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Home » Modeling » TMF (Xtext) » Couldn't find resource on classpath. URI was 'classpath:/de.mdsd.xtext.support.utils/GenModel.npsm#|(I want to understand where the error is comming from)
Couldn't find resource on classpath. URI was 'classpath:/de.mdsd.xtext.support.utils/GenModel.npsm#| [message #1765514] Sun, 11 June 2017 18:54 Go to next message
Olaf Bigalk is currently offline Olaf BigalkFriend
Messages: 155
Registered: July 2009
Location: Berlin
Senior Member
I have some DSL plugins A, B and C. A uses B and C. When I create e resource with A I always get the following error if A uses a resource of C.
org.eclipse.xtext.resource.ClasspathUriResolutionException: org.eclipse.xtext.resource.FileNotFoundOnClasspathException: Couldn't find resource on classpath. URI was 'classpath:/de.mdsd.xtext.support.utils/GenModel.npsm#|2'
	at org.eclipse.xtext.resource.ClassloaderClasspathUriResolver.resolve(ClassloaderClasspathUriResolver.java:49)
	at org.eclipse.xtext.resource.XtextResourceSet.resolveClasspathURI(XtextResourceSet.java:221)
	at org.eclipse.xtext.resource.XtextResourceSet.access$0(XtextResourceSet.java:220)
	at org.eclipse.xtext.resource.XtextResourceSet$1.normalize(XtextResourceSet.java:284)
	at org.eclipse.xtext.resource.XtextResourceSet.getResource(XtextResourceSet.java:239)
	at de.mdsd.xtext.support.utils.EcoreUtils.resolve(EcoreUtils.java:122)
	at de.mdsd.xtext.support.utils.GeneratedGenModelQualifiedNameProviderSwitch.caseGenPackage(GeneratedGenModelQualifiedNameProviderSwitch.java:309)
	at de.mdsd.xtext.support.utils.GeneratedGenModelQualifiedNameProviderSwitch.caseGenPackage(GeneratedGenModelQualifiedNameProviderSwitch.java:1)
	at org.eclipse.emf.codegen.ecore.genmodel.util.GenModelSwitch.doSwitch(GenModelSwitch.java:93)
	at org.eclipse.emf.ecore.util.Switch.doSwitch(Switch.java:53)
	at org.eclipse.emf.ecore.util.Switch.doSwitch(Switch.java:69)
	at de.mdsd.xtext.support.utils.GeneratedGenModelQualifiedNameProviderSwitch.apply(GeneratedGenModelQualifiedNameProviderSwitch.java:51)
	at de.mdsd.xtext.support.utils.GeneratedGenModelQualifiedNameProvider.getFullyQualifiedName(GeneratedGenModelQualifiedNameProvider.java:78)
	at de.mdsd.xtext.support.utils.GeneratedGenModelQualifiedNameProvider.apply(GeneratedGenModelQualifiedNameProvider.java:99)
	at de.mdsd.xtext.support.utils.GeneratedGenModelQualifiedNameProvider.doApply(GeneratedGenModelQualifiedNameProvider.java:50)
	at de.mdsd.xtext.up.name.providerswitch.model.utils.GeneratedNameProviderSwitchModelQualifiedNameProviderSwitch.caseGrammarReference(GeneratedNameProviderSwitchModelQualifiedNameProviderSwitch.java:331)
	at de.mdsd.xtext.up.name.providerswitch.model.utils.GeneratedNameProviderSwitchModelQualifiedNameProviderSwitch.caseGrammarReference(GeneratedNameProviderSwitchModelQualifiedNameProviderSwitch.java:1)
	at de.mdsd.xtext.up.name.providerswitch.model.nameProviderSwitchModel.util.NameProviderSwitchModelSwitch.doSwitch(NameProviderSwitchModelSwitch.java:107)
	at org.eclipse.emf.ecore.util.Switch.doSwitch(Switch.java:53)
	at org.eclipse.emf.ecore.util.Switch.doSwitch(Switch.java:69)
	at de.mdsd.xtext.up.name.providerswitch.model.utils.GeneratedNameProviderSwitchModelProposalTextQualifiedNameProviderSwitch.caseNameProviderSwitchDefinition(GeneratedNameProviderSwitchModelProposalTextQualifiedNameProviderSwitch.java:129)
	at de.mdsd.xtext.up.name.providerswitch.model.utils.GeneratedNameProviderSwitchModelQualifiedNameProviderSwitch.caseNameProviderSwitchDefinition(GeneratedNameProviderSwitchModelQualifiedNameProviderSwitch.java:1)
	at de.mdsd.xtext.up.name.providerswitch.model.nameProviderSwitchModel.util.NameProviderSwitchModelSwitch.doSwitch(NameProviderSwitchModelSwitch.java:114)
	at org.eclipse.emf.ecore.util.Switch.doSwitch(Switch.java:53)
	at org.eclipse.emf.ecore.util.Switch.doSwitch(Switch.java:69)
	at de.mdsd.xtext.up.name.providerswitch.model.utils.GeneratedNameProviderSwitchModelProposalTextQualifiedNameProviderSwitch.apply(GeneratedNameProviderSwitchModelProposalTextQualifiedNameProviderSwitch.java:38)
