I upgraded this AM to 2.3, and have not been able to launch the designer since. I went as far a reinstalling helios-SR2 and reinstalling the latest versions of the plugin and designer. I get this message even with a brand new out of the box web app. I've searched around and can't find any references. Woe is me... Any help would be really appreciated! Thanks, Joe
Internal Error
GWT Designer encountered unexpected internal error.
This could be caused by a GWT Designer bug or by a misconfiguration issue, conflict, partial update, etc.
Stack trace:
java.lang.NullPointerException at java.io.File.<init>(Unknown Source) at com.google.gdt.eclipse.designer.hosted.tdt.HostedModeSupport.getSharedClassLoader(HostedModeSupport.java:225) at com.google.gdt.eclipse.designer.hosted.tdt.HostedModeSupport.createClassLoaders(HostedModeSupport.java:117) at com.google.gdt.eclipse.designer.hosted.tdt.HostedModeSupport.<init>(HostedModeSupport.java:66) at com.google.gdt.eclipse.designer.hosted.tdt.HostedModeSupportFactory.create(HostedModeSupportFactory.java:19) at com.google.gdt.eclipse.designer.model.widgets.support.GwtState.getHostedModeSupport(GwtState.java:1188) at com.google.gdt.eclipse.designer.model.widgets.support.GwtState.initialize0(GwtState.java:234) at com.google.gdt.eclipse.designer.model.widgets.support.GwtState.initialize(GwtState.java:210) at com.google.gdt.eclipse.designer.parser.ParseFactory.getClassLoader(ParseFactory.java:403) at org.eclipse.wb.internal.core.parser.AbstractParseFactory.initializeClassLoader(AbstractParseFactory.java:732) at com.google.gdt.eclipse.designer.parser.ParseFactory.getRootContext(ParseFactory.java:103) at org.eclipse.wb.internal.core.parser.JavaInfoParser.prepareParseContext(JavaInfoParser.java:1185) at org.eclipse.wb.internal.core.parser.JavaInfoParser.parse(JavaInfoParser.java:244) at org.eclipse.wb.internal.core.parser.JavaInfoParser.access$9(JavaInfoParser.java:240) at org.eclipse.wb.internal.core.parser.JavaInfoParser$1.runObject(JavaInfoParser.java:153) at org.eclipse.wb.internal.core.parser.JavaInfoParser$1.runObject(JavaInfoParser.java:1) at org.eclipse.wb.internal.core.utils.execution.ExecutionUtils.runDesignTime(ExecutionUtils.java:153) at org.eclipse.wb.internal.core.parser.JavaInfoParser.parse(JavaInfoParser.java:151) at org.eclipse.wb.internal.core.editor.DesignPage.internal_refreshGEF(DesignPage.java:463) at org.eclipse.wb.internal.core.editor.DesignPage.access$9(DesignPage.java:455) at org.eclipse.wb.internal.core.editor.DesignPage$7$1.run(DesignPage.java:388) at org.eclipse.swt.widgets.Synchronizer.syncExec(Synchronizer.java:179) at org.eclipse.ui.internal.UISynchronizer.syncExec(UISynchronizer.java:150) at org.eclipse.swt.widgets.Display.syncExec(Display.java:4584) at org.eclipse.wb.internal.core.editor.DesignPage$7.run(DesignPage.java:385) at org.eclipse.jface.operation.ModalContext.runInCurrentThread(ModalContext.java:464) at org.eclipse.jface.operation.ModalContext.run(ModalContext.java:372) at org.eclipse.jface.dialogs.ProgressMonitorDialog.run(ProgressMonitorDialog.java:507) at org.eclipse.wb.internal.core.editor.DesignPage.internal_refreshGEF_withProgress(DesignPage.java:404) at org.eclipse.wb.internal.core.editor.DesignPage.internal_refreshGEF(DesignPage.java:354) at org.eclipse.wb.internal.core.editor.UndoManager.refreshDesignerEditor(UndoManager.java:381) at org.eclipse.wb.internal.core.editor.UndoManager.activate(UndoManager.java:90) at org.eclipse.wb.internal.core.editor.DesignPage.handleActiveState_True(DesignPage.java:247) at org.eclipse.wb.internal.core.editor.DesignPage.handleActiveState(DesignPage.java:225) at org.eclipse.wb.internal.core.editor.multi.DefaultMultiMode.showPage(DefaultMultiMode.java:125) at org.eclipse.wb.internal.core.editor.multi.DefaultMultiMode$1.widgetSelected(DefaultMultiMode.java:63) at org.eclipse.swt.widgets.TypedListener.handleEvent(TypedListener.java:234) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1053) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1077) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1062) at org.eclipse.swt.widgets.Widget.notifyListeners(Widget.java:774) at org.eclipse.swt.custom.CTabFolder.setSelection(CTabFolder.java:2743) at org.eclipse.swt.custom.CTabFolder.onMouse(CTabFolder.java:1429) at org.eclipse.swt.custom.CTabFolder$1.handleEvent(CTabFolder.java:257) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1053) at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:4066) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3657) at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java:2640) at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:2604) at org.eclipse.ui.internal.Workbench.access$4(Workbench.java:2438) at org.eclipse.ui.internal.Workbench$7.run(Workbench.java:671) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:664) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:149) at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:115) at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:196) 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:369) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:179) 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:620) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:575) at org.eclipse.equinox.launcher.Main.run(Main.java:1408)
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