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Hudson commented on HDFS-668:
-----------------------------
Integrated in Hdfs-Patch-h2.grid.sp2.yahoo.net #47 (See [http://hudson.zones.apache.org/hudson/job/Hdfs-Patch-h2.grid.sp2.yahoo.net/47/])
> TestFileAppend3#TC7 sometimes hangs
> -----------------------------------
>
> Key: HDFS-668
> URL: https://issues.apache.org/jira/browse/HDFS-668
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Affects Versions: 0.21.0
> Reporter: Hairong Kuang
> Assignee: Hairong Kuang
> Fix For: 0.21.0
>
> Attachments: hdfs-668.patch, loop.patch, loop1.patch
>
>
> TestFileAppend3 hangs because it fails on close the file. The following is the snippet
of logs that shows the cause of the problem:
> [junit] 2009-10-01 07:00:00,719 WARN hdfs.DFSClient (DFSClient.java:setupPipelineForAppendOrRecovery(3004))
- Error Recovery for block blk_-4098350497078465335_1007 in pipeline 127.0.0.1:58375, 127.0.0.1:36982:
bad datanode 127.0.0.1:36982
> [junit] 2009-10-01 07:00:00,721 INFO datanode.DataNode (DataXceiver.java:opWriteBlock(224))
- Receiving block blk_-4098350497078465335_1007 src: /127.0.0.1:40252 dest: /127.0.0.1:58375
> [junit] 2009-10-01 07:00:00,721 INFO datanode.DataNode (FSDataset.java:recoverClose(1248))
- Recover failed close blk_-4098350497078465335_1007
> [junit] 2009-10-01 07:00:00,723 INFO datanode.DataNode (DataXceiver.java:opWriteBlock(369))
- Received block blk_-4098350497078465335_1008 src: /127.0.0.1:40252 dest: /127.0.0.1:58375
of size 65536
> [junit] 2009-10-01 07:00:00,724 INFO hdfs.StateChange (BlockManager.java:addStoredBlock(1006))
- BLOCK* NameSystem.addStoredBlock: addStoredBlock request received for blk_-4098350497078465335_1008
on 127.0.0.1:58375 size 65536 But it does not belong to any file.
> [junit] 2009-10-01 07:00:00,724 INFO namenode.FSNamesystem (FSNamesystem.java:updatePipeline(3946))
- updatePipeline(block=blk_-4098350497078465335_1007, newGenerationStamp=1008, newLength=65536,
newNodes=[127.0.0.1:58375], clientName=DFSClient_995688145)
>
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