	at de.mdsd.xtext.up.name.providerswitch.model.utils.GeneratedNameProviderSwitchModelProposalTextQualifiedNameProvider.getFullyQualifiedName(GeneratedNameProviderSwitchModelProposalTextQualifiedNameProvider.java:48)
	at de.mdsd.xtext.up.name.providerswitch.model.utils.GeneratedNameProviderSwitchModelProposalTextQualifiedNameProvider.getFullyQualifiedName(GeneratedNameProviderSwitchModelProposalTextQualifiedNameProvider.java:42)
	at de.mdsd.xtext.support.utils.XtextSupportScopeProviderUtils.makeEObjectListScope(XtextSupportScopeProviderUtils.java:60)
	at de.mdsd.xtext.up.name.providerswitch.model.scoping.GeneratedNameProviderSwitchModelDelegateScopeProvider.scope_FeatureReference_nameProvider(GeneratedNameProviderSwitchModelDelegateScopeProvider.java:120)
	at sun.reflect.GeneratedMethodAccessor51.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:498)
	at org.eclipse.xtext.util.PolymorphicDispatcher.invoke(PolymorphicDispatcher.java:296)
	at org.eclipse.xtext.scoping.impl.AbstractDeclarativeScopeProvider.polymorphicFindScopeForReferenceName(AbstractDeclarativeScopeProvider.java:152)
	at org.eclipse.xtext.scoping.impl.AbstractDeclarativeScopeProvider.getScope(AbstractDeclarativeScopeProvider.java:100)
	at org.eclipse.xtext.linking.impl.DefaultLinkingService.getScope(DefaultLinkingService.java:59)
	at org.eclipse.xtext.linking.impl.DefaultLinkingService.getLinkedObjects(DefaultLinkingService.java:119)
	at org.eclipse.xtext.linking.lazy.LazyLinkingResource.getEObject(LazyLinkingResource.java:247)
	at org.eclipse.xtext.linking.lazy.LazyLinkingResource.getEObject(LazyLinkingResource.java:222)
	at org.eclipse.emf.ecore.resource.impl.ResourceSetImpl.getEObject(ResourceSetImpl.java:223)
	at org.eclipse.emf.ecore.util.EcoreUtil.resolve(EcoreUtil.java:199)
	at org.eclipse.emf.ecore.util.EcoreUtil.resolve(EcoreUtil.java:259)
	at org.eclipse.emf.ecore.impl.BasicEObjectImpl.eResolveProxy(BasicEObjectImpl.java:1477)
	at de.mdsd.xtext.up.name.providerswitch.model.nameProviderSwitchModel.impl.FeatureReferenceImpl.getNameProvider(FeatureReferenceImpl.java:559)
	at de.mdsd.xtext.up.name.providerswitch.model.nameProviderSwitchModel.impl.FeatureReferenceImpl.eGet(FeatureReferenceImpl.java:648)
	at org.eclipse.emf.ecore.impl.BasicEObjectImpl.eGet(BasicEObjectImpl.java:1011)
	at org.eclipse.emf.ecore.impl.BasicEObjectImpl.eGet(BasicEObjectImpl.java:1003)
	at org.eclipse.emf.ecore.util.EContentsEList$FeatureIteratorImpl.hasNext(EContentsEList.java:439)
	at org.eclipse.emf.ecore.util.EContentsEList$FeatureIteratorImpl.next(EContentsEList.java:595)
	at org.eclipse.emf.ecore.util.EcoreUtil.resolveCrossReferences(EcoreUtil.java:304)
	at org.eclipse.emf.ecore.util.EcoreUtil.resolveAll(EcoreUtil.java:298)
	at org.eclipse.emf.ecore.util.EcoreUtil.resolveAll(EcoreUtil.java:283)
	at de.mdsd.xtext.support.proposal.provider.utils.GeneratedProposalProviderMakeImportedGenClassListSwitch.caseImport(GeneratedProposalProviderMakeImportedGenClassListSwitch.java:125)
	at de.mdsd.xtext.support.proposal.provider.utils.GeneratedProposalProviderMakeImportedGenClassListSwitch.caseImport(GeneratedProposalProviderMakeImportedGenClassListSwitch.java:1)
	at de.mdsd.xtext.support.proposal.provider.proposalProvider.util.ProposalProviderSwitch.doSwitch(ProposalProviderSwitch.java:239)
	at org.eclipse.emf.ecore.util.Switch.doSwitch(Switch.java:53)
	at org.eclipse.emf.ecore.util.Switch.doSwitch(Switch.java:69)
	at de.mdsd.xtext.support.proposal.provider.utils.GeneratedProposalProviderMakeImportedGenClassListSwitch.caseProposalProvider(GeneratedProposalProviderMakeImportedGenClassListSwitch.java:101)
	at de.mdsd.xtext.support.proposal.provider.utils.GeneratedProposalProviderMakeImportedGenClassListSwitch.caseProposalProvider(GeneratedProposalProviderMakeImportedGenClassListSwitch.java:1)
	at de.mdsd.xtext.support.proposal.provider.proposalProvider.util.ProposalProviderSwitch.doSwitch(ProposalProviderSwitch.java:78)
	at org.eclipse.emf.ecore.util.Switch.doSwitch(Switch.java:53)
	at org.eclipse.emf.ecore.util.Switch.doSwitch(Switch.java:69)
	at de.mdsd.xtext.support.proposal.provider.utils.GeneratedProposalProviderMakeImportedGenClassListSwitch.caseModelProposal(GeneratedProposalProviderMakeImportedGenClassListSwitch.java:158)
