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Home » Modeling » TMF (Xtext) » How to generate and package xmi file with maven and xtext 2.9
How to generate and package xmi file with maven and xtext 2.9 [message #1714687] Sun, 15 November 2015 21:13 Go to next message
David Baum is currently offline David BaumFriend
Messages: 20
Registered: August 2014
Junior Member
Hello everyone,

yesterday I tried to port our codebase from xtext 2.8 to xtext 2.9 rc but I have a small problem. Our project structure is like this, using maven as build system:
- mydsl1
- mydsl2
- using_dsl_project
- using_dsl_project_parent


Thas was working with xtext 2.8 and maven (and tycho). When porting the mydsl-projects to XText 2.9 based on the pom from the example project created with the wizard, the created jar in the maven repository does not contain any xmi/xtextbin file anymore. This causes the following error message in the using_dsl_project:

 Error injecting constructor, org.eclipse.emf.common.util.WrappedException: org.eclipse.xtext.resource.ClasspathUriResolutionException: org.eclipse.xtext.resource.FileNotFoundOnClasspathException: Couldn't find resource on classpath. URI was 'classpath:/org/example/MyDSL1.xmi'


in the using_dsl_project the mydsl1 project is added as dependency. The workflow I try to invoke looks like this:

module using_dsl_project_run

var projectName = "using_dsl_run"
var runtimeProject = "../${projectName}"

Workflow {
	bean = org.eclipse.emf.mwe.utils.StandaloneSetup {
    	platformUri = "${runtimeProject}/.."
		registerGeneratedEPackage = "org.example.MyDSL1Package"
	}
	
	component = org.eclipse.xtext.mwe.Reader {
		path = "./input"
		register = org.example.MyDSL1StandaloneSetup {}
		loadResource = {
			slot = "mydsl"
		}
	}

	component = org.svis.generator.ResolveLazyComponent {}
	
	component = org.example.MyDSL12MyDSL2 {
		modelSlot = "mydsl"
	}
}


The error message at the reader component. Do I have to change something in the mydsl project to create the xtextbin file or am I missing something different?

Thanks in advance.

[Updated on: Mon, 16 November 2015 12:33]

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Re: How to generate and package xmi file with maven and xtext 2.9 [message #1714850 is a reply to message #1714687] Tue, 17 November 2015 09:40 Go to previous messageGo to next message
Stefan Oehme is currently offline Stefan OehmeFriend
Messages: 159
Registered: April 2010
Location: Kiel
Senior Member

After you run the generator, is the xtextbin file in your src-gen folder?
Re: How to generate and package xmi file with maven and xtext 2.9 [message #1715109 is a reply to message #1714850] Thu, 19 November 2015 10:38 Go to previous messageGo to next message
David Baum is currently offline David BaumFriend
Messages: 20
Registered: August 2014
Junior Member
Yes, src-gen contains mydsl1.xtextbin however it is not part of the jar file.
Re: How to generate and package xmi file with maven and xtext 2.9 [message #1715115 is a reply to message #1715109] Thu, 19 November 2015 11:08 Go to previous messageGo to next message
Christian Dietrich is currently offline Christian DietrichFriend
Messages: 14341
Registered: July 2009
Senior Member
Any warnings on build properties?

Need professional support for Xtext, Xpand, EMF?
Go to: https://www.itemis.com/en/it-services/methods-and-tools/xtext
Twitter : @chrdietrich
Blog : https://www.dietrich-it.de
Re: How to generate and package xmi file with maven and xtext 2.9 [message #1715222 is a reply to message #1715115] Fri, 20 November 2015 11:21 Go to previous messageGo to next message
David Baum is currently offline David BaumFriend
Messages: 20
Registered: August 2014
Junior Member
I get the following warning:

[WARNING] The assembly descriptor contains a filesystem-root relative reference, which is not cross platform compatible /
[INFO] Building jar: /home/naraesk/Alma Mater/Forschung/Promotion/workspace/generator_old/ws/org.xtext.example.mydsl1.parent/org.xtext.example.mydsl1/target/org.xtext.example.mydsl1-1.0.0-SNAPSHOT.jar
[WARNING] Configuration options: 'appendAssemblyId' is set to false, and 'classifier' is missing.
Instead of attaching the assembly file: /home/naraesk/Alma Mater/Forschung/Promotion/workspace/generator_old/ws/org.xtext.example.mydsl1.parent/org.xtext.example.mydsl1/target/org.xtext.example.mydsl1-1.0.0-SNAPSHOT.jar, it will become the file for main project artifact.
NOTE: If multiple descriptors or descriptor-formats are provided for this project, the value of this file will be non-deterministic!
[WARNING] Replacing pre-existing project main-artifact file: /home/naraesk/Alma Mater/Forschung/Promotion/workspace/generator_old/ws/org.xtext.example.mydsl1.parent/org.xtext.example.mydsl1/target/org.xtext.example.mydsl1-1.0.0-SNAPSHOT.jar
with assembly file: /home/naraesk/Alma Mater/Forschung/Promotion/workspace/generator_old/ws/org.xtext.example.mydsl1.parent/org.xtext.example.mydsl1/target/org.xtext.example.mydsl1-1.0.0-SNAPSHOT.jar


However the xtext example project, created by the project wizard, produces the same warning. And in the example project the resulting jar contains the xtextbin file. But besides naming/used packages I don't see any differences between my project and the example project. And, btw, I'm using "mvn clean install" for maven, or am I supposed to run a different command?
Re: How to generate and package xmi file with maven and xtext 2.9 [message #1715223 is a reply to message #1715222] Fri, 20 November 2015 11:26 Go to previous messageGo to next message
Christian Dietrich is currently offline Christian DietrichFriend
Messages: 14341
Registered: July 2009
Senior Member
no that Looks file. i think the Problem is that maven does not use the src-gen Folder as sources and resources Folder.
so there might be a missconfig in your pom.


Need professional support for Xtext, Xpand, EMF?
Go to: https://www.itemis.com/en/it-services/methods-and-tools/xtext
Twitter : @chrdietrich
Blog : https://www.dietrich-it.de
Re: How to generate and package xmi file with maven and xtext 2.9 [message #1715233 is a reply to message #1715223] Fri, 20 November 2015 13:00 Go to previous message
David Baum is currently offline David BaumFriend
Messages: 20
Registered: August 2014
Junior Member
Since I was not able to find any differences I reset my local .p2 bundled pool and my local m2 maven repository to restart from scratch. I'm not really sure why, but it works now. Smile
Thanks for your patience.
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