GWT Designer Exception when switching to Design View

[Txang]

Hello, i'm getting next error with all GWT projects in Eclipse when switching to design view:

Stack Trace:
java.lang.NullPointerException
at com.swtdesigner.gwt.loader.compiler.GWTCompileVisitor.visitMethod(GWTCompileVisitor.java:88)
at org.objectweb.asm.ClassReader.accept(Unknown Source)
at org.objectweb.asm.ClassReader.accept(Unknown Source)
at com.swtdesigner.gwt.loader.compiler.GWTClassCompiler.rewriteClass(GWTClassCompiler.java:29)
at com.swtdesigner.gwt.loader.GWTClassLoader.findClass(GWTClassLoader.java:104)
at java.lang.ClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClassInternal(Unknown Source)
at java.lang.ClassLoader.defineClass1(Native Method)
at java.lang.ClassLoader.defineClass(Unknown Source)
at java.lang.ClassLoader.defineClass(Unknown Source)
at com.swtdesigner.gwt.loader.GWTClassLoader.getClassFromBytes(GWTClassLoader.java:206)
at com.swtdesigner.gwt.loader.GWTClassLoader.findClass(GWTClassLoader.java:115)
at java.lang.ClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClassInternal(Unknown Source)
at java.lang.ClassLoader.defineClass1(Native Method)
at java.lang.ClassLoader.defineClass(Unknown Source)
at java.lang.ClassLoader.defineClass(Unknown Source)
at com.swtdesigner.gwt.loader.GWTClassLoader.getClassFromBytes(GWTClassLoader.java:206)
at com.swtdesigner.gwt.loader.GWTClassLoader.findClass(GWTClassLoader.java:115)
at java.lang.ClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at com.swtdesigner.gwt.model.widgets.support.GWTState.initClassesAndMethods(GWTState.java:409)
at com.swtdesigner.gwt.model.widgets.support.GWTState.<init>(GWTState.java:133)
at com.swtdesigner.gwt.support.browser.ie.GWTStateIE6.<init>(GWTStateIE6.java:28)
at com.swtdesigner.gwt.support.browser.ie.BrowserSupportFactory.createState(BrowserSupportFactory.java:12)
at com.swtdesigner.gwt.model.widgets.support.GWTState.createState(GWTState.java:1470)
at com.swtdesigner.gwt.model.widgets.UIObjectInfo.getState(UIObjectInfo.java:394)
at com.swtdesigner.gwt.model.widgets.UIObjectInfo.classByName(UIObjectInfo.java:181)
at com.swtdesigner.gwt.model.widgets.UIObjectInfo.<init>(UIObjectInfo.java:63)
at com.swtdesigner.gwt.model.widgets.WidgetInfo.<init>(WidgetInfo.java:50)
at com.swtdesigner.gwt.model.widgets.panel.AbstractContainerInfo.<init>(AbstractContainerInfo.java:35)
at com.swtdesigner.gwt.model.widgets.panel.PanelInfo.<init>(PanelInfo.java:25)
at com.swtdesigner.gwt.model.widgets.panel.ComplexPanelInfo.<init>(ComplexPanelInfo.java:23)
at com.swtdesigner.gwt.model.widgets.panel.AbsolutePanelInfo.<init>(AbsolutePanelInfo.java:36)
at com.swtdesigner.gwt.model.widgets.panel.RootPanelInfo.<init>(RootPanelInfo.java:23)
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source)
at java.lang.reflect.Constructor.newInstance(Unknown Source)
at com.swtdesigner.gwt.model.GWTJavaInfoFactory.create(GWTJavaInfoFactory.java:152)
at com.swtdesigner.model.parser.factory.JavaInfoFactory.create(JavaInfoFactory.java:113)
at com.swtdesigner.model.parser.factory.JavaInfoFactory.create(JavaInfoFactory.java:96)
at com.swtdesigner.model.parser.factory.JavaInfoFactory.create(JavaInfoFactory.java:89)
at com.swtdesigner.model.parser.JavaInfoParser$ParserVisitor.isComponentCreation(JavaInfoParser.java:3766)
at com.swtdesigner.model.parser.JavaInfoParser$ParserVisitor.endVisit(JavaInfoParser.java:1885)
at org.eclipse.jdt.core.dom.MethodInvocation.accept0(MethodInvocation.java:246)
at org.eclipse.jdt.core.dom.ASTNode.accept(ASTNode.java:2476)
at org.eclipse.jdt.core.dom.ASTNode.acceptChild(ASTNode.java:2523)
at org.eclipse.jdt.core.dom.Assignment.accept0(Assignment.java:311)
at org.eclipse.jdt.core.dom.ASTNode.accept(ASTNode.java:2476)
at org.eclipse.jdt.core.dom.ASTNode.acceptChild(ASTNode.java:2523)
at org.eclipse.jdt.core.dom.ExpressionStatement.accept0(ExpressionStatement.java:143)
at org.eclipse.jdt.core.dom.ASTNode.accept(ASTNode.java:2476)
at org.eclipse.jdt.core.dom.ASTNode.acceptChildren(ASTNode.java:2546)