	at de.mdsd.xtext.support.proposal.provider.utils.GeneratedProposalProviderMakeImportedGenClassListSwitch.caseModelProposal(GeneratedProposalProviderMakeImportedGenClassListSwitch.java:1)
	at de.mdsd.xtext.support.proposal.provider.proposalProvider.util.ProposalProviderSwitch.doSwitch(ProposalProviderSwitch.java:85)
	at org.eclipse.emf.ecore.util.Switch.doSwitch(Switch.java:53)
	at org.eclipse.emf.ecore.util.Switch.doSwitch(Switch.java:69)
	at de.mdsd.xtext.support.proposal.provider.utils.GeneratedProposalProviderMakeImportedGenClassListSwitch.apply(GeneratedProposalProviderMakeImportedGenClassListSwitch.java:53)
	at de.mdsd.xtext.support.proposal.provider.scoping.GeneratedProposalProviderDelegateScopeProvider.scope_ModelProposal_modelClass(GeneratedProposalProviderDelegateScopeProvider.java:49)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:498)
	at org.eclipse.xtext.util.PolymorphicDispatcher.invoke(PolymorphicDispatcher.java:296)
	at org.eclipse.xtext.scoping.impl.AbstractDeclarativeScopeProvider.polymorphicFindScopeForReferenceName(AbstractDeclarativeScopeProvider.java:152)
	at org.eclipse.xtext.scoping.impl.AbstractDeclarativeScopeProvider.getScope(AbstractDeclarativeScopeProvider.java:100)
	at org.eclipse.xtext.linking.impl.DefaultLinkingService.getScope(DefaultLinkingService.java:59)
	at org.eclipse.xtext.linking.impl.DefaultLinkingService.getLinkedObjects(DefaultLinkingService.java:119)
	at org.eclipse.xtext.linking.lazy.LazyLinkingResource.getEObject(LazyLinkingResource.java:247)
	at org.eclipse.xtext.linking.lazy.LazyLinkingResource.getEObject(LazyLinkingResource.java:222)
	at org.eclipse.xtext.linking.lazy.LazyLinkingResource.doResolveLazyCrossReference(LazyLinkingResource.java:189)
	at org.eclipse.xtext.linking.lazy.LazyLinkingResource.resolveLazyCrossReference(LazyLinkingResource.java:148)
	at org.eclipse.xtext.linking.lazy.LazyLinkingResource.resolveLazyCrossReferences(LazyLinkingResource.java:134)
	at org.eclipse.xtext.EcoreUtil2.resolveLazyCrossReferences(EcoreUtil2.java:498)
	at org.eclipse.xtext.ui.editor.reconciler.XtextDocumentReconcileStrategy.postParse(XtextDocumentReconcileStrategy.java:175)
	at org.eclipse.xtext.ui.editor.reconciler.XtextDocumentReconcileStrategy.doReconcile(XtextDocumentReconcileStrategy.java:153)
	at org.eclipse.xtext.ui.editor.reconciler.XtextDocumentReconcileStrategy.reconcile(XtextDocumentReconcileStrategy.java:67)
	at org.eclipse.xtext.ui.editor.reconciler.XtextReconciler.doRun(XtextReconciler.java:442)
	at org.eclipse.xtext.ui.editor.reconciler.XtextReconciler.access$3(XtextReconciler.java:422)
	at org.eclipse.xtext.ui.editor.reconciler.XtextReconciler$DocumentListener$1.exec(XtextReconciler.java:133)
	at org.eclipse.xtext.ui.editor.reconciler.XtextReconciler$DocumentListener$1.exec(XtextReconciler.java:1)
	at org.eclipse.xtext.resource.OutdatedStateManager.exec(OutdatedStateManager.java:98)
	at org.eclipse.xtext.ui.editor.model.XtextDocument$XtextDocumentLocker.modify(XtextDocument.java:428)
	at org.eclipse.xtext.ui.editor.model.XtextDocument$XtextDocumentLocker.process(XtextDocument.java:337)
	at org.eclipse.xtext.ui.editor.reconciler.XtextReconciler$DocumentListener.performNecessaryUpdates(XtextReconciler.java:130)
	at org.eclipse.xtext.ui.editor.model.XtextDocument.updateContentBeforeRead(XtextDocument.java:249)
	at org.eclipse.xtext.ui.editor.model.XtextDocument$XtextDocumentLocker.internalReadOnly(XtextDocument.java:518)
	at org.eclipse.xtext.ui.editor.model.XtextDocument$XtextDocumentLocker.readOnly(XtextDocument.java:492)
	at org.eclipse.xtext.ui.editor.model.XtextDocument.readOnly(XtextDocument.java:133)
	at org.eclipse.xtext.ui.editor.syntaxcoloring.HighlightingReconciler$2.run(HighlightingReconciler.java:336)
	at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55)
Caused by: org.eclipse.xtext.resource.FileNotFoundOnClasspathException: Couldn't find resource on classpath. URI was 'classpath:/de.mdsd.xtext.support.utils/GenModel.npsm#|2'
	at org.eclipse.xtext.resource.ClassloaderClasspathUriResolver.findResourceOnClasspath(ClassloaderClasspathUriResolver.java:61)
	at org.eclipse.xtext.resource.ClassloaderClasspathUriResolver.resolve(ClassloaderClasspathUriResolver.java:46)
	... 101 more


