Hi!
I'm having problems while configuring the GWT App Engine in eclipse. I go
to preferences -> Google -> App Engine -> Add... and when I enter the
directory, I got an error message "Failed to initialize App Engine SDK at
c:\java\gwt-2.5.0"
In Eclipse's error log I see the following stacktrace:
java.lang.NoClassDefFoundError:
com/google/appengine/tools/admin/AdminException
at java.lang.Class.getDeclaredConstructors0(Native Method)
at java.lang.Class.privateGetDeclaredConstructors(Unknown Source)
at java.lang.Class.getConstructor0(Unknown Source)
at java.lang.Class.newInstance0(Unknown Source)
at java.lang.Class.newInstance(Unknown Source)
at
com.google.appengine.eclipse.core.sdk.AppEngineBridgeFactory.createBridge(AppEngineBridgeFactory.java:183)
at
com.google.appengine.eclipse.core.sdk.AppEngineBridgeFactory.createBridge(AppEngineBridgeFactory.java:121)
at
com.google.appengine.eclipse.core.sdk.AppEngineBridgeFactory.getAppEngineBridge(AppEngineBridgeFactory.java:94)
at
com.google.appengine.eclipse.core.sdk.GaeSdk.getAppEngineBridge(GaeSdk.java:287)
at
com.google.appengine.eclipse.core.sdk.GaeSdk.validate(GaeSdk.java:460)
at
com.google.gdt.eclipse.core.ui.AddSdkDialog.validateSdk(AddSdkDialog.java:273)
at
com.google.gdt.eclipse.core.ui.AddSdkDialog.validate(AddSdkDialog.java:213)
at
com.google.gdt.eclipse.core.ui.AddSdkDialog$3.focusLost(AddSdkDialog.java:171)
at
org.eclipse.swt.widgets.TypedListener.handleEvent(TypedListener.java:143)
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.Widget.sendEvent(Widget.java:1077)
at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1058)
at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:2822)
at org.eclipse.swt.widgets.Widget.wmKillFocus(Widget.java:1921)
at org.eclipse.swt.widgets.Control.WM_KILLFOCUS(Control.java:4900)
at org.eclipse.swt.widgets.Control.windowProc(Control.java:4562)
at org.eclipse.swt.widgets.Text.windowProc(Text.java:2254)
at org.eclipse.swt.widgets.Display.windowProc(Display.java:4985)
at org.eclipse.swt.internal.win32.OS.PeekMessageW(Native Method)
at org.eclipse.swt.internal.win32.OS.PeekMessage(OS.java:3114)
at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3749)
at org.eclipse.jface.window.Window.runEventLoop(Window.java:825)
at org.eclipse.jface.window.Window.open(Window.java:801)
at
com.google.appengine.eclipse.core.preferences.ui.GaePreferencePage$1.doAddSdk(GaePreferencePage.java:90)
at
com.google.gdt.eclipse.core.ui.SdkTable$3.widgetSelected(SdkTable.java:242)
at
org.eclipse.swt.widgets.TypedListener.handleEvent(TypedListener.java:240)
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.jface.window.Window.runEventLoop(Window.java:825)
at org.eclipse.jface.window.Window.open(Window.java:801)
at
org.eclipse.ui.internal.dialogs.WorkbenchPreferenceDialog.open(WorkbenchPreferenceDialog.java:215)
at
org.eclipse.ui.internal.handlers.ShowPreferencePageHandler.execute(ShowPreferencePageHandler.java:54)
at
org.eclipse.ui.internal.handlers.HandlerProxy.execute(HandlerProxy.java:293)
at org.eclipse.core.commands.Command.executeWithChecks(Command.java:476)
at
org.eclipse.core.commands.ParameterizedCommand.executeWithChecks(ParameterizedCommand.java:508)
at
org.eclipse.ui.internal.handlers.HandlerService.executeCommand(HandlerService.java:169)
at
org.eclipse.ui.internal.handlers.SlaveHandlerService.executeCommand(SlaveHandlerService.java:241)
at
org.eclipse.ui.internal.actions.CommandAction.runWithEvent(CommandAction.java:157)
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$5.handleEvent(ActionContributionItem.java:411)
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:2696)
at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:2660)
at org.eclipse.ui.internal.Workbench.access$4(Workbench.java:2494)
at org.eclipse.ui.internal.Workbench$7.run(Workbench.java:674)
at
org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332)
at
org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:667)
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(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:622)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:577)
at org.eclipse.equinox.launcher.Main.run(Main.java:1410)
at org.eclipse.equinox.launcher.Main.main(Main.java:1386)
Caused by: java.lang.ClassNotFoundException:
com.google.appengine.tools.admin.AdminException
at java.net.URLClassLoader$1.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClassInternal(Unknown Source)
... 74 more
Apparently, its a problem with my environment, because this happens also
with Eclipse Juno, after cleaning, switching workspaces, etc.
I use windows XP sp3 32 bit, with GWT Eclipse plugin
3.2.0.v201302131858-rel-r37
Please help, im stuck with this error, I found no solution after googling
for a few hours.
Regards,
Juan Ignacio
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