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[m2e-users] Maven process does not exit gracefully when terminated by Eclipse

Hi,

I use m2e 1.2.0. with Eclipse 4.2.1 on a Windows 8 x64 machine to package applications for Google AppEngine and deploy them on the local development server using the appengine-maven-plugin.

Whenever I click on the red terminate button in the Eclipse console view, the Maven process launched by m2e does not seem to terminate correctly. As opposed to launching Maven from the command prompt, it neither displays the "BUILD SUCCESS" message, nor does it terminate any child processes such as the Jetty server launched by appengine-maven-plugin. I need to terminate these left-over processes manually every time I stop a Maven application from within Eclipse.

Is there another way to terminate Maven applications using m2e?

The issue seems to be related to the behavior of the terminate button in Eclipse. Apparently, this button calls java.lang.Process.destroy(), which, on Windows, is implemented as a simple kill and does not allow applications to exit gracefully.

See:
- https://bugs.eclipse.org/bugs/show_bug.cgi?id=38016
- http://jira.codehaus.org/browse/JETTY-208?focusedCommentId=115134&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-115134

If this is a general Eclipse issue, there might be a couple of workarounds:
- There appears to be an interface ITerminate that could be implemented (see first link, comment 31).
- Maybe the actual Maven process could be launched by another process that is regularly checked for termination.
- An additional Eclipse button could be implemented, which correctly terminates the Maven process.

David

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