I although have another plugin D that uses B and C without errors.

I checked the MANIFEST.INF files for missing dependencies but I could not find any.
All used resources are already saved to disk nothing in the parsing state.

What could be the reason for that behaviour.

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Re: Couldn't find resource on classpath. URI was 'classpath:/de.mdsd.xtext.support.utils/GenModel.np [message #1765515 is a reply to message #1765514] Sun, 11 June 2017 19:04 Go to previous messageGo to next message
Christian Dietrich is currently offline Christian DietrichFriend
Messages: 14735
Registered: July 2009
Senior Member
The uri you use looks strange to me. Where does it come from ?
Using dot inside a classpath is usually replaced by a slash.
And the name looks like a plugin name
But then you won't need it. So just classpath:/xxx.yyy

So can you give some more context

Twitter : @chrdietrich
Blog : https://www.dietrich-it.de
Day Job: https://www.everest-systems.com

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Re: Couldn't find resource on classpath. URI was 'classpath:/de.mdsd.xtext.support.utils/GenModel.np [message #1765721 is a reply to message #1765515] Tue, 13 June 2017 20:40 Go to previous messageGo to next message
Olaf Bigalk is currently offline Olaf BigalkFriend
Messages: 155
Registered: July 2009
Location: Berlin
Senior Member
Hi Christian,
I changed all my classpath uris and get now this error:
org.eclipse.xtext.resource.ClasspathUriResolutionException: org.eclipse.xtext.resource.FileNotFoundOnClasspathException: Couldn't find resource on classpath. URI was 'classpath:/de/mdsd/xtext/support/utils/GenModel.npsm#|2'
	at org.eclipse.xtext.resource.ClassloaderClasspathUriResolver.resolve(ClassloaderClasspathUriResolver.java:49)
	at org.eclipse.xtext.resource.XtextResourceSet.resolveClasspathURI(XtextResourceSet.java:221)
	at org.eclipse.xtext.resource.XtextResourceSet.access$0(XtextResourceSet.java:220)
	at org.eclipse.xtext.resource.XtextResourceSet$1.normalize(XtextResourceSet.java:284)
	at org.eclipse.xtext.resource.XtextResourceSet.getResource(XtextResourceSet.java:239)
	at de.mdsd.xtext.support.utils.EcoreUtils.resolve(EcoreUtils.java:122)
	at de.mdsd.xtext.support.utils.GeneratedGenModelQualifiedNameProviderSwitch.caseGenPackage(GeneratedGenModelQualifiedNameProviderSwitch.java:309)
	at de.mdsd.xtext.support.utils.GeneratedGenModelQualifiedNameProviderSwitch.caseGenPackage(GeneratedGenModelQualifiedNameProviderSwitch.java:1)
	at org.eclipse.emf.codegen.ecore.genmodel.util.GenModelSwitch.doSwitch(GenModelSwitch.java:93)
	at org.eclipse.emf.ecore.util.Switch.doSwitch(Switch.java:53)
	at org.eclipse.emf.ecore.util.Switch.doSwitch(Switch.java:69)
	at de.mdsd.xtext.support.utils.GeneratedGenModelQualifiedNameProviderSwitch.apply(GeneratedGenModelQualifiedNameProviderSwitch.java:51)
	at de.mdsd.xtext.support.utils.GeneratedGenModelQualifiedNameProvider.getFullyQualifiedName(GeneratedGenModelQualifiedNameProvider.java:78)
	at de.mdsd.xtext.support.utils.GeneratedGenModelQualifiedNameProvider.apply(GeneratedGenModelQualifiedNameProvider.java:99)
	at de.mdsd.xtext.support.utils.GeneratedGenModelQualifiedNameProvider.doApply(GeneratedGenModelQualifiedNameProvider.java:50)
	at de.mdsd.xtext.up.name.providerswitch.model.utils.GeneratedNameProviderSwitchModelQualifiedNameProviderSwitch.caseGrammarReference(GeneratedNameProviderSwitchModelQualifiedNameProviderSwitch.java:331)
	at de.mdsd.xtext.up.name.providerswitch.model.utils.GeneratedNameProviderSwitchModelQualifiedNameProviderSwitch.caseGrammarReference(GeneratedNameProviderSwitchModelQualifiedNameProviderSwitch.java:1)
	at de.mdsd.xtext.up.name.providerswitch.model.nameProviderSwitchModel.util.NameProviderSwitchModelSwitch.doSwitch(NameProviderSwitchModelSwitch.java:107)
	at org.eclipse.emf.ecore.util.Switch.doSwitch(Switch.java:53)
	at org.eclipse.emf.ecore.util.Switch.doSwitch(Switch.java:69)
	at de.mdsd.xtext.up.name.providerswitch.model.utils.GeneratedNameProviderSwitchModelProposalTextQualifiedNameProviderSwitch.caseNameProviderSwitchDefinition(GeneratedNameProviderSwitchModelProposalTextQualifiedNameProviderSwitch.java:129)
	at de.mdsd.xtext.up.name.providerswitch.model.utils.GeneratedNameProviderSwitchModelQualifiedNameProviderSwitch.caseNameProviderSwitchDefinition(GeneratedNameProviderSwitchModelQualifiedNameProviderSwitch.java:1)
	at de.mdsd.xtext.up.name.providerswitch.model.nameProviderSwitchModel.util.NameProviderSwitchModelSwitch.doSwitch(NameProviderSwitchModelSwitch.java:114)
