| unresolved requirements when running product [message #1800320] |
Mon, 24 December 2018 14:16  |
 Jens Bürger
Messages: 55
Registered: October 2012 |
Member |
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Hello all,
I set up a RCP project according to the Vogella tutorial:
http://www.vogella.com/tutorials/EclipseRCP/article.html
That means I have:
- a RCP project, containing the GUI code and the e4 application model
- a feature project containing dependencies, esp. the RCP project and the Ecore model project
- a product-project, with product configuration based on features, in this case my own feature (and the Eclipse features as suggested by the Vogella tutorial)
After I built the project as suggested, it ran fine. But is they grew and started to have additional dependencies, I continuously run into unresolvable dependency problems when trying to launch the project.
For example, I got this when trying to launch the product via the "Launch an Eclipse application"-link in the product overview:
!ENTRY org.eclipse.equinox.app 0 0 2018-12-24 15:02:41.942
!MESSAGE Product org.derbunker.kabelsalat.rcp.product could not be found.
!ENTRY org.derbunker.kabelsalat.rcp 2 0 2018-12-24 15:02:42.099
!MESSAGE Could not resolve module: org.derbunker.kabelsalat.rcp [13]
Unresolved requirement: Require-Bundle: org.eclipse.emf.databinding.edit
I double checked the data I have in my RCP, product and feature projects, and they are still configured as suggested by the tutorial.
Regarding the latter unresolved requirement i am quite confused, because the bundle org.eclipse.emf.databinding.edit is part of the features' dependency as well as in the RCP project...
If I alter the automatically generated run configuration by clicking on "Add required plugin-ins", the missing plug-ins are added and, using the "Run" menu, I can easily run my application.
Any suggestions?
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| Re: unresolved requirements when running product [message #1800756 is a reply to message #1800320] |
Mon, 07 January 2019 20:46  |
Eclipse User |
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I'm not very familiar with that Eclipse RCP tutorial, but I took a quick scan and I don't see it including any features that will include the org.eclipse.emf.databinding.edit bundle. That bundle is included in the org.eclipse.emf.databinding.edit feature. Neither of the org.eclipse.emf.ecore or org.eclipse.emf.common features include either of the org.eclipse.emf.databinding.edit bundle or feature. The org.eclipse.emf.databinding.edit bundle should be included if you reference the org.eclipse.emf feature though.
Hope that helps.
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| Re: unresolved requirements when running product [message #1823991 is a reply to message #1800320] |
Mon, 06 April 2020 09:26 |
Jens Bürger
Messages: 55
Registered: October 2012 |
Member |
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Thank you for your information. I did as you suggested. After clicking "Add Required", I ended up with unresolved require-bundle:
- org.eclipse.emf.databinding
- org.eclipse.emf.databinding.edit
- org.eclipse.emf.edit
- org.eclipse.core.resources
- org.eclipse.emf.edit.ui
- org.eclipse.ui.ide
I managed to solve some of the issues by adding these features:
- org.eclipse.databinding
- org.eclipse.databinding.edit
- org.eclipse.emf.edit
- org.eclipse.emf.edit.ui
However, I managed to solve all unresolved constraints and ended up with 22 features (which I find quite surprising, since my project doesn't do much currently), but, when launching the product, it comes up, while a plethora of NPEs are thrown and the IDE crashes, while my RCP application still runs.
Apart from that: solving depencies this way is a tedious task, especially because adding a feature may cause transitive unresolved dependency issues. Is there no way to automate this?
[Updated on: Mon, 06 April 2020 09:28] Report message to a moderator |
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