
EOF while reading, looks like this file is broken? hdfs://
name-node.domain.com:8020/hbase/.logs/data-xbt.domain.com,60020,1372796067408/data-xbt.domain.com%2C60020%2C1372796067408.1372799669085
2013-07-02 16:50:36,275 DEBUG
org.apache.hadoop.hbase.replication.regionserver.ReplicationSource: Nothing
to replicate, sleeping 1000 times 10
2013-07-02 16:50:46,275 DEBUG
org.apache.hadoop.hbase.replication.regionserver.ReplicationSource: Opening
log for replication data-xbt.domain.com%2C60020%2C1372796067408.1372799669085
at 50573824
2013-07-02 16:50:46,325 WARN
org.apache.hadoop.hbase.replication.regionserver.ReplicationSource: 1 Got:
java.io.EOFException: hdfs://
name-node.domain.com:8020/hbase/.logs/data-xbt.domain.com,60020,1372796067408/data-xbt.domain.com%2C60020%2C1372796067408.1372799669085,
entryStart=52524475, pos=52524544, end=52524544, edit=11033
        at sun.reflect.GeneratedConstructorAccessor34.newInstance(Unknown
Source)
        at
sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
        at java.lang.reflect.Constructor.newInstance(Constructor.java:532)
        at
org.apache.hadoop.hbase.regionserver.wal.SequenceFileLogReader.addFileInfoToException(SequenceFileLogReader.java:252)
        at
org.apache.hadoop.hbase.regionserver.wal.SequenceFileLogReader.next(SequenceFileLogReader.java:208)
        at
org.apache.hadoop.hbase.replication.regionserver.ReplicationSource.readAllEntriesToReplicateOrNextFile(ReplicationSource.java:427)
        at
org.apache.hadoop.hbase.replication.regionserver.ReplicationSource.run(ReplicationSource.java:306)
Caused by: java.io.EOFException
        at java.io.DataInputStream.readFully(DataInputStream.java:197)
        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:2294)
        at
org.apache.hadoop.io.SequenceFile$Reader.next(SequenceFile.java:2193)
        at
org.apache.hadoop.io.SequenceFile$Reader.next(SequenceFile.java:2239)
        at
org.apache.hadoop.hbase.regionserver.wal.SequenceFileLogReader.next(SequenceFileLogReader.java:206)
        ... 2 more

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