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porting sirius prototype from eclipse 3 to eclipse 4 [message #1856253]

Tue, 29 November 2022 16:41

Arnault Bonafos

Messages: 5
Registered: November 2022

Junior Member

Hello,

We have a prototype with eclipse 3 on top of sirius which creates a new project and opens a window, the window is almost empty but it works fine for a demo.

We are porting this prototype to eclipse 4 and after porting some Wizard code to Open an existing project we are seeing an IllegalStateException after completion of the wizard:

java.lang.IllegalStateException: Workbench has not been created yet.
at org.eclipse.ui.PlatformUI.getWorkbench(PlatformUI.java:102)
at org.eclipse.sirius.ui.tools.internal.views.common.modelingproject.OpenRepresentationsFileJob.scheduleNewWhenPossible(OpenRepresentationsFileJob.java:137)
at org.eclipse.sirius.ui.tools.internal.views.common.modelingproject.manager.ModelingProjectManagerImpl.loadAndOpenRepresentationsFiles(ModelingProjectManagerImpl.java:199)
at org.eclipse.sirius.ui.tools.internal.views.common.modelingproject.manager.ModelingProjectManagerImpl.loadAndOpenRepresentationsFiles(ModelingProjectManagerImpl.java:152)
at org.eclipse.sirius.ui.tools.internal.views.common.modelingproject.manager.ModelingProjectManagerImpl.loadAndOpenRepresentationsFile(ModelingProjectManagerImpl.java:132)
at org.eclipse.sirius.ui.tools.api.views.modelexplorerview.resourcelistener.DefaultModelingProjectResourceListener.resourceChanged(DefaultModelingProjectResourceListener.java:101)
at org.eclipse.core.internal.events.NotificationManager$1.run(NotificationManager.java:307)
at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:45)
at org.eclipse.core.internal.events.NotificationManager.notify(NotificationManager.java:297)
at org.eclipse.core.internal.events.NotificationManager.broadcastChanges(NotificationManager.java:160)
at org.eclipse.core.internal.resources.Workspace.broadcastPostChange(Workspace.java:388)
at org.eclipse.core.internal.resources.Workspace.endOperation(Workspace.java:1514)
at Org.eclipse.core.internal.resources.InternalWorkspaceJob.run(InternalWorkspaceJob.java:50)
at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63)

I've searched the code an on internet and it could be that I am not calling PlatformUI.createAndRunWorkbench, this used to be called in an Application startup in eclipse 3 but I'm not sure of the corresponding concept with eclipse4.
Any help appreciated!

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Re: porting sirius prototype from eclipse 3 to eclipse 4 [message #1856355 is a reply to message #1856253]

Tue, 06 December 2022 11:00

Arnault Bonafos

Messages: 5
Registered: November 2022

Junior Member

To answer my own question what seems to be the solution is to run sirius as an e3 plugin through the compatibility layer, this way sirius can be run in a e4 environnement (Application.e4xmi).
I've found a great tutorial that explains and demonstrates how to enable the compatibility layer, here is the link:
https://dirksmetric.wordpress.com/2012/08/01/tutorial-eclipse-rcp-e4-with-3-x-views-like-project-explorer-properties-etc/

Hope this helps.

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