[rules-users] Eclipse tools ClassNotFoundException

paulB paul.borlin at sironahealth.com
Mon Nov 29 10:26:05 EST 2010 

Hi,

I just updated the tooling in Eclipse from 5.0 to 5.1.1.  Now, anytime I try
to create a Flow, I get the following exception:

java.lang.NoClassDefFoundError: org/drools/xml/ProcessBuildData
	at org.drools.bpmn2.xml.ProcessHandler.start(ProcessHandler.java:84)
	at
org.drools.xml.ExtensibleXmlParser.startElement(ExtensibleXmlParser.java:384)
	at
com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.startElement(AbstractSAXParser.java:501)
	at
com.sun.org.apache.xerces.internal.impl.xs.XMLSchemaValidator.startElement(XMLSchemaValidator.java:688)
	at
com.sun.org.apache.xerces.internal.impl.XMLNSDocumentScannerImpl.scanStartElement(XMLNSDocumentScannerImpl.java:400)
	at
com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl$FragmentContentDriver.next(XMLDocumentFragmentScannerImpl.java:2747)
	at
com.sun.org.apache.xerces.internal.impl.XMLDocumentScannerImpl.next(XMLDocumentScannerImpl.java:648)
	at
com.sun.org.apache.xerces.internal.impl.XMLNSDocumentScannerImpl.next(XMLNSDocumentScannerImpl.java:140)
	at
com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.scanDocument(XMLDocumentFragmentScannerImpl.java:510)
	at
com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(XML11Configuration.java:807)
	at
com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(XML11Configuration.java:737)
	at
com.sun.org.apache.xerces.internal.parsers.XMLParser.parse(XMLParser.java:107)
	at
com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.parse(AbstractSAXParser.java:1205)
	at
com.sun.org.apache.xerces.internal.jaxp.SAXParserImpl$JAXPSAXParser.parse(SAXParserImpl.java:522)
	at javax.xml.parsers.SAXParser.parse(SAXParser.java:395)
	at org.drools.xml.ExtensibleXmlParser.read(ExtensibleXmlParser.java:295)
	at org.drools.xml.ExtensibleXmlParser.read(ExtensibleXmlParser.java:174)
	at org.drools.compiler.xml.XmlProcessReader.read(XmlProcessReader.java:44)
	at
org.drools.eclipse.flow.bpmn2.editor.BPMNModelEditor.createModel(BPMNModelEditor.java:190)
	at
org.drools.eclipse.flow.common.editor.GenericModelEditor.setInput(GenericModelEditor.java:285)
	at
org.drools.eclipse.flow.bpmn2.editor.BPMNModelEditor.setInput(BPMNModelEditor.java:93)
	at org.eclipse.gef.ui.parts.GraphicalEditor.init(GraphicalEditor.java:318)
	at org.eclipse.ui.internal.EditorManager.createSite(EditorManager.java:798)
	at
org.eclipse.ui.internal.EditorReference.createPartHelper(EditorReference.java:644)
	at
org.eclipse.ui.internal.EditorReference.createPart(EditorReference.java:462)
	at
org.eclipse.ui.internal.WorkbenchPartReference.getPart(WorkbenchPartReference.java:595)
	at
org.eclipse.ui.internal.EditorReference.getEditor(EditorReference.java:286)
	at
org.eclipse.ui.internal.WorkbenchPage.busyOpenEditorBatched(WorkbenchPage.java:2857)
	at
org.eclipse.ui.internal.WorkbenchPage.busyOpenEditor(WorkbenchPage.java:2762)
	at org.eclipse.ui.internal.WorkbenchPage.access$11(WorkbenchPage.java:2754)
	at org.eclipse.ui.internal.WorkbenchPage$10.run(WorkbenchPage.java:2705)
	at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:70)
	at
org.eclipse.ui.internal.WorkbenchPage.openEditor(WorkbenchPage.java:2701)
	at
org.eclipse.ui.internal.WorkbenchPage.openEditor(WorkbenchPage.java:2685)
	at
org.eclipse.ui.internal.WorkbenchPage.openEditor(WorkbenchPage.java:2676)
	at org.eclipse.ui.ide.IDE.openEditor(IDE.java:651)
	at org.eclipse.ui.ide.IDE.openEditor(IDE.java:610)
	at
org.drools.eclipse.flow.ruleflow.NewRuleFlowFilePage.finish(NewRuleFlowFilePage.java:72)
	at
org.drools.eclipse.flow.ruleflow.NewRuleFlowFileWizard.performFinish(NewRuleFlowFileWizard.java:50)
	at
org.eclipse.jface.wizard.WizardDialog.finishPressed(WizardDialog.java:752)
	at
org.eclipse.jface.wizard.WizardDialog.buttonPressed(WizardDialog.java:373)
	at org.eclipse.jface.dialogs.Dialog$2.widgetSelected(Dialog.java:624)
	at
org.eclipse.swt.widgets.TypedListener.handleEvent(TypedListener.java:228)
	at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84)
	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1003)
	at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:3910)
	at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3503)
	at org.eclipse.jface.window.Window.runEventLoop(Window.java:825)
	at org.eclipse.jface.window.Window.open(Window.java:801)
	at
org.eclipse.ui.internal.actions.NewWizardShortcutAction.run(NewWizardShortcutAction.java:135)
	at org.eclipse.jface.action.Action.runWithEvent(Action.java:498)
	at
org.eclipse.jface.action.ActionContributionItem.handleWidgetSelection(ActionContributionItem.java:584)
	at
org.eclipse.jface.action.ActionContributionItem.access$2(ActionContributionItem.java:501)
	at
org.eclipse.jface.action.ActionContributionItem$5.handleEvent(ActionContributionItem.java:411)
	at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84)
	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1003)
	at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:3910)
	at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3503)
	at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java:2405)
	at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:2369)
	at org.eclipse.ui.internal.Workbench.access$4(Workbench.java:2221)
	at org.eclipse.ui.internal.Workbench$5.run(Workbench.java:500)
	at
org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332)
	at
org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:493)
	at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:149)
	at
org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:113)
	at
org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:194)
	at
org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:110)
	at
org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:79)
	at
org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:368)
	at
org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:179)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
	at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
	at java.lang.reflect.Method.invoke(Method.java:597)
	at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:559)
	at org.eclipse.equinox.launcher.Main.basicRun(Main.java:514)
	at org.eclipse.equinox.launcher.Main.run(Main.java:1311)
Caused by: java.lang.ClassNotFoundException: org.drools.xml.ProcessBuildData
	at
org.eclipse.osgi.internal.loader.BundleLoader.findClassInternal(BundleLoader.java:494)
	at
org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:410)
	at
org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:398)
	at
org.eclipse.osgi.internal.baseadaptor.DefaultClassLoader.loadClass(DefaultClassLoader.java:105)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:252)
	at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:320)
	... 78 more


I made sure that the Drools Runtime is pointing to v5.1.1 jars.  Any other
thoughts?

Thanks!
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