	at org.eclipse.emf.ecore.util.Switch.doSwitch(Switch.java:53)
	at org.eclipse.emf.ecore.util.Switch.doSwitch(Switch.java:69)
	at de.mdsd.xtext.up.name.providerswitch.model.utils.GeneratedNameProviderSwitchModelProposalTextQualifiedNameProviderSwitch.apply(GeneratedNameProviderSwitchModelProposalTextQualifiedNameProviderSwitch.java:38)
	at de.mdsd.xtext.up.name.providerswitch.model.utils.GeneratedNameProviderSwitchModelProposalTextQualifiedNameProvider.getFullyQualifiedName(GeneratedNameProviderSwitchModelProposalTextQualifiedNameProvider.java:48)
	at de.mdsd.xtext.up.name.providerswitch.model.utils.GeneratedNameProviderSwitchModelProposalTextQualifiedNameProvider.getFullyQualifiedName(GeneratedNameProviderSwitchModelProposalTextQualifiedNameProvider.java:42)
	at de.mdsd.xtext.support.utils.XtextSupportScopeProviderUtils.makeEObjectListScope(XtextSupportScopeProviderUtils.java:60)
	at de.mdsd.xtext.up.name.providerswitch.model.scoping.GeneratedNameProviderSwitchModelDelegateScopeProvider.scope_FeatureReference_nameProvider(GeneratedNameProviderSwitchModelDelegateScopeProvider.java:120)
	at sun.reflect.GeneratedMethodAccessor144.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:498)
	at org.eclipse.xtext.util.PolymorphicDispatcher.invoke(PolymorphicDispatcher.java:296)
	at org.eclipse.xtext.scoping.impl.AbstractDeclarativeScopeProvider.polymorphicFindScopeForReferenceName(AbstractDeclarativeScopeProvider.java:152)
	at org.eclipse.xtext.scoping.impl.AbstractDeclarativeScopeProvider.getScope(AbstractDeclarativeScopeProvider.java:100)
	at org.eclipse.xtext.linking.impl.DefaultLinkingService.getScope(DefaultLinkingService.java:59)
	at org.eclipse.xtext.linking.impl.DefaultLinkingService.getLinkedObjects(DefaultLinkingService.java:119)
	at org.eclipse.xtext.linking.lazy.LazyLinkingResource.getEObject(LazyLinkingResource.java:247)
	at org.eclipse.xtext.linking.lazy.LazyLinkingResource.getEObject(LazyLinkingResource.java:222)
	at org.eclipse.emf.ecore.resource.impl.ResourceSetImpl.getEObject(ResourceSetImpl.java:223)
	at org.eclipse.emf.ecore.util.EcoreUtil.resolve(EcoreUtil.java:199)
	at org.eclipse.emf.ecore.util.EcoreUtil.resolve(EcoreUtil.java:259)
	at org.eclipse.emf.ecore.impl.BasicEObjectImpl.eResolveProxy(BasicEObjectImpl.java:1477)
	at de.mdsd.xtext.up.name.providerswitch.model.nameProviderSwitchModel.impl.FeatureReferenceImpl.getNameProvider(FeatureReferenceImpl.java:559)
	at de.mdsd.xtext.up.name.providerswitch.model.nameProviderSwitchModel.impl.FeatureReferenceImpl.eGet(FeatureReferenceImpl.java:648)
	at org.eclipse.emf.ecore.impl.BasicEObjectImpl.eGet(BasicEObjectImpl.java:1011)
	at org.eclipse.emf.ecore.impl.BasicEObjectImpl.eGet(BasicEObjectImpl.java:1003)
	at org.eclipse.emf.ecore.util.EContentsEList$FeatureIteratorImpl.hasNext(EContentsEList.java:439)
	at org.eclipse.emf.ecore.util.EContentsEList$FeatureIteratorImpl.next(EContentsEList.java:595)
	at org.eclipse.emf.ecore.util.EcoreUtil.resolveCrossReferences(EcoreUtil.java:304)
	at org.eclipse.emf.ecore.util.EcoreUtil.resolveAll(EcoreUtil.java:298)
	at org.eclipse.emf.ecore.util.EcoreUtil.resolveAll(EcoreUtil.java:283)
	at de.mdsd.xtext.up.name.providerswitch.model.utils.GeneratedNameProviderSwitchModelMakeImportedGenPackageListSwitch.caseImport(GeneratedNameProviderSwitchModelMakeImportedGenPackageListSwitch.java:115)
	at de.mdsd.xtext.up.name.providerswitch.model.utils.GeneratedNameProviderSwitchModelMakeImportedGenPackageListSwitch.caseImport(GeneratedNameProviderSwitchModelMakeImportedGenPackageListSwitch.java:1)
	at de.mdsd.xtext.up.name.providerswitch.model.nameProviderSwitchModel.util.NameProviderSwitchModelSwitch.doSwitch(NameProviderSwitchModelSwitch.java:330)
	at org.eclipse.emf.ecore.util.Switch.doSwitch(Switch.java:53)
	at org.eclipse.emf.ecore.util.Switch.doSwitch(Switch.java:69)
	at de.mdsd.xtext.up.name.providerswitch.model.utils.GeneratedNameProviderSwitchModelMakeImportedGenPackageListSwitch.caseNameProviderSwitchModel(GeneratedNameProviderSwitchModelMakeImportedGenPackageListSwitch.java:91)
	at de.mdsd.xtext.up.name.providerswitch.model.utils.GeneratedNameProviderSwitchModelMakeImportedGenPackageListSwitch.caseNameProviderSwitchModel(GeneratedNameProviderSwitchModelMakeImportedGenPackageListSwitch.java:1)
	at de.mdsd.xtext.up.name.providerswitch.model.nameProviderSwitchModel.util.NameProviderSwitchModelSwitch.doSwitch(NameProviderSwitchModelSwitch.java:78)
	at org.eclipse.emf.ecore.util.Switch.doSwitch(Switch.java:53)
