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From "David B. Ritch" <david.ri...@gmail.com>
Subject Re: "Filesystem closed" errors
Date Wed, 26 Nov 2008 05:07:06 GMT
Do you have speculative execution enabled?  I've seen error messages
like this caused by speculative execution.

David

Bryan Duxbury wrote:
> I have an app that runs for a long time with no problems, but when I
> signal it to shut down, I get errors like this:
>
> java.io.IOException: Filesystem closed
>     at org.apache.hadoop.dfs.DFSClient.checkOpen(DFSClient.java:196)
>     at org.apache.hadoop.dfs.DFSClient.rename(DFSClient.java:502)
>     at
> org.apache.hadoop.dfs.DistributedFileSystem.rename(DistributedFileSystem.java:176)
>
>
> The problems occur when I am trying to close open HDFS files. Any
> ideas why I might be seeing this? I though it was because I was
> abruptly shutting down without giving the streams a chance to get
> closed, but after some refactoring, that's not the case.
>
> -Bryan
>


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