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Rcp with XText-Plugins: Problem with ANTLR dependency [message #1717813]

Wed, 16 December 2015 23:16

Stefan Bauregger

Messages: 1
Registered: December 2015

Junior Member

Hi,

I am developing a RCP application which contains several Xtext plugins. When I run the RCP application I get many errors like this:

org.osgi.framework.BundleException: Could not resolve module: org.eclipse.xtext [233]
Unresolved requirement: Require-Bundle: org.antlr.runtime; bundle-version="[3.2.0,3.2.1)"; visibility:="reexport"

I think, the problem is, that I have two versions of antlr installed, 3.2.0 and 4.3.0. If I remove the antlr 4.3.0 jar from my Eclipse plugin folder, anything works as it should. But shouldnt it be possible to load the correct antlr plugin, while both plugins are installed? Has anyone an idea how to fix this problem?

Thank you

Stefan

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Re: Rcp with XText-Plugins: Problem with ANTLR dependency [message #1718282 is a reply to message #1717813]

Tue, 22 December 2015 06:15

Sven Efftinge

Messages: 1823
Registered: July 2009

Senior Member

Yes, it should work fine. Even the Antlr4 IDE itself is built with Xtext (https://github.com/jknack/antlr4ide).
In general you cannot activate two bundles with the same id if one of them is a singleton (check the manifest for singleton:=true).

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