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Home » Modeling » TMF (Xtext) » Error in Generating Xtext Artifacts
Error in Generating Xtext Artifacts [message #1706368] Wed, 26 August 2015 10:12 Go to next message
Van Cam PHAM is currently offline Van Cam PHAMFriend
Messages: 13
Registered: July 2015
Junior Member
Hi everyone,

I've just used Xtext to create my DSL. I created an Xtext project as in the tutorial on the xtext eclipse site https://eclipse.org/Xtext/documentation/101_five_minutes.html . Everything is perfect but when I generate Xtext Artifacts from the xtext file, there are errors as below and I dont know how to deal with it. I'm completely new to creating language with xtext. Can any one suggest a solution to this problem? I'm using the latest version of Xtext on Luna Eclipse.

Thanks,

[ERROR]: GeneratorException: (Element: -UNKNOWN-; Reported by: Generator)
	 EvaluationException : No Definition org::eclipse::xtext::ui::generator::quickfix::QuickfixProviderFragment::generate(Boolean,Boolean,String) for org::eclipse::xtext::impl::GrammarImpl could be found!
	Internal error : element was null

	at org.eclipse.xpand2.XpandFacade.evaluate2(XpandFacade.java:59)
	at org.eclipse.xtext.generator.AbstractGeneratorFragment.generate(AbstractGeneratorFragment.java:49)
	at org.eclipse.xtext.generator.DefaultGeneratorFragment.generate(DefaultGeneratorFragment.java:167)
	at org.eclipse.xtext.generator.CompositeGeneratorFragment.generate(CompositeGeneratorFragment.java:163)
	at org.eclipse.xtext.generator.Generator.generate(Generator.java:555)
	at org.eclipse.xtext.generator.Generator.invokeInternal(Generator.java:172)
	at org.eclipse.emf.mwe.core.lib.AbstractWorkflowComponent.invoke(AbstractWorkflowComponent.java:126)
	at org.eclipse.emf.mwe.core.lib.Mwe2Bridge.invoke(Mwe2Bridge.java:34)
	at org.eclipse.emf.mwe.core.lib.AbstractWorkflowComponent.invoke(AbstractWorkflowComponent.java:201)
	at org.eclipse.emf.mwe2.runtime.workflow.AbstractCompositeWorkflowComponent.invoke(AbstractCompositeWorkflowComponent.java:35)
	at org.eclipse.emf.mwe2.runtime.workflow.Workflow.run(Workflow.java:19)
	at org.eclipse.emf.mwe2.launch.runtime.Mwe2Runner.run(Mwe2Runner.java:102)
	at org.eclipse.emf.mwe2.launch.runtime.Mwe2Runner.run(Mwe2Runner.java:62)
	at org.eclipse.emf.mwe2.launch.runtime.Mwe2Runner.run(Mwe2Runner.java:52)
	at org.eclipse.emf.mwe2.launch.runtime.Mwe2Launcher.run(Mwe2Launcher.java:78)
	at org.eclipse.emf.mwe2.launch.runtime.Mwe2Launcher.main(Mwe2Launcher.java:36)

[ERROR]: GeneratorException: (Element: -UNKNOWN-; Reported by: Generator)
	 EvaluationException : No Definition org::eclipse::xtext::ui::generator::contentAssist::JavaBasedContentAssistFragment::GenProposalProvider(String) for org::eclipse::xtext::impl::GrammarImpl could be found!
	Internal error : element was null

