Eric,

Thanks for the tip.

There is also a work round for this JVM bug in the latest GWT Designer
build downloadable from

http://code.google.com/webtoolkit/tools/download-gwtdesigner-beta.html

Either of these approaches successfully resolves the issue.

Meeta


On Nov 16, 6:53 pm, Eric Clayberg <clayb...@google.com> wrote:
> This is typically caused by a bug in OpenJDK. If you run Eclipse using
> the latest Sun/Oracle JVM instead, it should be fine.
>
> On Nov 11, 8:26 am, Meeta Krishnamurthi <mkmurthi...@gmail.com> wrote:
>
> > Hey
>
> > I am using the GWT Designer downloaded from the latest Update Site for
> > Eclipse 3.6.
>
> > I seem to be unable to add any of the TextBox Controls (TextBox,
> > TextArea, PasswordTextBox) those inheriting from TextBoxBase from the
> > Palette. Clicking on any of these generates the following error in the
> > Designer Editor Erros
>
> > Palette: can not load component com.google.gwt.user.client.ui.TextArea
> > Stack trace:
>
> > java.beans.IntrospectionException: type mismatch between read and
> > write methods
> >         at
> > java.beans.PropertyDescriptor.findPropertyType(PropertyDescriptor.java:
> > 657)
> >         at
> > java.beans.PropertyDescriptor.setWriteMethod(PropertyDescriptor.java:
> > 318)
> >         at java.beans.PropertyDescriptor.<init>(PropertyDescriptor.java:140)
> >         at
> > com.instantiations.designer.core.utils.reflect.ReflectionUtils.addPropertyD 
> > escriptor(ReflectionUtils.java:
> > 1256)
> >         at
> > com.instantiations.designer.core.utils.reflect.ReflectionUtils.getPropertyD 
> > escriptors(ReflectionUtils.java:
> > 1200)
> >         at
> > com.instantiations.designer.core.model.description.rules.StandardBeanProper 
> > tiesRule.begin(StandardBeanPropertiesRule.java:
> > 37)
> >         at org.apache.commons.digester.Digester.startElement(Digester.java:
> > 1563)
> >         at
> > com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.startElement(A 
> > bstractSAXParser.java:
> > 504)
> >         at
> > com.sun.org.apache.xerces.internal.parsers.AbstractXMLDocumentParser.emptyE 
> > lement(AbstractXMLDocumentParser.java:
> > 182)
> >         at
> > com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.scan 
> > StartElement(XMLDocumentFragmentScannerImpl.java:
> > 1315)
> >         at
> > com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl
> > $FragmentContentDriver.next(XMLDocumentFragmentScannerImpl.java:2723)
> >         at
> > com.sun.org.apache.xerces.internal.impl.XMLDocumentScannerImpl.next(XMLDocu 
> > mentScannerImpl.java:
> > 624)
> >         at
> > com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.scan 
> > Document(XMLDocumentFragmentScannerImpl.java:
> > 486)
> >         at
> > com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(XML11Co 
> > nfiguration.java:
> > 810)
> >         at
> > com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(XML11Co 
> > nfiguration.java:
> > 740)
> >         at
> > com.sun.org.apache.xerces.internal.parsers.XMLParser.parse(XMLParser.java:
> > 110)
> >         at
> > com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.parse(Abstract 
> > SAXParser.java:
> > 1208)
> >         at com.sun.org.apache.xerces.internal.jaxp.SAXParserImpl
> > $JAXPSAXParser.parse(SAXParserImpl.java:525)
> >         at org.apache.commons.digester.Digester.parse(Digester.java:1887)
> >         at
> > com.instantiations.designer.core.model.description.helpers.ComponentDescrip 
> > tionHelper.getDescription0(ComponentDescriptionHelper.java:
> > 361)
> >         at
> > com.instantiations.designer.core.model.description.helpers.ComponentDescrip 
> > tionHelper.getDescription0(ComponentDescriptionHelper.java:
> > 266)
> >         at
> > com.instantiations.designer.core.model.description.helpers.ComponentDescrip 
> > tionHelper.getDescription(ComponentDescriptionHelper.java:
> > 236)
> >         at
> > com.instantiations.designer.core.editor.palette.model.entry.ComponentEntryI 
> > nfo.ensureDescriptions(ComponentEntryInfo.java:
> > 237)
> >         at
> > com.instantiations.designer.core.editor.palette.model.entry.ComponentEntryI 
> > nfo.createTool(ComponentEntryInfo.java:
> > 362)
> >         at
> > com.instantiations.designer.core.editor.palette.model.entry.ToolEntryInfo
> > $1.runObject(ToolEntryInfo.java:28)
> >         at
> > com.instantiations.designer.core.editor.palette.model.entry.ToolEntryInfo
> > $1.runObject(ToolEntryInfo.java:1)
> >         at