	at org.eclipse.emf.ecore.util.Switch.doSwitch(Switch.java:69)
	at de.mdsd.xtext.up.name.providerswitch.model.utils.GeneratedNameProviderSwitchModelMakeImportedGenPackageListSwitch.caseNameProviderSwitchDefinition(GeneratedNameProviderSwitchModelMakeImportedGenPackageListSwitch.java:204)
	at de.mdsd.xtext.up.name.providerswitch.model.utils.GeneratedNameProviderSwitchModelMakeImportedGenPackageListSwitch.caseNameProviderSwitchDefinition(GeneratedNameProviderSwitchModelMakeImportedGenPackageListSwitch.java:1)
	at de.mdsd.xtext.up.name.providerswitch.model.nameProviderSwitchModel.util.NameProviderSwitchModelSwitch.doSwitch(NameProviderSwitchModelSwitch.java:114)
	at org.eclipse.emf.ecore.util.Switch.doSwitch(Switch.java:53)
	at org.eclipse.emf.ecore.util.Switch.doSwitch(Switch.java:69)
	at de.mdsd.xtext.up.name.providerswitch.model.utils.GeneratedNameProviderSwitchModelMakeImportedGenPackageListSwitch.caseGrammarReference(GeneratedNameProviderSwitchModelMakeImportedGenPackageListSwitch.java:176)
	at de.mdsd.xtext.up.name.providerswitch.model.utils.GeneratedNameProviderSwitchModelMakeImportedGenPackageListSwitch.caseGrammarReference(GeneratedNameProviderSwitchModelMakeImportedGenPackageListSwitch.java:1)
	at de.mdsd.xtext.up.name.providerswitch.model.nameProviderSwitchModel.util.NameProviderSwitchModelSwitch.doSwitch(NameProviderSwitchModelSwitch.java:107)
	at org.eclipse.emf.ecore.util.Switch.doSwitch(Switch.java:53)
	at org.eclipse.emf.ecore.util.Switch.doSwitch(Switch.java:69)
	at de.mdsd.xtext.up.name.providerswitch.model.utils.GeneratedNameProviderSwitchModelMakeImportedGenPackageListSwitch.apply(GeneratedNameProviderSwitchModelMakeImportedGenPackageListSwitch.java:43)
	at de.mdsd.xtext.up.name.providerswitch.model.scoping.GeneratedNameProviderSwitchModelDelegateScopeProvider.scope_GrammarReference_baseModel(GeneratedNameProviderSwitchModelDelegateScopeProvider.java:67)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:498)
	at org.eclipse.xtext.util.PolymorphicDispatcher.invoke(PolymorphicDispatcher.java:296)
	at org.eclipse.xtext.scoping.impl.AbstractDeclarativeScopeProvider.polymorphicFindScopeForReferenceName(AbstractDeclarativeScopeProvider.java:152)
	at org.eclipse.xtext.scoping.impl.AbstractDeclarativeScopeProvider.getScope(AbstractDeclarativeScopeProvider.java:100)
	at org.eclipse.xtext.linking.impl.DefaultLinkingService.getScope(DefaultLinkingService.java:59)
	at org.eclipse.xtext.linking.impl.DefaultLinkingService.getLinkedObjects(DefaultLinkingService.java:119)
	at org.eclipse.xtext.linking.lazy.LazyLinkingResource.getEObject(LazyLinkingResource.java:247)
	at org.eclipse.xtext.linking.lazy.LazyLinkingResource.getEObject(LazyLinkingResource.java:222)
	at org.eclipse.emf.ecore.resource.impl.ResourceSetImpl.getEObject(ResourceSetImpl.java:223)
	at org.eclipse.emf.ecore.util.EcoreUtil.resolve(EcoreUtil.java:199)
	at org.eclipse.emf.ecore.util.EcoreUtil.resolve(EcoreUtil.java:259)
	at org.eclipse.emf.ecore.impl.BasicEObjectImpl.eResolveProxy(BasicEObjectImpl.java:1477)
	at de.mdsd.xtext.up.name.providerswitch.model.nameProviderSwitchModel.impl.GrammarReferenceImpl.getBaseModel(GrammarReferenceImpl.java:130)
	at de.mdsd.xtext.up.name.providerswitch.model.nameProviderSwitchModel.impl.GrammarReferenceImpl.eGet(GrammarReferenceImpl.java:177)
	at org.eclipse.emf.ecore.impl.BasicEObjectImpl.eGet(BasicEObjectImpl.java:1011)
	at org.eclipse.emf.ecore.impl.BasicEObjectImpl.eGet(BasicEObjectImpl.java:1003)
	at org.eclipse.emf.ecore.util.EContentsEList$FeatureIteratorImpl.hasNext(EContentsEList.java:439)
	at org.eclipse.emf.ecore.util.EcoreUtil.resolveCrossReferences(EcoreUtil.java:304)
	at org.eclipse.emf.ecore.util.EcoreUtil.resolveAll(EcoreUtil.java:298)
	at org.eclipse.emf.ecore.util.EcoreUtil.resolveAll(EcoreUtil.java:283)
	at de.mdsd.xtext.support.proposal.provider.utils.GeneratedProposalProviderMakeImportedGenClassListSwitch.caseImport(GeneratedProposalProviderMakeImportedGenClassListSwitch.java:125)
	at de.mdsd.xtext.support.proposal.provider.utils.GeneratedProposalProviderMakeImportedGenClassListSwitch.caseImport(GeneratedProposalProviderMakeImportedGenClassListSwitch.java:1)
	at de.mdsd.xtext.support.proposal.provider.proposalProvider.util.ProposalProviderSwitch.doSwitch(ProposalProviderSwitch.java:239)
	at org.eclipse.emf.ecore.util.Switch.doSwitch(Switch.java:53)
	at org.eclipse.emf.ecore.util.Switch.doSwitch(Switch.java:69)
