me too the same problem. Please help me my ubuntu is 12.10 java when java -version java version "1.7.0_15" OpenJDK Runtime Environment (IcedTea7 2.3.7) (7u15-2.3.7-0ubuntu1~12.10.1) OpenJDK Server VM (build 23.7-b01, mixed mod and oracle java the same error.
On Saturday, March 9, 2013 7:07:53 AM UTC+8, Mansouri Brahim wrote: > > hello > when i create new gwt project i can't see the design of my apps and > myeclipse give me that eror so some one can help please?? > Could not open the editor: The editor class could not be instantiated. > This usually indicates a missing no-arg constructor or that the editor's > class name was mistyped in plugin.xml. > > and > java.lang.ClassNotFoundException: > org.eclipse.wb.internal.core.editor.multi.DesignerEditor > at > org.eclipse.osgi.internal.loader.BundleLoader.findClassInternal(BundleLoader.java:513) > at > org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:429) > at > org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:417) > at > org.eclipse.osgi.internal.baseadaptor.DefaultClassLoader.loadClass(DefaultClassLoader.java:107) > at java.lang.ClassLoader.loadClass(ClassLoader.java:252) > at > org.eclipse.osgi.internal.loader.BundleLoader.loadClass(BundleLoader.java:345) > at > org.eclipse.osgi.framework.internal.core.BundleHost.loadClass(BundleHost.java:229) > at > org.eclipse.osgi.framework.internal.core.AbstractBundle.loadClass(AbstractBundle.java:1207) > at > org.eclipse.core.internal.registry.osgi.RegistryStrategyOSGI.createExecutableExtension(RegistryStrategyOSGI.java:174) > at > org.eclipse.core.internal.registry.ExtensionRegistry.createExecutableExtension(ExtensionRegistry.java:905) > at > org.eclipse.core.internal.registry.ConfigurationElement.createExecutableExtension(ConfigurationElement.java:243) > at > org.eclipse.core.internal.registry.ConfigurationElementHandle.createExecutableExtension(ConfigurationElementHandle.java:55) > at org.eclipse.ui.internal.WorkbenchPlugin$1.run(WorkbenchPlugin.java:268) > at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:70) > at > org.eclipse.ui.internal.WorkbenchPlugin.createExtension(WorkbenchPlugin.java:264) > at > org.eclipse.ui.internal.registry.EditorDescriptor.createEditor(EditorDescriptor.java:235) > at org.eclipse.ui.internal.EditorManager.createPart(EditorManager.java:875) > at > org.eclipse.ui.internal.EditorReference.createPartHelper(EditorReference.java:609) > at > org.eclipse.ui.internal.EditorReference.createPart(EditorReference.java:465) > at > org.eclipse.ui.internal.WorkbenchPartReference.getPart(WorkbenchPartReference.java:595) > at > org.eclipse.ui.internal.EditorReference.getEditor(EditorReference.java:289) > at > org.eclipse.ui.internal.WorkbenchPage.busyOpenEditorBatched(WorkbenchPage.java:2945) > at > org.eclipse.ui.internal.WorkbenchPage.busyOpenEditor(WorkbenchPage.java:2850) > at org.eclipse.ui.internal.WorkbenchPage.access$11(WorkbenchPage.java:2842) > at org.eclipse.ui.internal.WorkbenchPage$10.run(WorkbenchPage.java:2793) > at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:70) > at > org.eclipse.ui.internal.WorkbenchPage.openEditor(WorkbenchPage.java:2789) > at > org.eclipse.ui.internal.WorkbenchPage.openEditor(WorkbenchPage.java:2773) > at org.eclipse.ui.actions.OpenWithMenu.openEditor(OpenWithMenu.java:331) > at org.eclipse.ui.actions.OpenWithMenu$2.handleEvent(OpenWithMenu.java:179) > 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:4165) > at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3754) > at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java:2701) > at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:2665) > at org.eclipse.ui.internal.Workbench.access$4(Workbench.java:2499) > at org.eclipse.ui.internal.Workbench$7.run(Workbench.java:679) > at > org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332) > at > org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:668) > at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:149) > at > org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:123) > 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:344) > 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:622) > at org.eclipse.equinox.launcher.Main.basicRun(Main.java:577) > at org.eclipse.equinox.launcher.Main.run(Main.java:1410) > > -- You received this message because you are subscribed to the Google Groups "Google Web Toolkit" group. To unsubscribe from this group and stop receiving emails from it, send an email to google-web-toolkit+unsubscr...@googlegroups.com. To post to this group, send email to google-web-toolkit@googlegroups.com. Visit this group at http://groups.google.com/group/google-web-toolkit?hl=en. For more options, visit https://groups.google.com/groups/opt_out.
