Re: Can't compile in eclipe - unhandled event loop exception

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 <stephan.terning@gmail.com> 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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