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https://jira.codehaus.org/browse/SUREFIRE-897?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=305661#comment-305661
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Kristian Rosenvold edited comment on SUREFIRE-897 at 8/7/12 12:35 AM:
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Fixed in r1369951, thanks for the patch !
was (Author: krosenvold):
Ficed in r1369951, thanks for the patch !
> System.exit() in ForkedBooter might hang due to swing/windows bug
> -----------------------------------------------------------------
>
> Key: SUREFIRE-897
> URL: https://jira.codehaus.org/browse/SUREFIRE-897
> Project: Maven Surefire
> Issue Type: Bug
> Components: process forking
> Affects Versions: 2.12
> Environment: Windows, Java 6,7
> Reporter: Ralf Stuckert
> Assignee: Kristian Rosenvold
> Fix For: 2.12.2
>
> Attachments: ForkedBooter.patch
>
>
> Due to a bug in Swing on Windows (see
> http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=7071160) the forked
> process may not respond to System.exit() in class ForkedBooter after excuting
> swing tests on windows. This leads to a hanging build, and the only way to
> resolve it, is to kill the hanging process.
> After all, sending Runtime.halt() will always stop the process. But since
> this is not a clean shutdown (e.g. shutdown-hooks not running), this should
> not be the default behaviour.
> As a workaround, you could start a daemon thread as a watchdog before calling
> System.exit().
> The deamon sleeps for a certain time, let's say a minute. If it ever resumes
> from sleeping, it means that the JVM is still running, so the System.exit()
> was not completed in that time. Now it's time to call Runtime.halt() as a
> last exit.
> We used this strategy to overcome the Swing bug (see attached patch).
> I guess it would be nice, if the timeout would be configurable.
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