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[eclipse-dev] AbstractUIPlugin cannot be resolved or is not a valid superclass
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Greetings,
I'm getting this message in my log when trying to load my plugin. It
seems
to work fine when launched from the "Runtime Workbench" feature.
However,
when I install it into my actuall Eclipse plugins directory, I get this
error. The full stack trace is below.
Does anyone have any idea what this is about? I have the dependency on
org.eclipse.ui plugin in the plugin.xml - so that class should be
available...
BTW, this will be an open-source JavaCC plugin once it is working
properly...
Cheers,
pete
peter m. murray
pete@xxxxxxxx
org.eclipse.core.internal.boot.DelegatingLoaderException:
org.eclipse.core.runtime.CoreException[2]:
java.lang.reflect.InvocationTargetException: java.lang.Error: Unresolved
compilation problems:
AbstractUIPlugin cannot be resolved or is not a valid superclass
The constructor
java.lang.Object(org.eclipse.core.runtime.IPluginDescriptor) is
undefined
at java.lang.reflect.Constructor.newInstance(Native Method)
at
com.subx.eclipse.javacc.JavaccPlugin.<init>(JavaccPlugin.java:12)
at java.lang.reflect.Constructor.newInstance(Native Method)
at
org.eclipse.core.internal.plugins.PluginDescriptor.internalDoPluginActiv
ation(PluginDescriptor.java:680)
at
org.eclipse.core.internal.plugins.PluginDescriptor.doPluginActivation(Pl
uginDescriptor.java:186)
at
org.eclipse.core.internal.plugins.PluginClassLoader.activatePlugin(Plugi
nClassLoader.java:58)
at
org.eclipse.core.internal.plugins.PluginClassLoader.findClassParentsSelf
(PluginClassLoader.java:136)
at
org.eclipse.core.internal.boot.DelegatingURLClassLoader.loadClass(Delega
tingURLClassLoader.java:750)
at
org.eclipse.core.internal.boot.DelegatingURLClassLoader.loadClass(Delega
tingURLClassLoader.java:730)
at java.lang.ClassLoader.loadClass(ClassLoader.java:250)
at
org.eclipse.core.internal.plugins.PluginDescriptor.createExecutableExten
sion(PluginDescriptor.java:130)
at
org.eclipse.core.internal.plugins.PluginDescriptor.createExecutableExten
sion(PluginDescriptor.java:167)
at
org.eclipse.core.internal.plugins.ConfigurationElement.createExecutableE
xtension(ConfigurationElement.java:102)
at
org.eclipse.core.internal.events.BuildManager.instantiateBuilder(BuildMa
nager.java:486)
at
org.eclipse.core.internal.events.BuildManager.initializeBuilder(BuildMan
ager.java:441)
at
org.eclipse.core.internal.events.BuildManager.getBuilder(BuildManager.ja
va:327)
at
org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.ja
va:165)
at
org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.ja
va:186)
at
org.eclipse.core.internal.events.BuildManager$1.run(BuildManager.java:14
6)
at
org.eclipse.core.internal.runtime.InternalPlatform.run(InternalPlatform.
java:831)
at org.eclipse.core.runtime.Platform.run(Platform.java:416)
at
org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.ja
va:160)
at
org.eclipse.core.internal.events.BuildManager.build(BuildManager.java:21
1)
at
org.eclipse.core.internal.resources.Workspace.endOperation(Workspace.jav
a:733)
at
org.eclipse.core.internal.resources.Workspace.run(Workspace.java:1366)
at
org.eclipse.ui.actions.WorkspaceModifyOperation.run(WorkspaceModifyOpera
tion.java:78)
at
org.eclipse.ui.texteditor.AbstractTextEditor.performSaveOperation(Abstra
ctTextEditor.java:2120)
at
org.eclipse.ui.texteditor.AbstractTextEditor.doSave(AbstractTextEditor.j
ava:1982)
at
org.eclipse.ui.internal.EditorManager$11.run(EditorManager.java:987)
at
org.eclipse.ui.internal.EditorManager$8.run(EditorManager.java:856)
at
org.eclipse.jface.operation.ModalContext.runInCurrentThread(ModalContext
.java:299)
at
org.eclipse.jface.operation.ModalContext.run(ModalContext.java:249)
at
org.eclipse.jface.window.ApplicationWindow$1.run(ApplicationWindow.java:
394)
at
org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:66)
at
org.eclipse.jface.window.ApplicationWindow.run(ApplicationWindow.java:39
1)
at
org.eclipse.ui.internal.WorkbenchWindow.run(WorkbenchWindow.java:1105)
at
org.eclipse.ui.internal.EditorManager.runProgressMonitorOperation(Editor
Manager.java:862)
at
org.eclipse.ui.internal.EditorManager.saveEditor(EditorManager.java:992)
at
org.eclipse.ui.internal.WorkbenchPage.saveEditor(WorkbenchPage.java:1922
)
at org.eclipse.ui.internal.SaveAction.run(SaveAction.java:32)
at
org.eclipse.ui.internal.registry.AcceleratorScope$AcceleratorAction.run(
AcceleratorScope.java:284)
at
org.eclipse.ui.internal.registry.AcceleratorScope.processKey(Accelerator
Scope.java:258)
at
org.eclipse.ui.internal.KeyBindingService.processKey(KeyBindingService.j
ava:100)
at
org.eclipse.ui.texteditor.AbstractTextEditor$ActivationCodeTrigger.verif
yKey(AbstractTextEditor.java:444)
at
org.eclipse.jface.text.TextViewer$VerifyKeyListenersManager.verifyKey(Te
xtViewer.java:328)
at
org.eclipse.swt.custom.StyledTextListener.handleEvent(StyledTextListener
.java:51)
at
org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:77)
at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:843)
at
org.eclipse.swt.widgets.Widget.notifyListeners(Widget.java:636)
at
org.eclipse.swt.custom.StyledText.handleKeyDown(StyledText.java:4626)
at
org.eclipse.swt.custom.StyledText$8.handleEvent(StyledText.java:4371)
at
org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:77)
at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:827)
at
org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:1529)
at
org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:1291)
at
org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java:1177)
at org.eclipse.ui.internal.Workbench.run(Workbench.java:1160)
at
org.eclipse.core.internal.boot.InternalBootLoader.run(InternalBootLoader
.java:775)
at org.eclipse.core.boot.BootLoader.run(BootLoader.java:462)
at java.lang.reflect.Method.invoke(Native Method)
at org.eclipse.core.launcher.Main.basicRun(Main.java:248)
at org.eclipse.core.launcher.Main.run(Main.java:698)
at org.eclipse.core.launcher.Main.main(Main.java:534)
