There were a couple of emails from people having problems with classloaders in Eclipse. This seems to be in the same class. Check the archives.
Cezar > -----Original Message----- > From: Ronald Becher [mailto:[EMAIL PROTECTED] > Sent: Thursday, June 19, 2008 5:28 AM > To: user@xmlbeans.apache.org > Subject: NoClassDefFoundError in Eclipse Plugin IDE > > Hi Guys, > > I'm new to the list, so I'm waveing a first hello at everyone ... *wave* > :) > > I'm currently _trying_ to de-bug an Eclipse Plugin (not written by me) > and am running into some problems (stacktrace at the end) > > The code looks like this > > try { > > document= XMLTestSuiteDocument.Factory.newInstance(); > > } catch(Throwable e) { > > e.printStackTrace(); > > } > which leads me to an interface XMLTestSuiteDocument (extends > org.apache.xmlbeans.XmlObject) > > Inside I have this "public static final class" Factory, which (you > would've guessed it) contains the following method > > > public static org.bpelunit.framework.xml.suite.XMLTestSuiteDocument > newInstance() { > > XMLTestSuiteDocument t = > (org.bpelunit.framework.xml.suite.XMLTestSuiteDocument) > org.apache.xmlbeans.XmlBeans.getContextTypeLoader().newInstance( type, > null ); > > t=t; /* TODO for easier inspection, remove later */ > > return t;} > > "type" references this var in the XMLTestSuiteDocument interface > (containing the Factory). Although I'm not a total noob to Java, I have > to admit, that I am not familiar whith the way, this variable is > initialized ... but okay > > public static final org.apache.xmlbeans.SchemaType type = > (org.apache.xmlbeans.SchemaType) > > > org.apache.xmlbeans.XmlBeans.typeSystemForClassLoader(XMLTestSuiteDocument > .class.getClassLoader(), > "schemaorg_apache_xmlbeans.system.s21B6514B5535163199D3BCDDAA42EFA0").reso > lveHandle("testsuite8482doctype"); > > However, this call leads us to XmlBeans.getContextTypeLoader(). > Since the exceptions caught at this point do not match the one thrown, I > suspect this method itself not to be the problem. > It calls > > return (SchemaTypeLoader)_getContextTypeLoaderMethod.invoke(null, null); > and therefore > > private static Method buildGetContextTypeLoaderMethod() > > { > > return buildNoArgMethod( > "org.apache.xmlbeans.impl.schema.SchemaTypeLoaderImpl", > "getContextTypeLoader" ); > > } > leading us to > > private static final Method buildNoArgMethod ( String className, String > methodName ) > > { > > return buildMethod( className, methodName, new Class[ 0 ] ); > > } > and finally to > > private static final Method buildMethod ( String className, String > methodName, Class[] args ) > > /* in XMLBeans.java:170 */ > > I do not fully understand the architecture of the call in the try-block, > but suspect that also at this point the problem is somewhere else, > because buildMethod() throws an IllegalStateException, which I do not > get ... *hrmpf* > > I have compiled XMLBeans from the source on commandline according to the > instructions, and until this point everything seemed to work also ... > I've put XMLBeans into Eclipse as a new project for convenient browsing > and debugging and stuff. > > Anyone has any idea or experienced similar problems? > Am I perhaps per any chance missing some dependency in or outside > XMLBeans? > > Thanks in advance, > Ronald > > > The halfway full stacktrace would read like this: > > java.lang.NoClassDefFoundError > > at org.apache.xmlbeans.XmlBeans.class$(XmlBeans.java:43) > > at org.apache.xmlbeans.XmlBeans.buildNodeMethod(XmlBeans.java:195) > > at > org.apache.xmlbeans.XmlBeans.buildNodeToCursorMethod(XmlBeans.java:232) > > at org.apache.xmlbeans.XmlBeans.<clinit>(XmlBeans.java:131) > > at > org.bpelunit.framework.xml.suite.XMLTestSuiteDocument$Factory.newInstance( > XMLTestSuiteDocument.java:45) > > at > org.bpelunit.toolsupport.wizards.BPELUnitNewWizard.performFinish(BPELUnitN > ewWizard.java:80) > > at > org.eclipse.jface.wizard.WizardDialog.finishPressed(WizardDialog.java:742) > > at > org.eclipse.jface.wizard.WizardDialog.buttonPressed(WizardDialog.java:373) > > at > org.eclipse.jface.dialogs.Dialog$2.widgetSelected(Dialog.java:618) > > at > org.eclipse.swt.widgets.TypedListener.handleEvent(TypedListener.java:227) > > at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:66) > > at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:938) > > at > org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:3682) > > at > org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3293) > > at org.eclipse.jface.window.Window.runEventLoop(Window.java:820) > > at org.eclipse.jface.window.Window.open(Window.java:796) > > at > org.eclipse.ui.actions.NewWizardAction.run(NewWizardAction.java:182) > > at org.eclipse.jface.action.Action.runWithEvent(Action.java:498) > > at > org.eclipse.jface.action.ActionContributionItem.handleWidgetSelection(Acti > onContributionItem.java:546) > > at > org.eclipse.jface.action.ActionContributionItem.access$2(ActionContributio > nItem.java:490) > > at > org.eclipse.jface.action.ActionContributionItem$5.handleEvent(ActionContri > butionItem.java:402) > > at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:66) > > at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:938) > > at > org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:3682) > > at > org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3293) > > at > org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java:2389) > > at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:2353) > > at org.eclipse.ui.internal.Workbench.access$4(Workbench.java:2219) > > at org.eclipse.ui.internal.Workbench$4.run(Workbench.java:466) > > at > org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:28 > 9) > > at > org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:461 > ) > > at > org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:149) > > at > org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplicatio > n.java:106) > > at > org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.jav > a:169) > > at > org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplicatio > n(EclipseAppLauncher.java:106) > > at > org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(Eclipse > AppLauncher.java:76) > > at > org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:36 > 3) > > at > org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:17 > 6) > > at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) > > at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) > > at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) > > at java.lang.reflect.Method.invoke(Unknown Source) > > at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:508) > > at org.eclipse.equinox.launcher.Main.basicRun(Main.java:447) > > at org.eclipse.equinox.launcher.Main.run(Main.java:1173) > > at org.eclipse.equinox.launcher.Main.main(Main.java:1148) > > Caused by: java.lang.ClassNotFoundException: org.w3c.dom.Node > > at > org.eclipse.osgi.framework.internal.core.BundleLoader.findClassInternal(Bu > ndleLoader.java:434) > > at > org.eclipse.osgi.framework.internal.core.BundleLoader.findClass(BundleLoad > er.java:369) > > at > org.eclipse.osgi.framework.internal.core.BundleLoader.findClass(BundleLoad > er.java:357) > > at > org.eclipse.osgi.internal.baseadaptor.DefaultClassLoader.loadClass(Default > ClassLoader.java:83) > > at java.lang.ClassLoader.loadClass(Unknown Source) > > at java.lang.ClassLoader.loadClassInternal(Unknown Source) > > at java.lang.Class.forName0(Native Method) > > at java.lang.Class.forName(Unknown Source) > > ... 46 more > > --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