at org.eclipse.jdt.core.dom.Block.accept0(Block.java:135)
at org.eclipse.jdt.core.dom.ASTNode.accept(ASTNode.java:2476)
at org.eclipse.jdt.core.dom.ASTNode.acceptChild(ASTNode.java:2523)
at org.eclipse.jdt.core.dom.MethodDeclaration.accept0(MethodDeclaration.java:501)
at org.eclipse.jdt.core.dom.ASTNode.accept(ASTNode.java:2476)
at com.swtdesigner.model.parser.JavaInfoParser$ParserVisitor.visit(JavaInfoParser.java:3003)
at org.eclipse.jdt.core.dom.TypeDeclaration.accept0(TypeDeclaration.java:466)
at org.eclipse.jdt.core.dom.ASTNode.accept(ASTNode.java:2476)
at org.eclipse.jdt.core.dom.ASTNode.acceptChildren(ASTNode.java:2546)
at org.eclipse.jdt.core.dom.CompilationUnit.accept0(CompilationUnit.java:213)
at org.eclipse.jdt.core.dom.ASTNode.accept(ASTNode.java:2476)
at com.swtdesigner.model.parser.JavaInfoParser.parse(JavaInfoParser.java:320)
at com.swtdesigner.gef.DesignerEditor.parseCompilationUnit(DesignerEditor.java:1140)
at com.swtdesigner.gef.DesignerEditor$17.execute(DesignerEditor.java:1072)
at com.swtdesigner.model.swing.properties.custom.DesignTimeHelper.execute(DesignTimeHelper.java:54)
at com.swtdesigner.gef.DesignerEditor.handleActivate(DesignerEditor.java:1066)
at com.swtdesigner.gef.DesignerEditor.handleActivate(DesignerEditor.java:1059)
at com.swtdesigner.editors.MultiPageEditor.showDesignEditor(MultiPageEditor.java:426)
at com.swtdesigner.editors.MultiPageEditor$2.widgetSelected(MultiPageEditor.java:196)
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.Widget.sendEvent(Widget.java:962)
at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:947)
at org.eclipse.swt.widgets.Widget.notifyListeners(Widget.java:706)
at org.eclipse.swt.custom.CTabFolder.setSelection(CTabFolder.java:3227)
at org.eclipse.swt.custom.CTabFolder.onMouse(CTabFolder.java:2005)
at org.eclipse.swt.custom.CTabFolder$1.handleEvent(CTabFolder.java:316)
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$4.run(Workbench.java:466)
at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:289)
at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:461)
at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:149)
at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:106)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:169)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:106)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:76)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:363)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:176)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:508)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:447)
at org.eclipse.equinox.launcher.Main.run(Main.java:1173)
Full stack trace (to see full context):
org.apache.commons.lang.exception.NestableError: org.apache.commons.lang.exception.NestableError: com.swtdesigner.properties.PropertyException: java.lang.reflect.InvocationTargetException
at com.swtdesigner.model.parser.JavaInfoParser$ParserVisitor.isComponentCreation(JavaInfoParser.java:3777)
at com.swtdesigner.model.parser.JavaInfoParser$ParserVisitor.endVisit(JavaInfoParser.java:1885)
at org.eclipse.jdt.core.dom.MethodInvocation.accept0(MethodInvocation.java:246)
at org.eclipse.jdt.core.dom.ASTNode.accept(ASTNode.java:2476)
at org.eclipse.jdt.core.dom.ASTNode.acceptChild(ASTNode.java:2523)
at org.eclipse.jdt.core.dom.Assignment.accept0(Assignment.java:311)
at org.eclipse.jdt.core.dom.ASTNode.accept(ASTNode.java:2476)
at org.eclipse.jdt.core.dom.ASTNode.acceptChild(ASTNode.java:2523)
at org.eclipse.jdt.core.dom.ExpressionStatement.accept0(ExpressionStatement.java:143)
at org.eclipse.jdt.core.dom.ASTNode.accept(ASTNode.java:2476)
at org.eclipse.jdt.core.dom.ASTNode.acceptChildren(ASTNode.java:2546)
at org.eclipse.jdt.core.dom.Block.accept0(Block.java:135)
at org.eclipse.jdt.core.dom.ASTNode.accept(ASTNode.java:2476)
at org.eclipse.jdt.core.dom.ASTNode.acceptChild(ASTNode.java:2523)
at org.eclipse.jdt.core.dom.MethodDeclaration.accept0(MethodDeclaration.java:501)
