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From "Dima Spivak (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (HBASE-16343) Failed to read block error when enable replication
Date Wed, 03 Aug 2016 04:03:20 GMT

     [ https://issues.apache.org/jira/browse/HBASE-16343?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Dima Spivak resolved HBASE-16343.
---------------------------------
    Resolution: Invalid

Hi yang! Please send an email to user@hbase.apache.org; you're much more likely to get help
there as the issue tracker is only designed for bugs in HBase. 

> Failed to read block error when enable replication
> --------------------------------------------------
>
>                 Key: HBASE-16343
>                 URL: https://issues.apache.org/jira/browse/HBASE-16343
>             Project: HBase
>          Issue Type: Bug
>          Components: Replication
>    Affects Versions: 0.94.20
>            Reporter: yang ming
>
> When enabled replication,we found a large number of error logs.Is the cluster configuration
incorrect?
> 2016-08-03 10:46:21,721 DEBUG org.apache.hadoop.hbase.replication.regionserver.ReplicationSource:
Opening log for replication dn7%2C60020%2C1470136216957.1470192327030 at 16999670
> 2016-08-03 10:46:21,723 WARN org.apache.hadoop.hdfs.DFSClient: BlockReaderLocal requested
with incorrect offset:  Offset 0 and length 17073479 don't match block blk_4137524355009640437_53760530
( blockLen 16999670 )
> 2016-08-03 10:46:21,723 WARN org.apache.hadoop.hdfs.DFSClient: BlockReaderLocal: Removing
blk_4137524355009640437_53760530 from cache because local file /sdd/hdfs/dfs/data/blocksBeingWritten/blk_4137524355009640437
could not be opened.
> 2016-08-03 10:46:21,724 INFO org.apache.hadoop.hdfs.DFSClient: Failed to read block blk_4137524355009640437_53760530
on local machinejava.io.IOException:  Offset 0 and length 17073479 don't match block blk_4137524355009640437_53760530
( blockLen 16999670 )
>         at org.apache.hadoop.hdfs.BlockReaderLocal.<init>(BlockReaderLocal.java:287)
>         at org.apache.hadoop.hdfs.BlockReaderLocal.newBlockReader(BlockReaderLocal.java:171)
>         at org.apache.hadoop.hdfs.DFSClient.getLocalBlockReader(DFSClient.java:358)
>         at org.apache.hadoop.hdfs.DFSClient.access$800(DFSClient.java:74)
>         at org.apache.hadoop.hdfs.DFSClient$DFSInputStream.blockSeekTo(DFSClient.java:2073)
>         at org.apache.hadoop.hdfs.DFSClient$DFSInputStream.read(DFSClient.java:2224)
>         at java.io.DataInputStream.read(DataInputStream.java:149)
>         at java.io.DataInputStream.readFully(DataInputStream.java:195)
>         at java.io.DataInputStream.readFully(DataInputStream.java:169)
>         at org.apache.hadoop.io.SequenceFile$Reader.init(SequenceFile.java:1508)
>         at org.apache.hadoop.io.SequenceFile$Reader.<init>(SequenceFile.java:1486)
>         at org.apache.hadoop.io.SequenceFile$Reader.<init>(SequenceFile.java:1475)
>         at org.apache.hadoop.io.SequenceFile$Reader.<init>(SequenceFile.java:1470)
>         at org.apache.hadoop.hbase.regionserver.wal.SequenceFileLogReader$WALReader.<init>(SequenceFileLogReader.java:55)
>         at org.apache.hadoop.hbase.regionserver.wal.SequenceFileLogReader.init(SequenceFileLogReader.java:178)
>         at org.apache.hadoop.hbase.regionserver.wal.HLog.getReader(HLog.java:734)
>         at org.apache.hadoop.hbase.replication.regionserver.ReplicationHLogReaderManager.openReader(ReplicationHLogReaderManager.java:69)
>         at org.apache.hadoop.hbase.replication.regionserver.ReplicationSource.openReader(ReplicationSource.java:574)
>         at org.apache.hadoop.hbase.replication.regionserver.ReplicationSource.run(ReplicationSource.java:364)
> 2016-08-03 10:46:21,724 INFO org.apache.hadoop.hdfs.DFSClient: Try reading via the datanode
on /192.168.7.139:50010



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