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| Re: Strange Xtext error [message #1007317 is a reply to message #1007296] |
Tue, 05 February 2013 13:53  |
 Jan Koehnlein
Messages: 760
Registered: July 2009
Location: Hamburg |
Senior Member |
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The problem is that the Ecore editor uses relative URIs to refer to
EModelElements in other ecore files. This doesn't work with Xtext once
they are installed. As a workaround, open your Ecore files with a text
editor and replace all relative URIs with platform resource URIs, e.g.
by replacing all occurrences of "../../" with "platform:/resource/"
before exporting and installing the plug-ins. The bad thing is, you have
to fix all these URIs ever time you have saved an Ecore editor with the
resource loaded.
Am 05.02.13 13:23, schrieb Nicolas:
>
> I have two plugins A and B :
> - A contains an ecore model mmA.ecore that defines a single EClass named
> classA
> - B depends on plugin A and contains an ecore model mmB.ecore that defines
> an EClass named classB with classA as its superclass.
>
> I build these two plugins and install them in the running eclipse.
>
> In a separate workspace. initially empty, and using the eclipse in which
> plugins A
> and B have been installed, I create a third plugin C, with an ecore
> model mmC.ecore
> that defines a class named classC, the superclass of which is classB.
>
> As soon as I add the Xtext nature to the project of plugin C, there is a
> error that
> appears in the Problems view :
>
> The feature 'eAllSuperTypes' of
> 'org.eclipse.emf.ecore.impl.EClassImpl@43b8d0fa{platform:/resource/pluginC/model/mmC.ecore#//classC}'
>
> contains an unresolved proxy
> 'org.eclipse.emf.ecore.impl.EClassImpl@58c50c93{archive:file:/<absolute-path-of-the-eclipse-installation>/plugins/pluginB_1.0.0.201302050856.jar!/../pluginA/model/mmA.ecore#//classA}'
>
>
> What's going wrong ?
>
> Eclipse if juno SR1, and Xtext is version 2.3.1.v201208210947
>
> Thanks for any hint.
>
> Nicolas.
--
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