at org.eclipse.jdt.core.dom.ASTNode.accept(ASTNode.java:2476)
at com.swtdesigner.model.parser.JavaInfoParser$ParserVisitor.visit(JavaInfoParser.java:3003)
at org.eclipse.jdt.core.dom.TypeDeclaration.accept0(TypeDeclaration.java:466)
at org.eclipse.jdt.core.dom.ASTNode.accept(ASTNode.java:2476)
at org.eclipse.jdt.core.dom.ASTNode.acceptChildren(ASTNode.java:2546)
at org.eclipse.jdt.core.dom.CompilationUnit.accept0(CompilationUnit.java:213)
at org.eclipse.jdt.core.dom.ASTNode.accept(ASTNode.java:2476)
at com.swtdesigner.model.parser.JavaInfoParser.parse(JavaInfoParser.java:320)
at com.swtdesigner.gef.DesignerEditor.parseCompilationUnit(DesignerEditor.java:1140)
at com.swtdesigner.gef.DesignerEditor$17.execute(DesignerEditor.java:1072)
at com.swtdesigner.model.swing.properties.custom.DesignTimeHelper.execute(DesignTimeHelper.java:54)
at com.swtdesigner.gef.DesignerEditor.handleActivate(DesignerEditor.java:1066)
at com.swtdesigner.gef.DesignerEditor.handleActivate(DesignerEditor.java:1059)
at com.swtdesigner.editors.MultiPageEditor.showDesignEditor(MultiPageEditor.java:426)
at com.swtdesigner.editors.MultiPageEditor$2.widgetSelected(MultiPageEditor.java:196)
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.Widget.sendEvent(Widget.java:962)
at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:947)
at org.eclipse.swt.widgets.Widget.notifyListeners(Widget.java:706)
at org.eclipse.swt.custom.CTabFolder.setSelection(CTabFolder.java:3227)
at org.eclipse.swt.custom.CTabFolder.onMouse(CTabFolder.java:2005)
at org.eclipse.swt.custom.CTabFolder$1.handleEvent(CTabFolder.java:316)
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$4.run(Workbench.java:466)
at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:289)
at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:461)
at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:149)
at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:106)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:169)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:106)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:76)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:363)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:176)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:508)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:447)
at org.eclipse.equinox.launcher.Main.run(Main.java:1173)
Caused by: org.apache.commons.lang.exception.NestableError: com.swtdesigner.properties.PropertyException: java.lang.reflect.InvocationTargetException
at com.swtdesigner.model.parser.factory.JavaInfoFactory.create(JavaInfoFactory.java:119)
at com.swtdesigner.model.parser.factory.JavaInfoFactory.create(JavaInfoFactory.java:96)
at com.swtdesigner.model.parser.factory.JavaInfoFactory.create(JavaInfoFactory.java:89)
at com.swtdesigner.model.parser.JavaInfoParser$ParserVisitor.isComponentCreation(JavaInfoParser.java:3766)
... 62 more
Caused by: com.swtdesigner.properties.PropertyException: java.lang.reflect.InvocationTargetException
at com.swtdesigner.gwt.model.GWTJavaInfoFactory.create(GWTJavaInfoFactory.java:160)
at com.swtdesigner.model.parser.factory.JavaInfoFactory.create(JavaInfoFactory.java:113)
... 65 more
Caused by: java.lang.reflect.InvocationTargetException
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source)
at java.lang.reflect.Constructor.newInstance(Unknown Source)
at com.swtdesigner.gwt.model.GWTJavaInfoFactory.create(GWTJavaInfoFactory.java:152)
... 66 more
Caused by: org.apache.commons.lang.exception.NestableError: org.apache.commons.lang.exception.NestableError: org.apache.commons.lang.exception.NestableError: Exception during loading of class com.google.gwt.user.client.Element
at com.swtdesigner.gwt.model.widgets.UIObjectInfo.getState(UIObjectInfo.java:396)
at com.swtdesigner.gwt.model.widgets.UIObjectInfo.classByName(UIObjectInfo.java:181)
at com.swtdesigner.gwt.model.widgets.UIObjectInfo.<init>(UIObjectInfo.java:63)
at com.swtdesigner.gwt.model.widgets.WidgetInfo.<init>(WidgetInfo.java:50)
