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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-9373) [replication] data loss because replication doesn't expect partial reads
Date Sat, 31 Aug 2013 01:01:36 GMT

    [ https://issues.apache.org/jira/browse/HBASE-9373?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13755315#comment-13755315
] 

Hudson commented on HBASE-9373:
-------------------------------

SUCCESS: Integrated in HBase-TRUNK-on-Hadoop-2.0.0 #705 (See [https://builds.apache.org/job/HBase-TRUNK-on-Hadoop-2.0.0/705/])
HBASE-9373 [replication] data loss because replication doesn't expect partial reads (jdcryans:
rev 1519037)
* /hbase/trunk/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/wal/ProtobufLogReader.java

                
> [replication] data loss because replication doesn't expect partial reads
> ------------------------------------------------------------------------
>
>                 Key: HBASE-9373
>                 URL: https://issues.apache.org/jira/browse/HBASE-9373
>             Project: HBase
>          Issue Type: Improvement
>    Affects Versions: 0.95.2
>            Reporter: Jean-Daniel Cryans
>            Assignee: Jean-Daniel Cryans
>            Priority: Blocker
>             Fix For: 0.98.0, 0.96.0
>
>         Attachments: 9373.txt, 9373-v2.txt, 9373-v3.txt, 9373-v4.patch
>
>
> When I see this in the logs it often means we got a partial read and then we have the
wrong offset when reading the rest of the file
> {noformat}
> 2013-08-28 23:16:07,182 ERROR [ReplicationExecutor-0.replicationSource,1-jdec2hbase0403-5,60020,1377730319617]
org.apache.hadoop.hbase.regionserver.wal.ProtobufLogReader: Invalid PB while reading WAL,
probably an unexpected EOF, ignoring
> com.google.protobuf.InvalidProtocolBufferException: Protocol message tag had invalid
wire type.
>         at com.google.protobuf.InvalidProtocolBufferException.invalidWireType(InvalidProtocolBufferException.java:99)
>         at com.google.protobuf.UnknownFieldSet$Builder.mergeFieldFrom(UnknownFieldSet.java:498)
>         at com.google.protobuf.GeneratedMessage.parseUnknownField(GeneratedMessage.java:193)
>         at org.apache.hadoop.hbase.protobuf.generated.WALProtos$WALKey.<init>(WALProtos.java:686)
>         at org.apache.hadoop.hbase.protobuf.generated.WALProtos$WALKey.<init>(WALProtos.java:644)
>         at org.apache.hadoop.hbase.protobuf.generated.WALProtos$WALKey$1.parsePartialFrom(WALProtos.java:771)
>         at org.apache.hadoop.hbase.protobuf.generated.WALProtos$WALKey$1.parsePartialFrom(WALProtos.java:766)
>         at org.apache.hadoop.hbase.protobuf.generated.WALProtos$WALKey$Builder.mergeFrom(WALProtos.java:1444)
>         at org.apache.hadoop.hbase.protobuf.generated.WALProtos$WALKey$Builder.mergeFrom(WALProtos.java:1218)
>         at com.google.protobuf.AbstractMessageLite$Builder.mergeFrom(AbstractMessageLite.java:220)
>         at com.google.protobuf.AbstractMessage$Builder.mergeFrom(AbstractMessage.java:912)
>         at com.google.protobuf.AbstractMessage$Builder.mergeFrom(AbstractMessage.java:267)
>         at com.google.protobuf.AbstractMessageLite$Builder.mergeDelimitedFrom(AbstractMessageLite.java:290)
>         at com.google.protobuf.AbstractMessage$Builder.mergeDelimitedFrom(AbstractMessage.java:926)
>         at com.google.protobuf.AbstractMessageLite$Builder.mergeDelimitedFrom(AbstractMessageLite.java:296)
>         at com.google.protobuf.AbstractMessage$Builder.mergeDelimitedFrom(AbstractMessage.java:918)
>         at org.apache.hadoop.hbase.regionserver.wal.ProtobufLogReader.readNext(ProtobufLogReader.java:197)
>         at org.apache.hadoop.hbase.regionserver.wal.ReaderBase.next(ReaderBase.java:98)
>         at org.apache.hadoop.hbase.replication.regionserver.ReplicationHLogReaderManager.readNextAndSetPosition(ReplicationHLogReaderManager.java:89)
>         at org.apache.hadoop.hbase.replication.regionserver.ReplicationSource.readAllEntriesToReplicateOrNextFile(ReplicationSource.java:390)
>         at org.apache.hadoop.hbase.replication.regionserver.ReplicationSource.run(ReplicationSource.java:298)
> {noformat}

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