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[xcore] Reference types from UML2 meta-model in xcore [message #1837835]

Mon, 08 February 2021 07:45

Eclipse User

Hey there,

I am trying to reference the Component interface from UML2 in my xcore model like so:

import org.eclipse.uml2.uml.Component

[...]

class Uml2Test {
	refers Component [1] component
	refers EObject [1..*] targets
}

Manifest.MF lists org.eclipse.uml2.uml as a Required-Bundle. The bundle contains UML.genmodel.

I get several markers on this model:

The import is marked with a warning that the import is not used.

The line where I use Component has the following markers:

Multiple markers at this line
- The generic reference type must not refer to a data type 
- Component cannot be resolved to a type.

Any ideas what I am doing wrong?

Thanks,
Jan-Philipp

Re: [xcore] Reference types from UML2 meta-model in xcore [message #1837844 is a reply to message #1837835]

Mon, 08 February 2021 09:46

Eclipse User

Is there anything in the Error Log view that might suggest there is a internal problem?

There's this very old thread:

https://www.eclipse.org/forums/index.php/m/896697/?srch=xcore+uml2#msg_896697

It's quite a bit of work to set up a environment to reproduce such a problem. ..

Re: [xcore] Reference types from UML2 meta-model in xcore [message #1837845 is a reply to message #1837844]

Mon, 08 February 2021 10:00

Eclipse User

Ed,

thanks for getting back to me. When I do a clean build, I get the errors below. There seem to be two class loaders involved... any pointers are much appreciated.

Best,
Jan-Philipp

org.eclipse.xtext.builder.BuilderParticipant  - Error during compilation of 'platform:/resource/org.panorama-research.waters-2019.traceMetamodel/model/waters-challenge-tim.xcore'.

java.lang.NullPointerException
	at org.eclipse.emf.ecore.xcore.generator.XcoreGenerator.generateBodyAnnotations(XcoreGenerator.java:108)
	at org.eclipse.emf.ecore.xcore.generator.XcoreGenerator.doGenerate(XcoreGenerator.java:165)
	at org.eclipse.xtext.generator.GeneratorDelegate.doGenerate(GeneratorDelegate.java:46)
	at org.eclipse.xtext.generator.GeneratorDelegate.generate(GeneratorDelegate.java:35)
	at org.eclipse.xtext.builder.BuilderParticipant.handleChangedContents(BuilderParticipant.java:597)
	at org.eclipse.emf.ecore.xcore.ui.builder.XcoreBuildParticipant.handleChangedContents(XcoreBuildParticipant.java:140)
	at org.eclipse.xtext.builder.BuilderParticipant.handleChangedContents(BuilderParticipant.java:578)
	at org.eclipse.xtext.builder.BuilderParticipant.doGenerate(BuilderParticipant.java:563)
	at org.eclipse.xtext.builder.BuilderParticipant.doBuild(BuilderParticipant.java:303)
	at org.eclipse.xtext.builder.BuilderParticipant.build(BuilderParticipant.java:265)
	at org.eclipse.emf.ecore.xcore.ui.builder.XcoreBuildParticipant.build(XcoreBuildParticipant.java:51)
	at org.eclipse.xtext.builder.impl.RegistryBuilderParticipant$DeferredBuilderParticipant.build(RegistryBuilderParticipant.java:164)
	at org.eclipse.xtext.builder.impl.RegistryBuilderParticipant.build(RegistryBuilderParticipant.java:70)
	at org.eclipse.xtext.builder.impl.XtextBuilder.doBuild(XtextBuilder.java:392)
	at org.eclipse.xtext.builder.impl.XtextBuilder.addInfosFromTaskAndBuild(XtextBuilder.java:322)
	at org.eclipse.xtext.builder.impl.XtextBuilder.fullBuild(XtextBuilder.java:429)
	at org.eclipse.xtext.builder.impl.XtextBuilder.build(XtextBuilder.java:202)
	at org.eclipse.core.internal.events.BuildManager$2.run(BuildManager.java:832)
	at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:45)
	at org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:220)
	at org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:263)
	at org.eclipse.core.internal.events.BuildManager$1.run(BuildManager.java:316)
	at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:45)
	at org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:319)
	at org.eclipse.core.internal.events.BuildManager.basicBuildLoop(BuildManager.java:371)
	at org.eclipse.core.internal.events.BuildManager.build(BuildManager.java:392)
	at org.eclipse.core.internal.events.AutoBuildJob.doBuild(AutoBuildJob.java:154)
	at org.eclipse.core.internal.events.AutoBuildJob.run(AutoBuildJob.java:244)
	at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63)

