4300 error with GXT 1.2.4

[vladimirrv]

Hello members,

I trying to use a GWT designer with GXT 1.2.4 but gets an exeption: No detailed description for error (4300), please contact support.
my trace is:
com.instantiations.designer.core.utils.exception.DesignerWarningException: 4300. ReportPortlets
at com.instantiations.designer.gwt.gxt.parser.ClassLoaderValidator.validate(ClassLoaderValidator.java:32)
at com.instantiations.designer.gwt.parser.ParseFactory.validate(ParseFactory.java:362)
at com.instantiations.designer.gwt.parser.ParseFactory.createClassLoader(ParseFactory.java:347)
at com.instantiations.designer.gwt.parser.ParseFactory.initializeClassLoader(ParseFactory.java:304)
at com.instantiations.designer.gwt.parser.ParseFactory.getRootContext(ParseFactory.java:93)
at com.instantiations.designer.core.parser.JavaInfoParser.prepareParseContext(JavaInfoParser.java:920)
at com.instantiations.designer.core.parser.JavaInfoParser.parse(JavaInfoParser.java:219)
at com.instantiations.designer.core.parser.JavaInfoParser.access$000(JavaInfoParser.java:118)
at com.instantiations.designer.core.parser.JavaInfoParser$1.runObject(JavaInfoParser.java:140)
at com.instantiations.designer.core.parser.JavaInfoParser$1.runObject(JavaInfoParser.java:139)
at com.instantiations.designer.core.utils.execution.ExecutionUtils.runDesignTime(ExecutionUtils.java:99)
at com.instantiations.designer.core.parser.JavaInfoParser.parse(JavaInfoParser.java:138)
at com.instantiations.designer.core.editor.DesignPage.internal_refreshGEF_withProgress(DesignPage.java:408)
at com.instantiations.designer.core.editor.DesignPage.access$800(DesignPage.java:57)
at com.instantiations.designer.core.editor.DesignPage$7$1.run(DesignPage.java:316)
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:4312)
at com.instantiations.designer.core.editor.DesignPage$7.run(DesignPage.java:313)
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 com.instantiations.designer.core.editor.DesignPage.internal_refreshGEF(DesignPage.java:334)
at com.instantiations.designer.core.editor.UndoManager.refreshDesignerEditor(UndoManager.java:448)
at com.instantiations.designer.core.editor.UndoManager.activate(UndoManager.java:77)
at com.instantiations.designer.core.editor.DesignPage.handleActiveState_True(DesignPage.java:216)
at com.instantiations.designer.core.editor.DesignPage.handleActiveState(DesignPage.java:203)
at com.instantiations.designer.core.editor.multi.DefaultMultiMode.showPage(DefaultMultiMode.java:80)
at com.instantiations.designer.core.editor.multi.DefaultMultiMode$1.widgetSelected(DefaultMultiMode.java:43)
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.Widget.sendEvent(Widget.java:1027)
at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1012)
at org.eclipse.swt.widgets.Widget.notifyListeners(Widget.java:770)
at org.eclipse.swt.custom.CTabFolder.setSelection(CTabFolder.java:3256)
at org.eclipse.swt.custom.CTabFolder.onMouse(CTabFolder.java:2045)
at org.eclipse.swt.custom.CTabFolder$1.handleEvent(CTabFolder.java:323)
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:3880)
at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3473)
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)
at org.eclipse.equinox.launcher.Main.main(Main.java:1287)

Full context stack trace:
java.lang.Error: com.instantiations.designer.core.utils.exception.DesignerWarningException: 4300. ReportPortlets
at com.instantiations.designer.gwt.parser.ParseFactory.createClassLoader(ParseFactory.java:350)
at com.instantiations.designer.gwt.parser.ParseFactory.initializeClassLoader(ParseFactory.java:304)
at com.instantiations.designer.gwt.parser.ParseFactory.getRootContext(ParseFactory.java:93)
at com.instantiations.designer.core.parser.JavaInfoParser.prepareParseContext(JavaInfoParser.java:920)
at com.instantiations.designer.core.parser.JavaInfoParser.parse(JavaInfoParser.java:219)
at com.instantiations.designer.core.parser.JavaInfoParser.access$000(JavaInfoParser.java:118)
at com.instantiations.designer.core.parser.JavaInfoParser$1.runObject(JavaInfoParser.java:140)
at com.instantiations.designer.core.parser.JavaInfoParser$1.runObject(JavaInfoParser.java:139)
at com.instantiations.designer.core.utils.execution.ExecutionUtils.runDesignTime(ExecutionUtils.java:99)
at com.instantiations.designer.core.parser.JavaInfoParser.parse(JavaInfoParser.java:138)
at com.instantiations.designer.core.editor.DesignPage.internal_refreshGEF_withProgress(DesignPage.java:408)
at com.instantiations.designer.core.editor.DesignPage.access$800(DesignPage.java:57)
at com.instantiations.designer.core.editor.DesignPage$7$1.run(DesignPage.java:316)
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:4312)
at com.instantiations.designer.core.editor.DesignPage$7.run(DesignPage.java:313)
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 com.instantiations.designer.core.editor.DesignPage.internal_refreshGEF(DesignPage.java:334)
at com.instantiations.designer.core.editor.UndoManager.refreshDesignerEditor(UndoManager.java:448)
at com.instantiations.designer.core.editor.UndoManager.activate(UndoManager.java:77)
at com.instantiations.designer.core.editor.DesignPage.handleActiveState_True(DesignPage.java:216)
at com.instantiations.designer.core.editor.DesignPage.handleActiveState(DesignPage.java:203)
at com.instantiations.designer.core.editor.multi.DefaultMultiMode.showPage(DefaultMultiMode.java:80)
at com.instantiations.designer.core.editor.multi.DefaultMultiMode$1.widgetSelected(DefaultMultiMode.java:43)
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.Widget.sendEvent(Widget.java:1027)
at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1012)
at org.eclipse.swt.widgets.Widget.notifyListeners(Widget.java:770)
at org.eclipse.swt.custom.CTabFolder.setSelection(CTabFolder.java:3256)
at org.eclipse.swt.custom.CTabFolder.onMouse(CTabFolder.java:2045)
at org.eclipse.swt.custom.CTabFolder$1.handleEvent(CTabFolder.java:323)
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:3880)
at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3473)
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)
at org.eclipse.equinox.launcher.Main.main(Main.java:1287)
Caused by: com.instantiations.designer.core.utils.exception.DesignerWarningException: 4300. ReportPortlets
at com.instantiations.designer.gwt.gxt.parser.ClassLoaderValidator.validate(ClassLoaderValidator.java:32)
at com.instantiations.designer.gwt.parser.ParseFactory.validate(ParseFactory.java:362)
at com.instantiations.designer.gwt.parser.ParseFactory.createClassLoader(ParseFactory.java:347)
... 60 more

It is appear only with GXT 1.2.4 but I have a huge application an can't go to GXT 2.0.1
Are you using GWT Designer with GXT 1.2.4?
Could you help me ?

[Eric Clayberg]

GWT Designer support GXT 2.0.1 only. We do not plan to support older versions due to the substantial API changes involved.