[ http://issues.apache.org/jira/browse/DIRMINA-129?page=all ]
Trustin Lee resolved DIRMINA-129:
---------------------------------
Resolution: Fixed
I removed the use of PipedInput(Output)Stream in StreamIoHandler. Now, a
brand-new and high-performing implementation replaces it. I tested a little
bit with HTTP server example, and it seems to work great. Please confirm my
fix and close this issue.
Thanks,
Trustin
> "Pipe broken" IOExceptions countered on non-active stream connections
> ---------------------------------------------------------------------
>
> Key: DIRMINA-129
> URL: http://issues.apache.org/jira/browse/DIRMINA-129
> Project: Directory MINA
> Type: Bug
> Versions: 0.8.1
> Environment: All
> Reporter: dave irving
> Assignee: Trustin Lee
> Priority: Minor
> Fix For: 0.8.2
>
> The StreamIOHandler implementation uses PipedInput/Output streams for
> providing read data.
> PipedInputStream is quite strict about the relationship between the producer
> and consumer thread.
> When blocking on a read, PipedInputStream checks every second to see if the
> last producer thread to write to it is still alive. If it detects that the
> producer thread is no longer alive, an IO Exception is thrown indicating
> "Pipe Broken".
> This causes a problem in Mina becuase worker threads in the ThreadPoolFilter
> have a "keep alive time" (default is one second). So, if a user is blocked on
> a stream IO read (really a PipedInputStream), and the last ThreadPoolFilter
> thread which produced data for the stream idles out, the user encounters a
> "Pipe Broken" IOException (not related to session idle).
> Users can currently work around the problem by increasing the keep-alive time
> on the ThreadPoolFilter.
> My gut feeling is that ditching PipedInputStream / PipedOutputStream in
> favour of something more suited to Minas needs would be a good solution to
> the problem.
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