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When I attempt to open several views (Working Memory, Agenda, Global, etc) within an JBoss Rules enabled Eclipse, I receive the following error:<BR>
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java.lang.NoClassDefFoundError: org/eclipse/debug/internal/ui/contexts/provisional/IDebugContextListener<BR>
        at java.lang.ClassLoader.defineClass1(Native Method)<BR>
        at java.lang.ClassLoader.defineClass(ClassLoader.java:620)<BR>
        at org.eclipse.osgi.internal.baseadaptor.DefaultClassLoader.defineClass(DefaultClassLoader.java:161)<BR>
        at org.eclipse.osgi.baseadaptor.loader.ClasspathManager.defineClass(ClasspathManager.java:501)<BR>
        at org.eclipse.osgi.baseadaptor.loader.ClasspathManager.findClassImpl(ClasspathManager.java:471)<BR>
        at org.eclipse.osgi.baseadaptor.loader.ClasspathManager.findLocalClassImpl(ClasspathManager.java:430)<BR>
        at org.eclipse.osgi.baseadaptor.loader.ClasspathManager.findLocalClass(ClasspathManager.java:413)<BR>
        at org.eclipse.osgi.internal.baseadaptor.DefaultClassLoader.findLocalClass(DefaultClassLoader.java:189)<BR>
        at org.eclipse.osgi.framework.internal.core.BundleLoader.findLocalClass(BundleLoader.java:340)<BR>
        at org.eclipse.osgi.framework.internal.core.BundleLoader.findClassInternal(BundleLoader.java:408)<BR>
        at org.eclipse.osgi.framework.internal.core.BundleLoader.findClass(BundleLoader.java:369)<BR>
        at org.eclipse.osgi.framework.internal.core.BundleLoader.findClass(BundleLoader.java:357)<BR>
        at org.eclipse.osgi.internal.baseadaptor.DefaultClassLoader.loadClass(DefaultClassLoader.java:83)<BR>
        at java.lang.ClassLoader.loadClass(ClassLoader.java:251)<BR>
        at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:319)<BR>
        at java.lang.ClassLoader.defineClass1(Native Method)<BR>
        at java.lang.ClassLoader.defineClass(ClassLoader.java:620)<BR>
        at org.eclipse.osgi.internal.baseadaptor.DefaultClassLoader.defineClass(DefaultClassLoader.java:161)<BR>
        at org.eclipse.osgi.baseadaptor.loader.ClasspathManager.defineClass(ClasspathManager.java:501)<BR>
        at org.eclipse.osgi.baseadaptor.loader.ClasspathManager.findClassImpl(ClasspathManager.java:471)<BR>
        at org.eclipse.osgi.baseadaptor.loader.ClasspathManager.findLocalClassImpl(ClasspathManager.java:430)<BR>
        at org.eclipse.osgi.baseadaptor.loader.ClasspathManager.findLocalClass(ClasspathManager.java:413)<BR>
        at org.eclipse.osgi.internal.baseadaptor.DefaultClassLoader.findLocalClass(DefaultClassLoader.java:189)<BR>
        at org.eclipse.osgi.framework.internal.core.BundleLoader.findLocalClass(BundleLoader.java:340)<BR>
        at org.eclipse.osgi.framework.internal.core.BundleLoader.findClassInternal(BundleLoader.java:408)<BR>
        at org.eclipse.osgi.framework.internal.core.BundleLoader.findClass(BundleLoader.java:369)<BR>
        at org.eclipse.osgi.framework.internal.core.BundleLoader.findClass(BundleLoader.java:357)<BR>
        at org.eclipse.osgi.internal.baseadaptor.DefaultClassLoader.loadClass(DefaultClassLoader.java:83)<BR>
        at java.lang.ClassLoader.loadClass(ClassLoader.java:251)<BR>
        at org.eclipse.osgi.framework.internal.core.BundleLoader.loadClass(BundleLoader.java:289)<BR>
        at org.eclipse.osgi.framework.internal.core.BundleHost.loadClass(BundleHost.java:227)<BR>
        at org.eclipse.osgi.framework.internal.core.AbstractBundle.loadClass(AbstractBundle.java:1269)<BR>
        at org.eclipse.core.internal.registry.osgi.RegistryStrategyOSGI.createExecutableExtension(RegistryStrategyOSGI.java:160)<BR>
        at org.eclipse.core.internal.registry.ExtensionRegistry.createExecutableExtension(ExtensionRegistry.java:788)<BR>
        at org.eclipse.core.internal.registry.ConfigurationElement.createExecutableExtension(ConfigurationElement.java:243)<BR>
        at org.eclipse.core.internal.registry.ConfigurationElementHandle.createExecutableExtension(ConfigurationElementHandle.java:51)<BR>