	at org.eclipse.xpand2.XpandFacade.evaluate2(XpandFacade.java:59)
	at org.eclipse.xtext.ui.generator.contentAssist.ContentAssistFragment.generate(ContentAssistFragment.java:184)
	at org.eclipse.xtext.generator.Xtend2GeneratorFragment.generate(Xtend2GeneratorFragment.java:75)
	at org.eclipse.xtext.generator.Xtend2GeneratorFragment.generate(Xtend2GeneratorFragment.java:68)
	at org.eclipse.xtext.generator.DefaultGeneratorFragment.generate(DefaultGeneratorFragment.java:167)
	at org.eclipse.xtext.generator.CompositeGeneratorFragment.generate(CompositeGeneratorFragment.java:163)
	at org.eclipse.xtext.generator.Generator.generate(Generator.java:555)
	at org.eclipse.xtext.generator.Generator.invokeInternal(Generator.java:172)
	at org.eclipse.emf.mwe.core.lib.AbstractWorkflowComponent.invoke(AbstractWorkflowComponent.java:126)
	at org.eclipse.emf.mwe.core.lib.Mwe2Bridge.invoke(Mwe2Bridge.java:34)
	at org.eclipse.emf.mwe.core.lib.AbstractWorkflowComponent.invoke(AbstractWorkflowComponent.java:201)
	at org.eclipse.emf.mwe2.runtime.workflow.AbstractCompositeWorkflowComponent.invoke(AbstractCompositeWorkflowComponent.java:35)
	at org.eclipse.emf.mwe2.runtime.workflow.Workflow.run(Workflow.java:19)
	at org.eclipse.emf.mwe2.launch.runtime.Mwe2Runner.run(Mwe2Runner.java:102)
	at org.eclipse.emf.mwe2.launch.runtime.Mwe2Runner.run(Mwe2Runner.java:62)
	at org.eclipse.emf.mwe2.launch.runtime.Mwe2Runner.run(Mwe2Runner.java:52)
	at org.eclipse.emf.mwe2.launch.runtime.Mwe2Launcher.run(Mwe2Launcher.java:78)
	at org.eclipse.emf.mwe2.launch.runtime.Mwe2Launcher.main(Mwe2Launcher.java:36)

[ERROR]: GeneratorException: (Element: -UNKNOWN-; Reported by: Generator)
	 EvaluationException : No Definition org::eclipse::xtext::generator::parser::antlr::XtextAntlrUiGeneratorFragment::generate(org::eclipse::xtext::generator::parser::antlr::AntlrOptions,Boolean,Boolean) for org::eclipse::xtext::impl::GrammarImpl could be found!
	Internal error : element was null

	at org.eclipse.xpand2.XpandFacade.evaluate2(XpandFacade.java:59)
	at org.eclipse.xtext.generator.AbstractGeneratorFragment.generate(AbstractGeneratorFragment.java:49)
	at org.eclipse.xtext.generator.parser.antlr.AbstractAntlrGeneratorFragment.generate(AbstractAntlrGeneratorFragment.java:106)
	at org.eclipse.xtext.generator.parser.antlr.XtextAntlrUiGeneratorFragment.generate(XtextAntlrUiGeneratorFragment.java:104)
	at org.eclipse.xtext.generator.DefaultGeneratorFragment.generate(DefaultGeneratorFragment.java:167)
	at org.eclipse.xtext.generator.CompositeGeneratorFragment.generate(CompositeGeneratorFragment.java:163)
	at org.eclipse.xtext.generator.Generator.generate(Generator.java:555)
	at org.eclipse.xtext.generator.Generator.invokeInternal(Generator.java:172)
	at org.eclipse.emf.mwe.core.lib.AbstractWorkflowComponent.invoke(AbstractWorkflowComponent.java:126)
	at org.eclipse.emf.mwe.core.lib.Mwe2Bridge.invoke(Mwe2Bridge.java:34)
	at org.eclipse.emf.mwe.core.lib.AbstractWorkflowComponent.invoke(AbstractWorkflowComponent.java:201)
	at org.eclipse.emf.mwe2.runtime.workflow.AbstractCompositeWorkflowComponent.invoke(AbstractCompositeWorkflowComponent.java:35)
	at org.eclipse.emf.mwe2.runtime.workflow.Workflow.run(Workflow.java:19)
	at org.eclipse.emf.mwe2.launch.runtime.Mwe2Runner.run(Mwe2Runner.java:102)
	at org.eclipse.emf.mwe2.launch.runtime.Mwe2Runner.run(Mwe2Runner.java:62)
	at org.eclipse.emf.mwe2.launch.runtime.Mwe2Runner.run(Mwe2Runner.java:52)
	at org.eclipse.emf.mwe2.launch.runtime.Mwe2Launcher.run(Mwe2Launcher.java:78)
	at org.eclipse.emf.mwe2.launch.runtime.Mwe2Launcher.main(Mwe2Launcher.java:36)