org.eclipse.xtext.builder.clustering.ClusteringBuilderState  - Error validating platform:/resource/org.panorama-research.waters-2019.traceMetamodel/model/waters-challenge-tim.xcore

java.lang.ClassCastException: class org.eclipse.emf.ecore.xml.type.impl.AnyTypeImpl cannot be cast to class org.eclipse.emf.codegen.ecore.genmodel.GenModel (org.eclipse.emf.ecore.xml.type.impl.AnyTypeImpl is in unnamed module of loader org.eclipse.osgi.internal.loader.EquinoxClassLoader @3e3795cc; org.eclipse.emf.codegen.ecore.genmodel.GenModel is in unnamed module of loader org.eclipse.osgi.internal.loader.EquinoxClassLoader @564d5883)
	at org.eclipse.emf.ecore.xcore.util.XcoreGenModelBuilder.initializeUsedGenPackages(XcoreGenModelBuilder.java:290)
	at org.eclipse.emf.ecore.xcore.resource.XcoreModelAssociator.installDerivedState(XcoreModelAssociator.java:108)
	at org.eclipse.xtext.resource.DerivedStateAwareResource.installDerivedState(DerivedStateAwareResource.java:244)
	at org.eclipse.xtext.xbase.resource.BatchLinkableResource.getContents(BatchLinkableResource.java:149)
	at org.eclipse.xtext.xbase.typesystem.internal.LogicalContainerAwareBatchTypeResolver.getEntryPoints(LogicalContainerAwareBatchTypeResolver.java:45)
	at org.eclipse.xtext.xbase.typesystem.internal.DefaultBatchTypeResolver.getTypeResolver(DefaultBatchTypeResolver.java:87)
	at org.eclipse.xtext.xbase.typesystem.internal.CachingBatchTypeResolver$1.get(CachingBatchTypeResolver.java:50)
	at org.eclipse.xtext.xbase.typesystem.internal.CachingBatchTypeResolver$1.get(CachingBatchTypeResolver.java:47)
	at org.eclipse.xtext.util.OnChangeEvictingCache.get(OnChangeEvictingCache.java:76)
	at org.eclipse.xtext.xbase.typesystem.internal.CachingBatchTypeResolver.doResolveTypes(CachingBatchTypeResolver.java:47)
	at org.eclipse.xtext.xbase.typesystem.internal.AbstractBatchTypeResolver.resolveTypes(AbstractBatchTypeResolver.java:70)
	at org.eclipse.xtext.xbase.resource.BatchLinkingService.resolveBatched(BatchLinkingService.java:72)
	at org.eclipse.xtext.xbase.resource.BatchLinkableResource.resolveLazyCrossReferences(BatchLinkableResource.java:166)
	at org.eclipse.xtext.EcoreUtil2.resolveLazyCrossReferences(EcoreUtil2.java:505)
	at org.eclipse.xtext.validation.ResourceValidatorImpl.resolveProxies(ResourceValidatorImpl.java:162)
	at org.eclipse.xtext.validation.ResourceValidatorImpl.validate(ResourceValidatorImpl.java:75)
	at org.eclipse.xtext.ui.validation.DefaultResourceUIValidatorExtension.addMarkers(DefaultResourceUIValidatorExtension.java:61)
	at org.eclipse.xtext.ui.validation.DefaultResourceUIValidatorExtension.updateValidationMarkers(DefaultResourceUIValidatorExtension.java:47)
	at org.eclipse.xtext.builder.builderState.MarkerUpdaterImpl.processDelta(MarkerUpdaterImpl.java:94)
	at org.eclipse.xtext.builder.builderState.MarkerUpdaterImpl.updateMarkers(MarkerUpdaterImpl.java:64)
	at org.eclipse.xtext.builder.builderState.AbstractBuilderState.updateMarkers(AbstractBuilderState.java:130)
	at org.eclipse.xtext.builder.clustering.ClusteringBuilderState.doUpdate(ClusteringBuilderState.java:285)
	at org.eclipse.xtext.builder.builderState.AbstractBuilderState.update(AbstractBuilderState.java:164)
	at org.eclipse.xtext.builder.impl.XtextBuilder.doBuild(XtextBuilder.java:388)
	at org.eclipse.xtext.builder.impl.XtextBuilder.addInfosFromTaskAndBuild(XtextBuilder.java:322)
	at org.eclipse.xtext.builder.impl.XtextBuilder.fullBuild(XtextBuilder.java:429)
	at org.eclipse.xtext.builder.impl.XtextBuilder.build(XtextBuilder.java:202)
	at org.eclipse.core.internal.events.BuildManager$2.run(BuildManager.java:832)
	at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:45)
	at org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:220)
	at org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:263)
	at org.eclipse.core.internal.events.BuildManager$1.run(BuildManager.java:316)
	at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:45)
	at org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:319)
	at org.eclipse.core.internal.events.BuildManager.basicBuildLoop(BuildManager.java:371)
	at org.eclipse.core.internal.events.BuildManager.build(BuildManager.java:392)
	at org.eclipse.core.internal.events.AutoBuildJob.doBuild(AutoBuildJob.java:154)
	at org.eclipse.core.internal.events.AutoBuildJob.run(AutoBuildJob.java:244)
	at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63)

