Can you drop into your Eclipse installation's plugin directory and tell me
the names of all of the plugins in there that start with com.google.gdt.*?

Also, do you see any errors in your Error Log (Window -> Show View -> Error
Log)?

On Tue, Nov 2, 2010 at 11:12 AM, Stephan T <[email protected]>wrote:

> I can't compile my gwt application in Eclipse. Works in Maven outside
> Eclipse though. I'm getting an error related to IPixelConverter (see
> below for full stacktrace). The version of Eclipse is 3.5.1
> (SpringSource Tool Suite2.3.0) and version 2.1.0 of GWT Plugin
> installed from the 3.5 update site.
>
> Any ideas why it doesn't work?
>
>
> eclipse.buildId=2.3.0.200912171331-RELEASE
> java.version=1.6.0_22
> java.vendor=Sun Microsystems Inc.
> BootLoader constants: OS=win32, ARCH=x86_64, WS=win32, NL=sv_SE
> Framework arguments:  -product com.springsource.sts.ide
> Command-line arguments:  -os win32 -ws win32 -arch x86_64 -product
> com.springsource.sts.ide
>
>
> java.lang.NoClassDefFoundError: com/google/gdt/eclipse/platform/shared/
> ui/IPixelConverter
>        at
>
> com.google.gwt.eclipse.core.compile.ui.GWTCompileDialog.createAdvancedOptions(GWTCompileDialog.java:
> 337)
>        at
>
> com.google.gwt.eclipse.core.compile.ui.GWTCompileDialog.createDialogArea(GWTCompileDialog.java:
> 250)
>        at
>
> org.eclipse.jface.dialogs.TitleAreaDialog.createContents(TitleAreaDialog.java:
> 147)
>        at
>
> com.google.gwt.eclipse.core.compile.ui.GWTCompileDialog.createContents(GWTCompileDialog.java:
> 215)
>        at org.eclipse.jface.window.Window.create(Window.java:431)
>        at org.eclipse.jface.dialogs.Dialog.create(Dialog.java:1089)
>        at org.eclipse.jface.window.Window.open(Window.java:790)
>        at
>
> com.google.gwt.eclipse.core.actions.GWTCompileToolbarAction.run(GWTCompileToolbarAction.java:
> 64)
>        at
> org.eclipse.ui.internal.PluginAction.runWithEvent(PluginAction.java:
> 251)
>        at
>
> org.eclipse.ui.internal.WWinPluginAction.runWithEvent(WWinPluginAction.java:
> 229)
>        at
>
> org.eclipse.jface.action.ActionContributionItem.handleWidgetSelection(ActionContributionItem.java:
> 584)
>        at org.eclipse.jface.action.ActionContributionItem.access
> $2(ActionContributionItem.java:501)
>        at org.eclipse.jface.action.ActionContributionItem
> $6.handleEvent(ActionContributionItem.java:452)
>        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: java.lang.ClassNotFoundException:
> com.google.gdt.eclipse.platform.shared.ui.IPixelConverter
>        at
>
> org.eclipse.osgi.internal.loader.BundleLoader.findClassInternal(BundleLoader.java:
> 494)
>        at
> org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:
> 410)
>        at
> org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:
> 398)
>        at
>
> org.eclipse.osgi.internal.baseadaptor.DefaultClassLoader.loadClass(DefaultClassLoader.java:
> 105)
>        at java.lang.ClassLoader.loadClass(ClassLoader.java:248)
>        ... 38 more
>
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