        at org.eclipse.ui.internal.WorkbenchPlugin.createExtension(WorkbenchPlugin.java:235)<BR>
        at org.eclipse.ui.internal.registry.ViewDescriptor.createView(ViewDescriptor.java:69)<BR>
        at org.eclipse.ui.internal.ViewReference.createPartHelper(ViewReference.java:327)<BR>
        at org.eclipse.ui.internal.ViewReference.createPart(ViewReference.java:227)<BR>
        at org.eclipse.ui.internal.WorkbenchPartReference.getPart(WorkbenchPartReference.java:592)<BR>
        at org.eclipse.ui.internal.Perspective.showView(Perspective.java:2077)<BR>
        at org.eclipse.ui.internal.WorkbenchPage.busyShowView(WorkbenchPage.java:1018)<BR>
        at org.eclipse.ui.internal.WorkbenchPage.access$18(WorkbenchPage.java:999)<BR>
        at org.eclipse.ui.internal.WorkbenchPage$19.run(WorkbenchPage.java:3666)<BR>
        at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:67)<BR>
        at org.eclipse.ui.internal.WorkbenchPage.showView(WorkbenchPage.java:3663)<BR>
        at org.eclipse.ui.internal.WorkbenchPage.showView(WorkbenchPage.java:3639)<BR>
        at org.eclipse.ui.handlers.ShowViewHandler.openView(ShowViewHandler.java:165)<BR>
        at org.eclipse.ui.handlers.ShowViewHandler.openOther(ShowViewHandler.java:109)<BR>
        at org.eclipse.ui.handlers.ShowViewHandler.execute(ShowViewHandler.java:77)<BR>
        at org.eclipse.ui.internal.handlers.HandlerProxy.execute(HandlerProxy.java:239)<BR>
        at org.eclipse.core.commands.Command.executeWithChecks(Command.java:475)<BR>
        at org.eclipse.core.commands.ParameterizedCommand.executeWithChecks(ParameterizedCommand.java:429)<BR>
        at org.eclipse.ui.internal.handlers.HandlerService.executeCommand(HandlerService.java:165)<BR>
        at org.eclipse.ui.internal.handlers.SlaveHandlerService.executeCommand(SlaveHandlerService.java:247)<BR>
        at org.eclipse.ui.internal.ShowViewMenu$3.run(ShowViewMenu.java:128)<BR>
        at org.eclipse.jface.action.Action.runWithEvent(Action.java:498)<BR>
        at org.eclipse.jface.action.ActionContributionItem.handleWidgetSelection(ActionContributionItem.java:545)<BR>
        at org.eclipse.jface.action.ActionContributionItem.access$2(ActionContributionItem.java:490)<BR>
        at org.eclipse.jface.action.ActionContributionItem$5.handleEvent(ActionContributionItem.java:402)<BR>
        at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:66)<BR>
        at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1101)<BR>
        at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:3319)<BR>
        at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:2971)<BR>
        at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java:2389)<BR>
        at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:2353)<BR>
        at org.eclipse.ui.internal.Workbench.access$4(Workbench.java:2219)<BR>
        at org.eclipse.ui.internal.Workbench$4.run(Workbench.java:466)<BR>
        at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:289)<BR>
        at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:461)<BR>
        at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:149)<BR>
        at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:106)<BR>
        at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:153)<BR>
        at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:106)<BR>
        at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:76)<BR>
        at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:363)<BR>
        at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:176)<BR>
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)<BR>
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)<BR>
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)<BR>
        at java.lang.reflect.Method.invoke(Method.java:585)<BR>
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Anyone know what's going on?&nbsp; I'm running the IDE feature version 4.0.0.12865MR3, Eclipse 3.3, Sun JDK 1.5.0_12 on Fedora 7.<BR>
<BR>
Thanks,<BR>
Eric
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