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https://issues.apache.org/jira/browse/EXEC-62?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15086164#comment-15086164
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Siegfried Goeschl commented on EXEC-62:
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The joy of milt-platform support - the problem under Ubuntu
* the process is indeed killed by the watchdog
* the StreamPumper is blocked reading from the child process streams and never
returns
* therefore the the worker threads are not terminated (since the are still in
InputStream.read())
* the Thread.join will never succeed
Some thoughts along the line
* Some other bug report indicates that the problem is caused by no process
output but adding an echo statement does not help either
* I tried interrupting the StreamPumper threads but this does not work (see
http://bugs.java.com/bugdatabase/view_bug.do?bug_id=4514257)
> PumpStreamHandler hangs if process is terminated by timeout and it has not
> generated stdout / stderr output
> -----------------------------------------------------------------------------------------------------------
>
> Key: EXEC-62
> URL: https://issues.apache.org/jira/browse/EXEC-62
> Project: Commons Exec
> Issue Type: Bug
> Affects Versions: 1.1
> Environment: Ubuntu 11.04,
> $ java -version
> java version "1.6.0_29"
> Java(TM) SE Runtime Environment (build 1.6.0_29-b11)
> Java HotSpot(TM) Server VM (build 20.4-b02, mixed mode)
> Reporter: Ignat Zapolsky
> Assignee: Siegfried Goeschl
> Attachments: sample.tar.gz
>
>
> Hi,
> I've found an issue with DefaultExecutor hanging while waiting for
> PumpStreamHandler to close all subprocess streams if child process was
> terminated by watchdog (e.g. on timeout).
> I've created a test case for the issue demonstrating working behaviour &
> issue.
> Test requires commons-io 1.4, Junit 4.x and commons-exec 1.1 to compile
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