| Help running STEM Headless [message #660321] |
Thu, 17 March 2011 17:11  |
Eclipse User |
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Hi, I have a few questions about STEM. I want to run STEM headless (aka without any UI). I want to pass in the path to a scenario, STEM will do its work on the scenario, and eventually output the .csv files.
I have read through many posts on this forum, and the following helped the most: http://www.eclipse.org/forums/index.php?t=msg&th=164822& amp;start=0& .
I could not get either of the suggestions in that post working. If I tried to run a scenario through a main an error popped up about workspace, the URI complained about "platform: ". The second approach for IApplication did not work either, even though I changed the plugin.xml file as specified in the post.
This is the IApplication error:
"An internal error occurred during: "Launching org.eclipse.stem.ui.headless.MyApplicationLoader".
Invalid registry object"
Is there an easy way to run STEM headlessly, possibly without the UI of eclipse?
Eventually I want to run stem programmatically, my own main tells STEM what to do.
Thanks to anyone for help.
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| Re: Help running STEM Headless [message #660513 is a reply to message #660321] |
Fri, 18 March 2011 14:54  |
| Eclipse User |
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Hi,
We're currently developing a simple headless feature that'll run scenarios without the STEM UI. Right now, it's not "true" headless - it requires some type of X subsystem, even though no UI shells are created. We haven't included it in any binary builds yet, but it is checked in - see the org.eclipse.stem.ui.headless plug-in in SVN.
Early documentation available here:
http://wiki.eclipse.org/STEM_Headless
This also builds upon a new feature that will allow you to provide your own STEM "launcher", which will help with your attempts to call STEM programatically.
This feature isn't well-documented yet, but it uses a new extension point called org.eclipse.stem.ui.launchers. See the example in the org.eclipse.stem.ui.headless/plugin.xml file:
<extension
point="org.eclipse.stem.ui.launchers">
<launcher
class="org.eclipse.stem.ui.headless.HeadlessLauncher"
name="headless">
</launcher>
</extension>
In your own plugin, you can create your own launcher class (extends org.eclipse.stem.ui.launcher.Launcher) and register the extension in plugin.xml. You can then use a command-line switch that matches the name of your launcher to invoke it. The above example is named "headless" and looks for the "-headless" switch. If the name was "myheadless", it would look for "-myheadless" when invoking STEM either through the binary or directly through Java.
Will have documentation for launchers available shortly.
Hope this helps!
-Matt
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