[ERROR]: GeneratorException: (Element: -UNKNOWN-; Reported by: Generator)
	 EvaluationException : No Definition org::eclipse::xtext::generator::junit::Junit4Fragment::generate(org::eclipse::xtext::generator::junit::Junit4Fragment) for org::eclipse::xtext::impl::GrammarImpl could be found!
	Internal error : element was null

	at org.eclipse.xpand2.XpandFacade.evaluate2(XpandFacade.java:59)
	at org.eclipse.xtext.generator.AbstractGeneratorFragment.generate(AbstractGeneratorFragment.java:49)
	at org.eclipse.xtext.generator.junit.Junit4Fragment.generate(Junit4Fragment.java:55)
	at org.eclipse.xtext.generator.DefaultGeneratorFragment.generate(DefaultGeneratorFragment.java:167)
	at org.eclipse.xtext.generator.CompositeGeneratorFragment.generate(CompositeGeneratorFragment.java:163)
	at org.eclipse.xtext.generator.Generator.generate(Generator.java:555)
	at org.eclipse.xtext.generator.Generator.invokeInternal(Generator.java:172)
	at org.eclipse.emf.mwe.core.lib.AbstractWorkflowComponent.invoke(AbstractWorkflowComponent.java:126)
	at org.eclipse.emf.mwe.core.lib.Mwe2Bridge.invoke(Mwe2Bridge.java:34)
	at org.eclipse.emf.mwe.core.lib.AbstractWorkflowComponent.invoke(AbstractWorkflowComponent.java:201)
	at org.eclipse.emf.mwe2.runtime.workflow.AbstractCompositeWorkflowComponent.invoke(AbstractCompositeWorkflowComponent.java:35)
	at org.eclipse.emf.mwe2.runtime.workflow.Workflow.run(Workflow.java:19)
	at org.eclipse.emf.mwe2.launch.runtime.Mwe2Runner.run(Mwe2Runner.java:102)
	at org.eclipse.emf.mwe2.launch.runtime.Mwe2Runner.run(Mwe2Runner.java:62)
	at org.eclipse.emf.mwe2.launch.runtime.Mwe2Runner.run(Mwe2Runner.java:52)
	at org.eclipse.emf.mwe2.launch.runtime.Mwe2Launcher.run(Mwe2Launcher.java:78)
	at org.eclipse.emf.mwe2.launch.runtime.Mwe2Launcher.main(Mwe2Launcher.java:36)

[ERROR]: GeneratorException: (Element: -UNKNOWN-; Reported by: Generator)
	 EvaluationException : No Definition org::eclipse::xtext::ui::generator::refactoring::RefactorElementNameFragment::generate for org::eclipse::xtext::impl::GrammarImpl could be found!
	Internal error : element was null

	at org.eclipse.xpand2.XpandFacade.evaluate2(XpandFacade.java:59)
	at org.eclipse.xtext.generator.AbstractGeneratorFragment.generate(AbstractGeneratorFragment.java:49)
	at org.eclipse.xtext.generator.DefaultGeneratorFragment.generate(DefaultGeneratorFragment.java:167)
	at org.eclipse.xtext.generator.CompositeGeneratorFragment.generate(CompositeGeneratorFragment.java:163)
	at org.eclipse.xtext.generator.Generator.generate(Generator.java:555)
	at org.eclipse.xtext.generator.Generator.invokeInternal(Generator.java:172)
	at org.eclipse.emf.mwe.core.lib.AbstractWorkflowComponent.invoke(AbstractWorkflowComponent.java:126)
	at org.eclipse.emf.mwe.core.lib.Mwe2Bridge.invoke(Mwe2Bridge.java:34)
	at org.eclipse.emf.mwe.core.lib.AbstractWorkflowComponent.invoke(AbstractWorkflowComponent.java:201)
	at org.eclipse.emf.mwe2.runtime.workflow.AbstractCompositeWorkflowComponent.invoke(AbstractCompositeWorkflowComponent.java:35)
	at org.eclipse.emf.mwe2.runtime.workflow.Workflow.run(Workflow.java:19)
	at org.eclipse.emf.mwe2.launch.runtime.Mwe2Runner.run(Mwe2Runner.java:102)
	at org.eclipse.emf.mwe2.launch.runtime.Mwe2Runner.run(Mwe2Runner.java:62)
	at org.eclipse.emf.mwe2.launch.runtime.Mwe2Runner.run(Mwe2Runner.java:52)
	at org.eclipse.emf.mwe2.launch.runtime.Mwe2Launcher.run(Mwe2Launcher.java:78)
	at org.eclipse.emf.mwe2.launch.runtime.Mwe2Launcher.main(Mwe2Launcher.java:36)