org.eclipse.xtext.builder.clustering.CopiedResourceDescription  - java.lang.IllegalStateException: getImportedNames platform:/resource/org.panorama-research.waters-2019.traceMetamodel/model/waters-challenge-tim.xcore

java.lang.IllegalStateException: getImportedNames platform:/resource/org.panorama-research.waters-2019.traceMetamodel/model/waters-challenge-tim.xcore
	at org.eclipse.xtext.builder.clustering.CopiedResourceDescription.getImportedNames(CopiedResourceDescription.java:76)
	at org.eclipse.xtext.builder.builderState.BuilderStateUtil.copyImportedNames(BuilderStateUtil.java:41)
	at org.eclipse.xtext.builder.builderState.BuilderStateUtil.create(BuilderStateUtil.java:36)
	at org.eclipse.xtext.builder.clustering.ClusteringBuilderState.doUpdate(ClusteringBuilderState.java:269)
	at org.eclipse.xtext.builder.builderState.AbstractBuilderState.update(AbstractBuilderState.java:164)
	at org.eclipse.xtext.builder.impl.XtextBuilder.doBuild(XtextBuilder.java:388)
	at org.eclipse.xtext.builder.impl.XtextBuilder.addInfosFromTaskAndBuild(XtextBuilder.java:322)
	at org.eclipse.xtext.builder.impl.XtextBuilder.fullBuild(XtextBuilder.java:429)
	at org.eclipse.xtext.builder.impl.XtextBuilder.build(XtextBuilder.java:202)
	at org.eclipse.core.internal.events.BuildManager$2.run(BuildManager.java:832)
	at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:45)
	at org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:220)
	at org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:263)
	at org.eclipse.core.internal.events.BuildManager$1.run(BuildManager.java:316)
	at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:45)
	at org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:319)
	at org.eclipse.core.internal.events.BuildManager.basicBuildLoop(BuildManager.java:371)
	at org.eclipse.core.internal.events.BuildManager.build(BuildManager.java:392)
	at org.eclipse.core.internal.events.AutoBuildJob.doBuild(AutoBuildJob.java:154)
	at org.eclipse.core.internal.events.AutoBuildJob.run(AutoBuildJob.java:244)
	at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63)

org.eclipse.xtext.builder.clustering.CopiedResourceDescription  - java.lang.IllegalStateException: getReferenceDescriptions platform:/resource/org.panorama-research.waters-2019.traceMetamodel/model/waters-challenge-tim.xcore