	at de.mdsd.xtext.support.proposal.provider.utils.GeneratedProposalProviderMakeImportedGenClassListSwitch.caseProposalProvider(GeneratedProposalProviderMakeImportedGenClassListSwitch.java:101)
	at de.mdsd.xtext.support.proposal.provider.utils.GeneratedProposalProviderMakeImportedGenClassListSwitch.caseProposalProvider(GeneratedProposalProviderMakeImportedGenClassListSwitch.java:1)
	at de.mdsd.xtext.support.proposal.provider.proposalProvider.util.ProposalProviderSwitch.doSwitch(ProposalProviderSwitch.java:78)
	at org.eclipse.emf.ecore.util.Switch.doSwitch(Switch.java:53)
	at org.eclipse.emf.ecore.util.Switch.doSwitch(Switch.java:69)
	at de.mdsd.xtext.support.proposal.provider.utils.GeneratedProposalProviderMakeImportedGenClassListSwitch.caseModelProposal(GeneratedProposalProviderMakeImportedGenClassListSwitch.java:158)
	at de.mdsd.xtext.support.proposal.provider.utils.GeneratedProposalProviderMakeImportedGenClassListSwitch.caseModelProposal(GeneratedProposalProviderMakeImportedGenClassListSwitch.java:1)
	at de.mdsd.xtext.support.proposal.provider.proposalProvider.util.ProposalProviderSwitch.doSwitch(ProposalProviderSwitch.java:85)
	at org.eclipse.emf.ecore.util.Switch.doSwitch(Switch.java:53)
	at org.eclipse.emf.ecore.util.Switch.doSwitch(Switch.java:69)
	at de.mdsd.xtext.support.proposal.provider.utils.GeneratedProposalProviderMakeImportedGenClassListSwitch.apply(GeneratedProposalProviderMakeImportedGenClassListSwitch.java:53)
	at de.mdsd.xtext.support.proposal.provider.scoping.GeneratedProposalProviderDelegateScopeProvider.scope_ModelProposal_modelClass(GeneratedProposalProviderDelegateScopeProvider.java:49)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:498)
	at org.eclipse.xtext.util.PolymorphicDispatcher.invoke(PolymorphicDispatcher.java:296)
	at org.eclipse.xtext.scoping.impl.AbstractDeclarativeScopeProvider.polymorphicFindScopeForReferenceName(AbstractDeclarativeScopeProvider.java:152)
	at org.eclipse.xtext.scoping.impl.AbstractDeclarativeScopeProvider.getScope(AbstractDeclarativeScopeProvider.java:100)
	at org.eclipse.xtext.linking.impl.DefaultLinkingService.getScope(DefaultLinkingService.java:59)
	at org.eclipse.xtext.linking.impl.DefaultLinkingService.getLinkedObjects(DefaultLinkingService.java:119)
	at org.eclipse.xtext.linking.lazy.LazyLinkingResource.getEObject(LazyLinkingResource.java:247)
	at org.eclipse.xtext.linking.lazy.LazyLinkingResource.getEObject(LazyLinkingResource.java:222)
	at org.eclipse.xtext.linking.lazy.LazyLinkingResource.doResolveLazyCrossReference(LazyLinkingResource.java:189)
	at org.eclipse.xtext.linking.lazy.LazyLinkingResource.resolveLazyCrossReference(LazyLinkingResource.java:148)
	at org.eclipse.xtext.linking.lazy.LazyLinkingResource.resolveLazyCrossReferences(LazyLinkingResource.java:134)
	at org.eclipse.xtext.EcoreUtil2.resolveLazyCrossReferences(EcoreUtil2.java:498)
	at org.eclipse.xtext.builder.clustering.ClusteringBuilderState.doUpdate(ClusteringBuilderState.java:230)
	at org.eclipse.xtext.builder.builderState.AbstractBuilderState.update(AbstractBuilderState.java:116)
	at org.eclipse.xtext.builder.impl.XtextBuilder.doBuild(XtextBuilder.java:287)
	at org.eclipse.xtext.builder.impl.XtextBuilder.fullBuild(XtextBuilder.java:319)
	at org.eclipse.xtext.builder.impl.XtextBuilder.build(XtextBuilder.java:155)
	at org.eclipse.core.internal.events.BuildManager$2.run(BuildManager.java:735)
	at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
	at org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:206)
	at org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:246)
	at org.eclipse.core.internal.events.BuildManager$1.run(BuildManager.java:301)
	at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
	at org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:304)
	at org.eclipse.core.internal.events.BuildManager.basicBuildLoop(BuildManager.java:360)
	at org.eclipse.core.internal.events.BuildManager.build(BuildManager.java:383)
	at org.eclipse.core.internal.events.AutoBuildJob.doBuild(AutoBuildJob.java:144)
	at org.eclipse.core.internal.events.AutoBuildJob.run(AutoBuildJob.java:235)
	at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55)
Caused by: org.eclipse.xtext.resource.FileNotFoundOnClasspathException: Couldn't find resource on classpath. URI was 'classpath:/de/mdsd/xtext/support/utils/GenModel.npsm#|2'
	at org.eclipse.xtext.resource.ClassloaderClasspathUriResolver.findResourceOnClasspath(ClassloaderClasspathUriResolver.java:61)
	at org.eclipse.xtext.resource.ClassloaderClasspathUriResolver.resolve(ClassloaderClasspathUriResolver.java:46)
	... 146 more