at com.swtdesigner.gwt.model.widgets.panel.AbstractContainerInfo.<init>(AbstractContainerInfo.java:35)
at com.swtdesigner.gwt.model.widgets.panel.PanelInfo.<init>(PanelInfo.java:25)
at com.swtdesigner.gwt.model.widgets.panel.ComplexPanelInfo.<init>(ComplexPanelInfo.java:23)
at com.swtdesigner.gwt.model.widgets.panel.AbsolutePanelInfo.<init>(AbsolutePanelInfo.java:36)
at com.swtdesigner.gwt.model.widgets.panel.RootPanelInfo.<init>(RootPanelInfo.java:23)
... 71 more
Caused by: org.apache.commons.lang.exception.NestableError: org.apache.commons.lang.exception.NestableError: Exception during loading of class com.google.gwt.user.client.Element
at com.swtdesigner.gwt.model.widgets.support.GWTState.<init>(GWTState.java:139)
at com.swtdesigner.gwt.support.browser.ie.GWTStateIE6.<init>(GWTStateIE6.java:28)
at com.swtdesigner.gwt.support.browser.ie.BrowserSupportFactory.createState(BrowserSupportFactory.java:12)
at com.swtdesigner.gwt.model.widgets.support.GWTState.createState(GWTState.java:1470)
at com.swtdesigner.gwt.model.widgets.UIObjectInfo.getState(UIObjectInfo.java:394)
... 79 more
Caused by: org.apache.commons.lang.exception.NestableError: Exception during loading of class com.google.gwt.user.client.Element
at com.swtdesigner.gwt.loader.GWTClassLoader.findClass(GWTClassLoader.java:145)
at java.lang.ClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at com.swtdesigner.gwt.model.widgets.support.GWTState.initClassesAndMethods(GWTState.java:409)
at com.swtdesigner.gwt.model.widgets.support.GWTState.<init>(GWTState.java:133)
... 83 more
Caused by: org.apache.commons.lang.exception.NestableError: Exception during loading of class com.google.gwt.dom.client.Element
at com.swtdesigner.gwt.loader.GWTClassLoader.findClass(GWTClassLoader.java:145)
at java.lang.ClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClassInternal(Unknown Source)
at java.lang.ClassLoader.defineClass1(Native Method)
at java.lang.ClassLoader.defineClass(Unknown Source)
at java.lang.ClassLoader.defineClass(Unknown Source)
at com.swtdesigner.gwt.loader.GWTClassLoader.getClassFromBytes(GWTClassLoader.java:206)
at com.swtdesigner.gwt.loader.GWTClassLoader.findClass(GWTClassLoader.java:115)
... 87 more
Caused by: org.apache.commons.lang.exception.NestableError: Exception during loading of class com.google.gwt.dom.client.Node
at com.swtdesigner.gwt.loader.GWTClassLoader.findClass(GWTClassLoader.java:145)
at java.lang.ClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClassInternal(Unknown Source)
at java.lang.ClassLoader.defineClass1(Native Method)
at java.lang.ClassLoader.defineClass(Unknown Source)
at java.lang.ClassLoader.defineClass(Unknown Source)
at com.swtdesigner.gwt.loader.GWTClassLoader.getClassFromBytes(GWTClassLoader.java:206)
at com.swtdesigner.gwt.loader.GWTClassLoader.findClass(GWTClassLoader.java:115)
... 95 more
Caused by: org.apache.commons.lang.exception.NestableError: org.apache.commons.lang.exception.NestableError: java.lang.NullPointerException
at com.swtdesigner.gwt.loader.compiler.GWTClassCompiler.rewriteClass(GWTClassCompiler.java:43)
at com.swtdesigner.gwt.loader.GWTClassLoader.findClass(GWTClassLoader.java:104)
... 103 more
Caused by: org.apache.commons.lang.exception.NestableError: java.lang.NullPointerException
at com.swtdesigner.gwt.loader.compiler.GWTCompileVisitor.visitMethod(GWTCompileVisitor.java:114)
at org.objectweb.asm.ClassReader.accept(Unknown Source)
at org.objectweb.asm.ClassReader.accept(Unknown Source)
at com.swtdesigner.gwt.loader.compiler.GWTClassCompiler.rewriteClass(GWTClassCompiler.java:29)
... 104 more
Caused by: java.lang.NullPointerException
at com.swtdesigner.gwt.loader.compiler.GWTCompileVisitor.visitMethod(GWTCompileVisitor.java:88)
... 107 more
----------------

Computer details:

Intelx86 with windows XP 32bits.
Eclipse 3.3 Europa
WindowBuilder 6.5.
GWT 1.5.2.

Any ideas or suggestions? i'm near to get nuts!

Thanks.

[Eric Clayberg]

WindowBuilder 6.5.
GWT 1.5.2.

WB 6.5 does not support GWT 1.5.2.

You need to be using WB 6.8.