java.lang.IllegalStateException: getReferenceDescriptions platform:/resource/org.panorama-research.waters-2019.traceMetamodel/model/waters-challenge-tim.xcore
	at org.eclipse.xtext.builder.clustering.CopiedResourceDescription.getReferenceDescriptions(CopiedResourceDescription.java:85)
	at org.eclipse.xtext.builder.builderState.BuilderStateUtil.copyReferenceDescriptions(BuilderStateUtil.java:60)
	at org.eclipse.xtext.builder.builderState.BuilderStateUtil.create(BuilderStateUtil.java:35)
	at org.eclipse.xtext.builder.clustering.ClusteringBuilderState.doUpdate(ClusteringBuilderState.java:269)
	at org.eclipse.xtext.builder.builderState.AbstractBuilderState.update(AbstractBuilderState.java:164)
	at org.eclipse.xtext.builder.impl.XtextBuilder.doBuild(XtextBuilder.java:388)
	at org.eclipse.xtext.builder.impl.XtextBuilder.addInfosFromTaskAndBuild(XtextBuilder.java:322)
	at org.eclipse.xtext.builder.impl.XtextBuilder.fullBuild(XtextBuilder.java:429)
	at org.eclipse.xtext.builder.impl.XtextBuilder.build(XtextBuilder.java:202)
	at org.eclipse.core.internal.events.BuildManager$2.run(BuildManager.java:832)
	at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:45)
	at org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:220)
	at org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:263)
	at org.eclipse.core.internal.events.BuildManager$1.run(BuildManager.java:316)
	at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:45)
	at org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:319)
	at org.eclipse.core.internal.events.BuildManager.basicBuildLoop(BuildManager.java:371)
	at org.eclipse.core.internal.events.BuildManager.build(BuildManager.java:392)
	at org.eclipse.core.internal.events.AutoBuildJob.doBuild(AutoBuildJob.java:154)
	at org.eclipse.core.internal.events.AutoBuildJob.run(AutoBuildJob.java:244)
	at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63)

org.eclipse.xtext.builder.clustering.ClusteringBuilderState  - Error loading resource from: platform:/resource/org.panorama-research.waters-2019.traceMetamodel/model/waters-challenge-tim.xcore

