| NullPointerException during code-generation from UML Profile [message #1438301] |
Sun, 05 October 2014 17:47  |
Eclipse User |
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Hi,
In Eclipse UPR we are trying to create static profile implementations of standardized UML profiles. When working on the BPMN profile a NullPointerException occurred during generation of EMF classes from the Profile. I will post a stack trace (using Luna SR 1) below. When debugging the problem I didn't immediately understand the root cause of the exception. But I can make the generation work when changing the variable "handlerURI" class XMLResourceImpl after line 302 to a non-null URI by using debugging tools. The actual class during runtime is EcoreResourceFactoryImpl$1. I will add an attachment with the profile in question. I would like to know if there is something fundamentally wrong with the model or if this is a bug in EMF. If something is wrong with the model, a different error message may be helpful.
Thank you very much,
Max
Here is the stack trace:
java.lang.NullPointerException
at org.eclipse.emf.codegen.ecore.genmodel.generator.GenPackageGeneratorAdapter$3.redirect(GenPackageGeneratorAdapter.java:483)
at org.eclipse.emf.codegen.ecore.genmodel.generator.GenPackageGeneratorAdapter$3.setBaseURI(GenPackageGeneratorAdapter.java:534)
at org.eclipse.emf.ecore.xmi.impl.XMLResourceImpl.doSave(XMLResourceImpl.java:401)
at org.eclipse.emf.ecore.resource.impl.ResourceImpl.save(ResourceImpl.java:1430)
at org.eclipse.emf.ecore.resource.impl.ResourceImpl.saveOnlyIfChangedWithMemoryBuffer(ResourceImpl.java:1144)
at org.eclipse.emf.ecore.resource.impl.ResourceImpl.save(ResourceImpl.java:985)
at org.eclipse.emf.codegen.ecore.genmodel.generator.GenPackageGeneratorAdapter.generatePackageSerialization(GenPackageGeneratorAdapter.java:544)
at org.eclipse.emf.codegen.ecore.genmodel.generator.GenPackageGeneratorAdapter.generateModel(GenPackageGeneratorAdapter.java:213)
at org.eclipse.emf.codegen.ecore.genmodel.generator.GenBaseGeneratorAdapter.doGenerate(GenBaseGeneratorAdapter.java:215)
at org.eclipse.emf.codegen.ecore.generator.AbstractGeneratorAdapter.generate(AbstractGeneratorAdapter.java:317)
at org.eclipse.emf.codegen.ecore.generator.Generator.generate(Generator.java:708)
at org.eclipse.emf.codegen.ecore.genmodel.presentation.GeneratorUIUtil$GeneratorOperation.execute(GeneratorUIUtil.java:178)
at org.eclipse.ui.actions.WorkspaceModifyOperation$1.run(WorkspaceModifyOperation.java:106)
at org.eclipse.core.internal.resources.Workspace.run(Workspace.java:2313)
at org.eclipse.ui.actions.WorkspaceModifyOperation.run(WorkspaceModifyOperation.java:118)
at org.eclipse.jface.operation.ModalContext$ModalContextThread.run(ModalContext.java:122)
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