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From "Suresh Srinivas (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-4067) TestUnderReplicatedBlocks may fail due to ReplicaAlreadyExistsException
Date Thu, 25 Oct 2012 18:29:12 GMT

    [ https://issues.apache.org/jira/browse/HDFS-4067?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13484353#comment-13484353
] 

Suresh Srinivas commented on HDFS-4067:
---------------------------------------

+1 for the patch.
                
> TestUnderReplicatedBlocks may fail due to ReplicaAlreadyExistsException
> -----------------------------------------------------------------------
>
>                 Key: HDFS-4067
>                 URL: https://issues.apache.org/jira/browse/HDFS-4067
>             Project: Hadoop HDFS
>          Issue Type: Bug
>    Affects Versions: 2.0.0-alpha
>            Reporter: Eli Collins
>            Assignee: Jing Zhao
>              Labels: test-fail
>         Attachments: HDFS-4067.trunk.001.patch
>
>
> After adding the timeout to TestUnderReplicatedBlocks in HDFS-4061 we can see the root
cause of the failure is ReplicaAlreadyExistsException:
> {noformat}
> org.apache.hadoop.hdfs.server.datanode.ReplicaAlreadyExistsException: Block BP-1541130889-172.29.121.238-1350435573411:blk_-3437032108997618258_1002
already exists in state FINALIZED and thus cannot be created.
> 	at org.apache.hadoop.hdfs.server.datanode.fsdataset.impl.FsDatasetImpl.createTemporary(FsDatasetImpl.java:799)
> 	at org.apache.hadoop.hdfs.server.datanode.fsdataset.impl.FsDatasetImpl.createTemporary(FsDatasetImpl.java:90)
> 	at org.apache.hadoop.hdfs.server.datanode.BlockReceiver.<init>(BlockReceiver.java:155)
> 	at org.apache.hadoop.hdfs.server.datanode.DataXceiver.writeBlock(DataXceiver.java:393)
> 	at org.apache.hadoop.hdfs.protocol.datatransfer.Receiver.opWriteBlock(Receiver.java:98)
> 	at org.apache.hadoop.hdfs.protocol.datatransfer.Receiver.processOp(Receiver.java:66)
> 	at org.apache.hadoop.hdfs.server.datanode.DataXceiver.run(DataXceiver.java:219)
> {noformat}

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