[ERROR]: GeneratorException: (Element: -UNKNOWN-; Reported by: Generator)
	 EvaluationException : No Definition org::eclipse::xtext::ui::generator::templates::CodetemplatesGeneratorFragment::generate(Boolean,Boolean) for org::eclipse::xtext::impl::GrammarImpl could be found!
	Internal error : element was null

	at org.eclipse.xpand2.XpandFacade.evaluate2(XpandFacade.java:59)
	at org.eclipse.xtext.generator.AbstractGeneratorFragment.generate(AbstractGeneratorFragment.java:49)
	at org.eclipse.xtext.generator.DefaultGeneratorFragment.generate(DefaultGeneratorFragment.java:167)
	at org.eclipse.xtext.generator.CompositeGeneratorFragment.generate(CompositeGeneratorFragment.java:163)
	at org.eclipse.xtext.generator.Generator.generate(Generator.java:555)
	at org.eclipse.xtext.generator.Generator.invokeInternal(Generator.java:172)
	at org.eclipse.emf.mwe.core.lib.AbstractWorkflowComponent.invoke(AbstractWorkflowComponent.java:126)
	at org.eclipse.emf.mwe.core.lib.Mwe2Bridge.invoke(Mwe2Bridge.java:34)
	at org.eclipse.emf.mwe.core.lib.AbstractWorkflowComponent.invoke(AbstractWorkflowComponent.java:201)
	at org.eclipse.emf.mwe2.runtime.workflow.AbstractCompositeWorkflowComponent.invoke(AbstractCompositeWorkflowComponent.java:35)
	at org.eclipse.emf.mwe2.runtime.workflow.Workflow.run(Workflow.java:19)
	at org.eclipse.emf.mwe2.launch.runtime.Mwe2Runner.run(Mwe2Runner.java:102)
	at org.eclipse.emf.mwe2.launch.runtime.Mwe2Runner.run(Mwe2Runner.java:62)
	at org.eclipse.emf.mwe2.launch.runtime.Mwe2Runner.run(Mwe2Runner.java:52)
	at org.eclipse.emf.mwe2.launch.runtime.Mwe2Launcher.run(Mwe2Launcher.java:78)
	at org.eclipse.emf.mwe2.launch.runtime.Mwe2Launcher.main(Mwe2Launcher.java:36)

[ERROR]: GeneratorException: (Element: -UNKNOWN-; Reported by: Generator)
	 EvaluationException : No Definition org::eclipse::xtext::ui::generator::compare::CompareFragment::generate(List) for org::eclipse::xtext::impl::GrammarImpl could be found!
	Internal error : element was null

