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From "Tsz Wo Nicholas Sze (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (HDFS-148) timeout when writing dfs file causes infinite loop when closing the file
Date Thu, 03 Apr 2014 02:34:19 GMT

     [ https://issues.apache.org/jira/browse/HDFS-148?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Tsz Wo Nicholas Sze resolved HDFS-148.
--------------------------------------

    Resolution: Not a Problem

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

> timeout when writing dfs file causes infinite loop when closing the file
> ------------------------------------------------------------------------
>
>                 Key: HDFS-148
>                 URL: https://issues.apache.org/jira/browse/HDFS-148
>             Project: Hadoop HDFS
>          Issue Type: Bug
>    Affects Versions: 0.20.2
>            Reporter: Nigel Daley
>            Assignee: Sameer Paranjpye
>            Priority: Critical
>
> If, when writing to a dfs file, I get a timeout exception:
> 06/11/29 11:16:05 WARN fs.DFSClient: Error while writing.
> java.net.SocketTimeoutException: timed out waiting for rpc response
>        at org.apache.hadoop.ipc.Client.call(Client.java:469)
>        at org.apache.hadoop.ipc.RPC$Invoker.invoke(RPC.java:164)
>        at org.apache.hadoop.dfs.$Proxy0.reportWrittenBlock(Unknown Source)
>        at org.apache.hadoop.dfs.DFSClient$DFSOutputStream.internalClose(DFSClient.java:1220)
>        at org.apache.hadoop.dfs.DFSClient$DFSOutputStream.endBlock(DFSClient.java:1175)
>        at org.apache.hadoop.dfs.DFSClient$DFSOutputStream.flush(DFSClient.java:1121)
>        at org.apache.hadoop.dfs.DFSClient$DFSOutputStream.write(DFSClient.java:1103)
>        at org.apache.hadoop.examples.NNBench2.createWrite(NNBench2.java:107)
>        at org.apache.hadoop.examples.NNBench2.main(NNBench2.java:247)
> then the close() operation on the file appears to go into an infinite loop of retrying:
> 06/11/29 13:11:19 INFO fs.DFSClient: Could not complete file, retrying...
> 06/11/29 13:11:20 INFO fs.DFSClient: Could not complete file, retrying...
> 06/11/29 13:11:21 INFO fs.DFSClient: Could not complete file, retrying...
> 06/11/29 13:11:23 INFO fs.DFSClient: Could not complete file, retrying...
> 06/11/29 13:11:24 INFO fs.DFSClient: Could not complete file, retrying...
> ...



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