org.eclipse.xtext.builder.resourceloader.IResourceLoader$LoadOperationException: java.lang.ClassCastException: class org.eclipse.emf.ecore.xml.type.impl.AnyTypeImpl cannot be cast to class org.eclipse.emf.codegen.ecore.genmodel.GenModel (org.eclipse.emf.ecore.xml.type.impl.AnyTypeImpl is in unnamed module of loader org.eclipse.osgi.internal.loader.EquinoxClassLoader @3e3795cc; org.eclipse.emf.codegen.ecore.genmodel.GenModel is in unnamed module of loader org.eclipse.osgi.internal.loader.EquinoxClassLoader @564d5883)
	at org.eclipse.xtext.builder.clustering.ClusteringBuilderState.doUpdate(ClusteringBuilderState.java:243)
	at org.eclipse.xtext.builder.builderState.AbstractBuilderState.update(AbstractBuilderState.java:164)
	at org.eclipse.xtext.builder.impl.XtextBuilder.doBuild(XtextBuilder.java:388)
	at org.eclipse.xtext.builder.impl.XtextBuilder.addInfosFromTaskAndBuild(XtextBuilder.java:322)
	at org.eclipse.xtext.builder.impl.XtextBuilder.fullBuild(XtextBuilder.java:429)
	at org.eclipse.xtext.builder.impl.XtextBuilder.build(XtextBuilder.java:202)
	at org.eclipse.core.internal.events.BuildManager$2.run(BuildManager.java:832)
	at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:45)
	at org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:220)
	at org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:263)
	at org.eclipse.core.internal.events.BuildManager$1.run(BuildManager.java:316)
	at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:45)
	at org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:319)
	at org.eclipse.core.internal.events.BuildManager.basicBuildLoop(BuildManager.java:371)
	at org.eclipse.core.internal.events.BuildManager.build(BuildManager.java:392)
	at org.eclipse.core.internal.events.AutoBuildJob.doBuild(AutoBuildJob.java:154)
	at org.eclipse.core.internal.events.AutoBuildJob.run(AutoBuildJob.java:244)
	at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63)
Caused by: java.lang.ClassCastException: class org.eclipse.emf.ecore.xml.type.impl.AnyTypeImpl cannot be cast to class org.eclipse.emf.codegen.ecore.genmodel.GenModel (org.eclipse.emf.ecore.xml.type.impl.AnyTypeImpl is in unnamed module of loader org.eclipse.osgi.internal.loader.EquinoxClassLoader @3e3795cc; org.eclipse.emf.codegen.ecore.genmodel.GenModel is in unnamed module of loader org.eclipse.osgi.internal.loader.EquinoxClassLoader @564d5883)
	at org.eclipse.emf.ecore.xcore.util.XcoreGenModelBuilder.initializeUsedGenPackages(XcoreGenModelBuilder.java:290)
	at org.eclipse.emf.ecore.xcore.resource.XcoreModelAssociator.installDerivedState(XcoreModelAssociator.java:108)
	at org.eclipse.xtext.resource.DerivedStateAwareResource.installDerivedState(DerivedStateAwareResource.java:244)
	at org.eclipse.xtext.xbase.resource.BatchLinkableResource.getContents(BatchLinkableResource.java:149)
	at org.eclipse.xtext.xbase.typesystem.internal.LogicalContainerAwareBatchTypeResolver.getEntryPoints(LogicalContainerAwareBatchTypeResolver.java:45)
	at org.eclipse.xtext.xbase.typesystem.internal.DefaultBatchTypeResolver.getTypeResolver(DefaultBatchTypeResolver.java:87)
	at org.eclipse.xtext.xbase.typesystem.internal.CachingBatchTypeResolver$1.get(CachingBatchTypeResolver.java:50)
	at org.eclipse.xtext.xbase.typesystem.internal.CachingBatchTypeResolver$1.get(CachingBatchTypeResolver.java:47)
	at org.eclipse.xtext.util.OnChangeEvictingCache.get(OnChangeEvictingCache.java:76)
	at org.eclipse.xtext.xbase.typesystem.internal.CachingBatchTypeResolver.doResolveTypes(CachingBatchTypeResolver.java:47)
	at org.eclipse.xtext.xbase.typesystem.internal.AbstractBatchTypeResolver.resolveTypes(AbstractBatchTypeResolver.java:70)
	at org.eclipse.xtext.xbase.resource.BatchLinkingService.resolveBatched(BatchLinkingService.java:72)
	at org.eclipse.xtext.xbase.resource.BatchLinkableResource.resolveLazyCrossReferences(BatchLinkableResource.java:166)
	at org.eclipse.xtext.EcoreUtil2.resolveLazyCrossReferences(EcoreUtil2.java:505)
	at org.eclipse.xtext.builder.clustering.ClusteringBuilderState.doUpdate(ClusteringBuilderState.java:232)
	... 17 more

org.eclipse.xtext.builder.clustering.ClusteringBuilderState  - Error resolving cross references on resource 'platform:/resource/org.panorama-research.waters-2019.traceMetamodel/model/waters-challenge-tim.xcore'

