After upgrading STS to 2.8.1 (based on Eclipse 3.7.1) running on
MacOSX 10.5.8, i am unable to update the AppEngine SDK to 1.6.0. Here
is the error log:
java.lang.UnsupportedClassVersionError: Bad version number in .class
file
at java.lang.ClassLoader.defineClass2(Native Method)
at java.lang.ClassLoader.defineClass(ClassLoader.java:775)
at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:
160)
at java.net.URLClassLoader.defineClass(URLClassLoader.java:254)
at java.net.URLClassLoader.access$100(URLClassLoader.java:56)
at java.net.URLClassLoader$1.run(URLClassLoader.java:195)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:188)
at java.lang.ClassLoader.loadClass(ClassLoader.java:317)
at java.lang.ClassLoader.loadClass(ClassLoader.java:252)
at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:375)
at java.lang.Class.getDeclaredConstructors0(Native Method)
at java.lang.Class.privateGetDeclaredConstructors(Class.java:2357)
at java.lang.Class.getConstructor0(Class.java:2671)
at java.lang.Class.newInstance0(Class.java:321)
at java.lang.Class.newInstance(Class.java:303)
at
com.google.appengine.eclipse.core.sdk.AppEngineBridgeFactory.createBridge(AppEngineBridgeFactory.java:
184)
at
com.google.appengine.eclipse.core.sdk.AppEngineBridgeFactory.createBridge(AppEngineBridgeFactory.java:
122)
at
com.google.appengine.eclipse.core.sdk.AppEngineBridgeFactory.getAppEngineBridge(AppEngineBridgeFactory.java:
95)
at
com.google.appengine.eclipse.core.sdk.GaeSdk.getAppEngineBridge(GaeSdk.java:
265)
at com.google.appengine.eclipse.core.sdk.GaeSdk.validate(GaeSdk.java:
379)
at com.google.gdt.eclipse.core.ui.SdkTable
$1.selectionChanged(SdkTable.java:185)
at org.eclipse.jface.viewers.Viewer$2.run(Viewer.java:164)
at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
at org.eclipse.ui.internal.JFaceUtil$1.run(JFaceUtil.java:49)
at org.eclipse.jface.util.SafeRunnable.run(SafeRunnable.java:175)
at org.eclipse.jface.viewers.Viewer.fireSelectionChanged(Viewer.java:
162)
at
org.eclipse.jface.viewers.StructuredViewer.updateSelection(StructuredViewer.java:
2188)
at
org.eclipse.jface.viewers.StructuredViewer.handleSelect(StructuredViewer.java:
1211)
at
org.eclipse.jface.viewers.CheckboxTableViewer.handleSelect(CheckboxTableViewer.java:
310)
at org.eclipse.jface.viewers.StructuredViewer
$4.widgetSelected(StructuredViewer.java:1241)
at
org.eclipse.jface.util.OpenStrategy.fireSelectionEvent(OpenStrategy.java:
239)
at org.eclipse.jface.util.OpenStrategy.access$4(OpenStrategy.java:
233)
at org.eclipse.jface.util.OpenStrategy
$1.handleEvent(OpenStrategy.java:403)
at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84)
at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1669)
at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1693)
at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1678)
at org.eclipse.swt.widgets.Widget.notifyListeners(Widget.java:1421)
at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:
3738)
at org.eclipse.swt.widgets.Control.sendTrackEvents(Control.java:3235)
at org.eclipse.swt.widgets.Control.kEventControlTrack(Control.java:
2262)
at org.eclipse.swt.widgets.Widget.controlProc(Widget.java:381)
at org.eclipse.swt.widgets.Display.controlProc(Display.java:916)
at org.eclipse.swt.internal.carbon.OS.CallNextEventHandler(Native
Method)
at org.eclipse.swt.widgets.Table.kEventMouseDown(Table.java:2325)
at org.eclipse.swt.widgets.Widget.mouseProc(Widget.java:1387)
at org.eclipse.swt.widgets.Display.mouseProc(Display.java:3166)
at org.eclipse.swt.internal.carbon.OS.SendEventToEventTarget(Native
Method)
at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3289)
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.ui.internal.actions.CommandAction.run(CommandAction.java:
171)
at
org.eclipse.ui.internal.carbon.CarbonUIEnhancer.runAction(CarbonUIEnhancer.java:
386)
at org.eclipse.ui.internal.carbon.CarbonUIEnhancer.access
$1(CarbonUIEnhancer.java:376)
at org.eclipse.ui.internal.carbon.CarbonUIEnhancer
$Target.commandProc(CarbonUIEnhancer.java:110)
at org.eclipse.swt.internal.carbon.OS.MenuSelect(Native Method)
at org.eclipse.swt.widgets.Display.mouseProc(Display.java:3132)
at org.eclipse.swt.internal.carbon.OS.SendEventToEventTarget(Native
Method)
at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3289)
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(NativeMethodAccessorImpl.java:
39)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:
25)
at java.lang.reflect.Method.invoke(Method.java:592)
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)
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