> > com.instantiations.designer.core.utils.execution.ExecutionUtils.runObjectLo 
> > g(ExecutionUtils.java:
> > 268)
> >         at
> > com.instantiations.designer.core.editor.palette.model.entry.ToolEntryInfo.a 
> > ctivate(ToolEntryInfo.java:
> > 23)
> >         at com.instantiations.designer.core.editor.palette.DesignerPalette
> > $3.activate(DesignerPalette.java:253)
> >         at
> > com.instantiations.designer.core.controls.palette.PaletteComposite.selectEn 
> > try(PaletteComposite.java:
> > 206)
> >         at 
> > com.instantiations.designer.core.controls.palette.PaletteComposite
> > $EntryFigure$1.mouseUp(PaletteComposite.java:726)
> >         at com.instantiations.draw2d.EventManager
> > $2.invokeListener(EventManager.java:217)
> >         at 
> > com.instantiations.draw2d.EventManager.sendEvent(EventManager.java:
> > 177)
> >         at
> > com.instantiations.draw2d.EventManager.handleMouseEvent(EventManager.java:
> > 164)
> >         at com.instantiations.draw2d.EventManager.mouseUp(EventManager.java:
> > 155)
> >         at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> >         at
> > sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:
> > 57)
> >         at
> > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImp 
> > l.java:
> > 43)
> >         at java.lang.reflect.Method.invoke(Method.java:616)
> >         at 
> > com.instantiations.draw2d.EventManager$8.invoke(EventManager.java:
> > 288)
> >         at $Proxy1.mouseUp(Unknown Source)
> >         at
> > org.eclipse.swt.widgets.TypedListener.handleEvent(TypedListener.java:
> > 213)
> >         at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84)
> >         at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1258)
> >         at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:
> > 3540)
> >         at 
> > org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3161)
> >         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(EclipseA 
> > ppLauncher.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(NativeMethodAccessorImpl.java:
> > 57)
> >         at
> > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImp 
> > l.java:
> > 43)
> >         at java.lang.reflect.Method.invoke(Method.java:616)
> >         at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:619)
> >         at org.eclipse.equinox.launcher.Main.basicRun(Main.java:574)
> >         at org.eclipse.equinox.launcher.Main.run(Main.java:1407)
>
> > Full stack trace (to see full context):
>
> > java.lang.Error: PropertyDescriptor(public java.lang.Object
> > com.google.gwt.user.client.ui.TextBoxBase.getValue(), public void
> > com.google.gwt.user.client.ui.ValueBoxBase.setValue(java.lang.Object))
> >         at
> > com.instantiations.designer.core.utils.reflect.ReflectionUtils.addPropertyD 
> > escriptor(ReflectionUtils.java:
> > 1258)
> >         at
> > com.instantiations.designer.core.utils.reflect.ReflectionUtils.getPropertyD 
> > escriptors(ReflectionUtils.java:
> > 1200)
> >         at
> > com.instantiations.designer.core.model.description.rules.StandardBeanProper 
> > tiesRule.begin(StandardBeanPropertiesRule.java:
> > 37)
> >         at org.apache.commons.digester.Digester.startElement(Digester.java:
> > 1563)
> >         at
> > com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.startElement(A 
> > bstractSAXParser.java:
> > 504)
> >         at
> > com.sun.org.apache.xerces.internal.parsers.AbstractXMLDocumentParser.emptyE 
> > lement(AbstractXMLDocumentParser.java:
> > 182)
> >         at
> > com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.scan 
> > StartElement(XMLDocumentFragmentScannerImpl.java:
> > 1315)
> >         at
> > com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl
> > $FragmentContentDriver.next(XMLDocumentFragmentScannerImpl.java:2723)
> >         at
> > com.sun.org.apache.xerces.internal.impl.XMLDocumentScannerImpl.next(XMLDocu 
> > mentScannerImpl.java:
> > 624)
> >         at
> > com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.scan 
> > Document(XMLDocumentFragmentScannerImpl.java:
> > 486)
> >         at
> > com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(XML11Co 
> > nfiguration.java:
> > 810)
> >         at
> > com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(XML11Co 
> > nfiguration.java:
> > 740)
> >         at
> > com.sun.org.apache.xerces.internal.parsers.XMLParser.parse(XMLParser.java:
>
> ...
>
> read more »

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