	at org.eclipse.xpand2.XpandFacade.evaluate2(XpandFacade.java:59)
	at org.eclipse.xtext.generator.AbstractGeneratorFragment.generate(AbstractGeneratorFragment.java:49)
	at org.eclipse.xtext.ui.generator.compare.CompareFragment.generate(CompareFragment.java:32)
	at org.eclipse.xtext.generator.DefaultGeneratorFragment.generate(DefaultGeneratorFragment.java:167)
	at org.eclipse.xtext.generator.CompositeGeneratorFragment.generate(CompositeGeneratorFragment.java:163)
	at org.eclipse.xtext.generator.Generator.generate(Generator.java:555)
	at org.eclipse.xtext.generator.Generator.invokeInternal(Generator.java:172)
	at org.eclipse.emf.mwe.core.lib.AbstractWorkflowComponent.invoke(AbstractWorkflowComponent.java:126)
	at org.eclipse.emf.mwe.core.lib.Mwe2Bridge.invoke(Mwe2Bridge.java:34)
	at org.eclipse.emf.mwe.core.lib.AbstractWorkflowComponent.invoke(AbstractWorkflowComponent.java:201)
	at org.eclipse.emf.mwe2.runtime.workflow.AbstractCompositeWorkflowComponent.invoke(AbstractCompositeWorkflowComponent.java:35)
	at org.eclipse.emf.mwe2.runtime.workflow.Workflow.run(Workflow.java:19)
	at org.eclipse.emf.mwe2.launch.runtime.Mwe2Runner.run(Mwe2Runner.java:102)
	at org.eclipse.emf.mwe2.launch.runtime.Mwe2Runner.run(Mwe2Runner.java:62)
	at org.eclipse.emf.mwe2.launch.runtime.Mwe2Runner.run(Mwe2Runner.java:52)
	at org.eclipse.emf.mwe2.launch.runtime.Mwe2Launcher.run(Mwe2Launcher.java:78)
	at org.eclipse.emf.mwe2.launch.runtime.Mwe2Launcher.main(Mwe2Launcher.java:36)

java.lang.RuntimeException: Problems running workflow org.xtext.example.mydsl.GenerateMyDsl: 
[ERROR]: GeneratorException: (Element: -UNKNOWN-; Reported by: Generator)
	 EvaluationException : No Definition org::eclipse::xtext::ui::generator::ImplicitUiFragment::generate(List,Boolean) for org::eclipse::xtext::impl::GrammarImpl could be found!
	Internal error : element was null

	at org.eclipse.xpand2.XpandFacade.evaluate2(XpandFacade.java:59)
	at org.eclipse.xtext.generator.AbstractGeneratorFragment.generate(AbstractGeneratorFragment.java:49)
	at org.eclipse.xtext.generator.DefaultGeneratorFragment.generate(DefaultGeneratorFragment.java:167)
	at org.eclipse.xtext.generator.CompositeGeneratorFragment.generate(CompositeGeneratorFragment.java:163)
	at org.eclipse.xtext.generator.Generator.generate(Generator.java:555)
	at org.eclipse.xtext.generator.Generator.invokeInternal(Generator.java:172)
	at org.eclipse.emf.mwe.core.lib.AbstractWorkflowComponent.invoke(AbstractWorkflowComponent.java:126)
	at org.eclipse.emf.mwe.core.lib.Mwe2Bridge.invoke(Mwe2Bridge.java:34)
	at org.eclipse.emf.mwe.core.lib.AbstractWorkflowComponent.invoke(AbstractWorkflowComponent.java:201)
	at org.eclipse.emf.mwe2.runtime.workflow.AbstractCompositeWorkflowComponent.invoke(AbstractCompositeWorkflowComponent.java:35)
	at org.eclipse.emf.mwe2.runtime.workflow.Workflow.run(Workflow.java:19)
	at org.eclipse.emf.mwe2.launch.runtime.Mwe2Runner.run(Mwe2Runner.java:102)
	at org.eclipse.emf.mwe2.launch.runtime.Mwe2Runner.run(Mwe2Runner.java:62)
	at org.eclipse.emf.mwe2.launch.runtime.Mwe2Runner.run(Mwe2Runner.java:52)
	at org.eclipse.emf.mwe2.launch.runtime.Mwe2Launcher.run(Mwe2Launcher.java:78)
	at org.eclipse.emf.mwe2.launch.runtime.Mwe2Launcher.main(Mwe2Launcher.java:36)

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Re: Error in Generating Xtext Artifacts [message #1706380 is a reply to message #1706368] Wed, 26 August 2015 12:06 Go to previous message
Stefan Oehme is currently offline Stefan OehmeFriend
Messages: 159
Registered: April 2010
Location: Kiel
Senior Member
The full log output would be helpful. It looks like a broken installation of Xtext. Can you try with a fresh installation?

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