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From "Henri Biestro (JIRA)" <>
Subject [jira] Commented: (EXEC-33) PumpStreamHandler hangs if is redirect to process input stream
Date Mon, 28 Sep 2009 09:16:16 GMT


Henri Biestro commented on EXEC-33:

Btw, the same pb occured on Mac OSX with unit tests hanging, even with the fix.

Committed a modification:
On a Mac, the unit tests never finish. Culprit is InputStreamPumper which sets its stop member
in the run method; however, run might really be executed after the stopProcessing method is
called if the process thread completes before the InputStreamPumper starts. 


> PumpStreamHandler hangs if is redirect to process input stream
> ------------------------------------------------------------------------
>                 Key: EXEC-33
>                 URL:
>             Project: Commons Exec
>          Issue Type: Bug
>    Affects Versions: 1.0
>         Environment: Windows Vista
>            Reporter: Marco Ferrante
>            Assignee: Siegfried Goeschl
>            Priority: Minor
>             Fix For: 1.0.1
>         Attachments: EXEC33.patch, PumpStreamHandler.patch
> When process input is redirected using a PumpStreamHandler, e.g.
>       PumpStreamHandler streamHanlder = new PumpStreamHandler(out, err,; 
>       exec.setStreamHandler(streamHanlder);
>       MockExecuteResultHandler handler = new MockExecuteResultHandler();
>       exec.execute(cl, handler);
> the process hangs and never exit.

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