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Runtime instance error after upgrading to Juno + xtext 2.3 [message #904121]

Mon, 27 August 2012 16:11

Eclipse User

Upgraded my (previously working) project to juno + xtext 2.3 from helios/2.1. When I try to start a runtime instance I get the exception below. Any suggestions for rectifying appreciated.

Also any other pointers/gotchas for upgrading?

Thanks.
--

1 [Worker-1] ERROR org.eclipse.xtext.builder.builderState.EMFBasedPersister - Error while loading persistable builder state.
org.eclipse.emf.ecore.resource.Resource$IOWrappedException: Class 'IEObjectDescription' is not found or is abstract. (file:/Users/scoot/projects/xtext/runtime-Rosetta_test/.metadata/.plugins/org.eclipse.xtext.builder/builder.state, 4, 66)
at org.eclipse.emf.ecore.xmi.impl.XMLLoadImpl.handleErrors(XMLLoadImpl.java:77)
at org.eclipse.emf.ecore.xmi.impl.XMLLoadImpl.load(XMLLoadImpl.java:185)
at org.eclipse.emf.ecore.xmi.impl.XMLResourceImpl.doLoad(XMLResourceImpl.java:240)
at org.eclipse.emf.ecore.resource.impl.ResourceImpl.load(ResourceImpl.java:1505)
at org.eclipse.emf.ecore.resource.impl.ResourceImpl.load(ResourceImpl.java:1284)
at org.eclipse.xtext.builder.builderState.EMFBasedPersister.load(EMFBasedPersister.java:65)
at org.eclipse.xtext.builder.builderState.AbstractBuilderState.load(AbstractBuilderState.java:55)
at org.eclipse.xtext.builder.builderState.AbstractBuilderState.ensureLoaded(AbstractBuilderState.java:62)
at org.eclipse.xtext.builder.builderState.AbstractBuilderState.update(AbstractBuilderState.java:96)
at org.eclipse.xtext.builder.impl.XtextBuilder.doBuild(XtextBuilder.java:159)
at org.eclipse.xtext.builder.impl.XtextBuilder.incrementalBuild(XtextBuilder.java:141)
at org.eclipse.xtext.builder.impl.XtextBuilder.build(XtextBuilder.java:91)
at org.eclipse.core.internal.events.BuildManager$2.run(BuildManager.java:728)
at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
at org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:199)
at org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:239)
at org.eclipse.core.internal.events.BuildManager$1.run(BuildManager.java:292)
at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
at org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:295)
at org.eclipse.core.internal.events.BuildManager.basicBuildLoop(BuildManager.java:351)
at org.eclipse.core.internal.events.BuildManager.build(BuildManager.java:374)
at org.eclipse.core.internal.events.AutoBuildJob.doBuild(AutoBuildJob.java:143)
at org.eclipse.core.internal.events.AutoBuildJob.run(AutoBuildJob.java:241)
at org.eclipse.core.internal.jobs.Worker.run(Worker.java:54)
Caused by: org.eclipse.emf.ecore.xmi.ClassNotFoundException: Class 'IEObjectDescription' is not found or is abstract. (file:/Users/scoot/projects/xtext/runtime-Rosetta_test/.metadata/.plugins/org.eclipse.xtext.builder/builder.state, 4, 66)
at org.eclipse.emf.ecore.xmi.impl.XMLHandler.validateCreateObjectFromFactory(XMLHandler.java:2238)
at org.eclipse.emf.ecore.xmi.impl.XMLHandler.validateCreateObjectFromFactory(XMLHandler.java:2362)
at org.eclipse.emf.ecore.xmi.impl.XMLHandler.createObjectFromFeatureType(XMLHandler.java:2157)
at org.eclipse.emf.ecore.xmi.impl.XMLHandler.createObject(XMLHandler.java:2029)
at org.eclipse.emf.ecore.xmi.impl.XMIHandler.createObject(XMIHandler.java:128)
at org.eclipse.emf.ecore.xmi.impl.XMLHandler.handleFeature(XMLHandler.java:1834)
at org.eclipse.emf.ecore.xmi.impl.XMLHandler.processElement(XMLHandler.java:1017)
at org.eclipse.emf.ecore.xmi.impl.XMIHandler.processElement(XMIHandler.java:81)
at org.eclipse.emf.ecore.xmi.impl.XMLHandler.startElement(XMLHandler.java:995)
at org.eclipse.emf.ecore.xmi.impl.XMLHandler.startElement(XMLHandler.java:706)
at org.eclipse.emf.ecore.xmi.impl.XMIHandler.startElement(XMIHandler.java:163)
at com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.startElement(AbstractSAXParser.java:501)
at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.scanStartElement(XMLDocumentFragmentScannerImpl.java:1363)
at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl$FragmentContentDriver.next(XMLDocumentFragmentScannerImpl.java:2756)
at com.sun.org.apache.xerces.internal.impl.XMLDocumentScannerImpl.next(XMLDocumentScannerImpl.java:647)
at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.scanDocument(XMLDocumentFragmentScannerImpl.java:511)
at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(XML11Configuration.java:808)
at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(XML11Configuration.java:737)
at com.sun.org.apache.xerces.internal.parsers.XMLParser.parse(XMLParser.java:119)
at com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.parse(AbstractSAXParser.java:1205)
at com.sun.org.apache.xerces.internal.jaxp.SAXParserImpl$JAXPSAXParser.parse(SAXParserImpl.java:522)
at javax.xml.parsers.SAXParser.parse(SAXParser.java:395)
at org.eclipse.emf.ecore.xmi.impl.XMLLoadImpl.load(XMLLoadImpl.java:175)
... 22 more

[Updated on: Mon, 27 August 2012 16:39] by Moderator

Re: Runtime instance error after upgrading to Juno + xtext 2.3 [message #904128 is a reply to message #904121]

Mon, 27 August 2012 16:38

Eclipse User

Fixed. Clean build, re-launch after adding the following vm args back in to run config did it:

-XX:MaxPermSize=128m
-Xmx512m

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