[ERROR] java.lang.RuntimeException: Cannot create a resource for 'c:\work\org.xtext.example.mydsl/src/main/resources/
org/xtext/example/mydsl/GenerateMyDsl.mwe2'; a registered resource factory is need
ed
[ERROR]         at org.eclipse.emf.ecore.resource.impl.ResourceSetImpl.getResour
ce(ResourceSetImpl.java:394)
[ERROR]         at org.eclipse.xtext.resource.SynchronizedXtextResourceSet.getRe
source(SynchronizedXtextResourceSet.java:23)
[ERROR]         at org.eclipse.emf.mwe2.launch.runtime.Mwe2Runner.run(Mwe2Runner
.java:59)
[ERROR]         at org.eclipse.emf.mwe2.launch.runtime.Mwe2Runner.run(Mwe2Runner
.java:55)
[ERROR]         at org.eclipse.emf.mwe2.launch.runtime.Mwe2Launcher.run(Mwe2Laun
cher.java:74)
[ERROR]         at org.eclipse.emf.mwe2.launch.runtime.Mwe2Launcher.main(Mwe2Lau
ncher.java:35)

....
var grammarURI = "classpath:/org/xtext/example/mydsl/MyDsl.xtext"
var file.extensions = "mydsl"
var projectName = "org.xtext.example.mydsl"
var runtimeProject = "../${projectName}"

Workflow {
    bean = StandaloneSetup {
	    scanClassPath = true
	    platformUri = "${runtimeProject}/.."
	}