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https://issues.apache.org/jira/browse/HDFS-1059?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Allen Wittenauer resolved HDFS-1059.
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Resolution: Cannot Reproduce
> completeFile loops forever if the block's only replica has become corrupt
> -------------------------------------------------------------------------
>
> Key: HDFS-1059
> URL: https://issues.apache.org/jira/browse/HDFS-1059
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Affects Versions: 0.21.0, 0.22.0
> Reporter: Todd Lipcon
>
> If a writer is appending to a block with replication factor 1, and that block
> has become corrupt, a reader will report the corruption to the NN. Then when
> the writer tries to complete the file, it will loop forever with an error
> like:
> [junit] 2010-03-21 17:40:08,093 INFO namenode.FSNamesystem
> (FSNamesystem.java:checkFileProgress(1613)) - BLOCK*
> NameSystem.checkFileProgress: block
> blk_-4256412191814117589_1001{blockUCState=COMMITTED, primaryNodeIndex=-1,
> replicas=[ReplicaUnderConstruction[127.0.0.1:56782|RBW]]} has not reached
> minimal replication 1
> [junit] 2010-03-21 17:40:08,495 INFO hdfs.DFSClient
> (DFSOutputStream.java:completeFile(1435)) - Could not complete file
> /TestReadWhileWriting/file1 retrying...
> Should add tests that cover the case of a writer appending to a block that is
> corrupt while a reader accesses it.
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