What context infos do you need ?

The DSL plugin that runs the DSL file has dependencies to 'npsm' plugin and the plugin containing the DSL file has the same dependencies to the 'npsm' plugin.
It seems to be a classpath issue but I don't know witch plugins classpath is improper.

Thank you

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Re: Couldn't find resource on classpath. URI was 'classpath:/de.mdsd.xtext.support.utils/GenModel.np [message #1765863 is a reply to message #1765721] Wed, 14 June 2017 04:11 Go to previous messageGo to next message
Christian Dietrich is currently offline Christian DietrichFriend
Messages: 14735
Registered: July 2009
Senior Member
Since I have NO idea what you are doing inside your plugins I can only guess.

Can you give some hints on the structure of the plugins and the model projects

Where ever is the model file
Where is the file that cannot be found
How do the projects relate to each other?

Did you try to debug the place of the error?
What instance is the classloader of
If it is a bundle classloader which bundle is that?
....

Twitter : @chrdietrich
Blog : https://www.dietrich-it.de
Day Job: https://www.everest-systems.com

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Re: Couldn't find resource on classpath. URI was 'classpath:/de.mdsd.xtext.support.utils/GenModel.np [message #1765864 is a reply to message #1765863] Wed, 14 June 2017 04:17 Go to previous messageGo to next message
Christian Dietrich is currently offline Christian DietrichFriend
Messages: 14735
Registered: July 2009
Senior Member
P.s. Eclipse sometimes does wired things so maybe it helps to delete the runtime workspace and recreate it.
And: if you introspective the classpath / library etc of the model project in package explorer can you see the file there?

Twitter : @chrdietrich
Blog : https://www.dietrich-it.de
Day Job: https://www.everest-systems.com

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Re: Couldn't find resource on classpath. URI was 'classpath:/de.mdsd.xtext.support.utils/GenModel.np [message #1765916 is a reply to message #1765864] Wed, 14 June 2017 13:18 Go to previous message
Olaf Bigalk is currently offline Olaf BigalkFriend
Messages: 155
Registered: July 2009
Location: Berlin
Senior Member
Thank you, this was the right answer. Recreating the runtime-workspace did the trick.

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