java.lang.ClassCastException: class org.eclipse.emf.ecore.xml.type.impl.AnyTypeImpl cannot be cast to class org.eclipse.emf.codegen.ecore.genmodel.GenModel (org.eclipse.emf.ecore.xml.type.impl.AnyTypeImpl is in unnamed module of loader org.eclipse.osgi.internal.loader.EquinoxClassLoader @3e3795cc; org.eclipse.emf.codegen.ecore.genmodel.GenModel is in unnamed module of loader org.eclipse.osgi.internal.loader.EquinoxClassLoader @564d5883)
	at org.eclipse.emf.ecore.xcore.util.XcoreGenModelBuilder.initializeUsedGenPackages(XcoreGenModelBuilder.java:290)
	at org.eclipse.emf.ecore.xcore.resource.XcoreModelAssociator.installDerivedState(XcoreModelAssociator.java:108)
	at org.eclipse.xtext.resource.DerivedStateAwareResource.installDerivedState(DerivedStateAwareResource.java:244)
	at org.eclipse.xtext.xbase.resource.BatchLinkableResource.getContents(BatchLinkableResource.java:149)
	at org.eclipse.xtext.xbase.typesystem.internal.LogicalContainerAwareBatchTypeResolver.getEntryPoints(LogicalContainerAwareBatchTypeResolver.java:45)
	at org.eclipse.xtext.xbase.typesystem.internal.DefaultBatchTypeResolver.getTypeResolver(DefaultBatchTypeResolver.java:87)
	at org.eclipse.xtext.xbase.typesystem.internal.CachingBatchTypeResolver$1.get(CachingBatchTypeResolver.java:50)
	at org.eclipse.xtext.xbase.typesystem.internal.CachingBatchTypeResolver$1.get(CachingBatchTypeResolver.java:47)
	at org.eclipse.xtext.util.OnChangeEvictingCache.get(OnChangeEvictingCache.java:76)
	at org.eclipse.xtext.xbase.typesystem.internal.CachingBatchTypeResolver.doResolveTypes(CachingBatchTypeResolver.java:47)
	at org.eclipse.xtext.xbase.typesystem.internal.AbstractBatchTypeResolver.resolveTypes(AbstractBatchTypeResolver.java:70)
	at org.eclipse.xtext.xbase.resource.BatchLinkingService.resolveBatched(BatchLinkingService.java:72)
	at org.eclipse.xtext.xbase.resource.BatchLinkableResource.resolveLazyCrossReferences(BatchLinkableResource.java:166)
	at org.eclipse.xtext.EcoreUtil2.resolveLazyCrossReferences(EcoreUtil2.java:505)
	at org.eclipse.xtext.builder.clustering.ClusteringBuilderState.doUpdate(ClusteringBuilderState.java:232)
	at org.eclipse.xtext.builder.builderState.AbstractBuilderState.update(AbstractBuilderState.java:164)
	at org.eclipse.xtext.builder.impl.XtextBuilder.doBuild(XtextBuilder.java:388)
	at org.eclipse.xtext.builder.impl.XtextBuilder.addInfosFromTaskAndBuild(XtextBuilder.java:322)
	at org.eclipse.xtext.builder.impl.XtextBuilder.fullBuild(XtextBuilder.java:429)
	at org.eclipse.xtext.builder.impl.XtextBuilder.build(XtextBuilder.java:202)
	at org.eclipse.core.internal.events.BuildManager$2.run(BuildManager.java:832)
	at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:45)
	at org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:220)
	at org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:263)
	at org.eclipse.core.internal.events.BuildManager$1.run(BuildManager.java:316)
	at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:45)
	at org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:319)
	at org.eclipse.core.internal.events.BuildManager.basicBuildLoop(BuildManager.java:371)
	at org.eclipse.core.internal.events.BuildManager.build(BuildManager.java:392)
	at org.eclipse.core.internal.events.AutoBuildJob.doBuild(AutoBuildJob.java:154)
	at org.eclipse.core.internal.events.AutoBuildJob.run(AutoBuildJob.java:244)
	at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63)

Re: [xcore] Reference types from UML2 meta-model in xcore [message #1837852 is a reply to message #1837845]

Mon, 08 February 2021 10:27

Eclipse User

Do you have org.eclipse.uml2.codegen.ecore installed in the IDE where you are trying to use these UML2 genmodels? UML2 has its own extended GenModel implementation and so its *.genmodels cannot be loaded without that implementation of that in the running environment.

Re: [xcore] Reference types from UML2 meta-model in xcore [message #1837918 is a reply to message #1837852]

Wed, 10 February 2021 09:32

Eclipse User

That worked, thank you very much! Your help is, as always, much appreciated.

For future reference, the org.eclipse.uml2.codegen.ecore is part of the "UML2 Extender SDK" feature that is included on the release update site.

Re: [xcore] Reference types from UML2 meta-model in xcore [message #1837922 is a reply to message #1837918]

Wed, 10 February 2021 11:23

Eclipse User

Thanks for sharing the results and for confirming that your problem is resolved.

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