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From "Tsz Wo Nicholas Sze (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (HDFS-951) DFSClient should handle all nodes in a pipeline failed.
Date Thu, 03 Apr 2014 02:42:18 GMT

     [ https://issues.apache.org/jira/browse/HDFS-951?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Tsz Wo Nicholas Sze resolved HDFS-951.
--------------------------------------

    Resolution: Not a Problem

I guess that this is not a problem anymore. Please feel free to reopen this if I am wrong.
Resolving ...

> DFSClient should handle all nodes in a pipeline failed.
> -------------------------------------------------------
>
>                 Key: HDFS-951
>                 URL: https://issues.apache.org/jira/browse/HDFS-951
>             Project: Hadoop HDFS
>          Issue Type: Bug
>            Reporter: He Yongqiang
>
> processDatanodeError-> setupPipelineForAppendOrRecovery  will set streamerClosed to
be true if all nodes in the pipeline failed in the past, and just return.
> Back to run() in data streammer,  the logic 
>  if (streamerClosed || hasError || dataQueue.size() == 0 || !clientRunning) {
>                 continue;
>   }
> will just let set closed=true in closeInternal().
> And DataOutputStream will not get a chance to clean up. The DataOutputStream will throw
exception or return null for following write/close.
> It will leave the file in writing in incomplete state.



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