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https://issues.apache.org/jira/browse/EXEC-62?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13503992#comment-13503992
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james wilson commented on EXEC-62:
----------------------------------
I am also encountering PumpStreamHandler hanging, though my external processes
have exited with a zero exit value. Then PumpStreamHandler locks upon join of
the outputThread in the stop() method:
{code:title=from stop method}
if (outputThread != null) {
try {
outputThread.join();
outputThread = null;
} catch (InterruptedException e) {
// ignore
}
}
{code}
As near as I can tell (from debug sessions), the outputThread is locked on read
from the inputStream that is the output of the Process. Though in my scenario I
have read all the expected output from the Process.
> 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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