NullPointerException in ApplicationActionBarAdvisor [message #553552] |
Tue, 17 August 2010 23:43 |
Michael Yara Messages: 27 Registered: July 2009 |
Junior Member |
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Hello,
I am getting the following error in my ApplicationActionBarAdvisor class.
java.lang.NullPointerException
at org.eclipse.ui.internal.actions.CommandAction.init(CommandAction.java:201)
at org.eclipse.ui.internal.actions.CommandAction.<init>(CommandAction.java:86)
at org.eclipse.ui.internal.actions.CommandAction.<init>(CommandAction.java:65)
at org.eclipse.ui.actions.ActionFactory$WorkbenchCommandAction.<init>(ActionFactory.java:85)
at org.eclipse.ui.actions.ActionFactory$41.create(ActionFactory.java:1146)
at com.xmlnamespace.operatorpanel.isymphonyclientrcp.ApplicationActionBarAdvisor.makeActions(ApplicationActionBarAdvisor.java:27)
at org.eclipse.ui.application.ActionBarAdvisor.fillActionBars(ActionBarAdvisor.java:147)
at org.eclipse.ui.internal.WorkbenchWindow.fillActionBars(WorkbenchWindow.java:3481)
at org.eclipse.ui.internal.WorkbenchWindow.<init>(WorkbenchWindow.java:404)
at org.eclipse.ui.internal.tweaklets.Workbench3xImplementation.createWorkbenchWindow(Workbench3xImplementation.java:31)
at org.eclipse.ui.internal.Workbench.newWorkbenchWindow(Workbench.java:1731)
at org.eclipse.ui.internal.Workbench.access$14(Workbench.java:1729)
at org.eclipse.ui.internal.Workbench$60.runWithException(Workbench.java:3362)
at org.eclipse.ui.internal.StartupThreading$StartupRunnable.run(StartupThreading.java:31)
at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:35)
at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:134)
at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:3855)
at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3476)
at org.eclipse.ui.application.WorkbenchAdvisor.openWindows(WorkbenchAdvisor.java:803)
at org.eclipse.ui.internal.Workbench$28.runWithException(Workbench.java:1384)
at org.eclipse.ui.internal.StartupThreading$StartupRunnable.run(StartupThreading.java:31)
at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:35)
at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:134)
at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:3855)
at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3476)
at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:2316)
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 com.xmlnamespace.operatorpanel.isymphonyclientrcp.Application.start(Application.java:26)
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(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:559)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:514)
at org.eclipse.equinox.launcher.Main.run(Main.java:1311)
This error seems to happen randomly and once it happens if i close my RCP app the workbench widow closes however the process is still running and I have to kill it manually.
Here is my make actions method:
protected void makeActions(IWorkbenchWindow window) {
exitAction = ActionFactory.QUIT.create(window); <<<<<<<< EXCEPTION HERE
register(exitAction);
aboutAction = ActionFactory.ABOUT.create(window);
register(aboutAction);
preferencesAction = ActionFactory.PREFERENCES.create(window);
register(preferencesAction);
}
I traced the exception in the source and the exception seems to be thrown at this line in the CommandAction Class:
protected void init(IServiceLocator serviceLocator, String commandIdIn,
Map parameterMap) {
if (handlerService != null) {
// already initialized
return;
}
handlerService = (IHandlerService) serviceLocator
.getService(IHandlerService.class);
ICommandService commandService = (ICommandService) serviceLocator
.getService(ICommandService.class);
ICommandImageService commandImageService = (ICommandImageService) serviceLocator
.getService(ICommandImageService.class);
createCommand(commandService, commandIdIn, parameterMap);
if (parameterizedCommand != null) {
setId(parameterizedCommand.getId());
try {
setText(parameterizedCommand.getName());
} catch (NotDefinedException e) {
// if we get this far it shouldn't be a problem
}
parameterizedCommand.getCommand().addCommandListener(
getCommandListener());
parameterizedCommand.getCommand().setEnabled(
handlerService.getCurrentState());
setEnabled(parameterizedCommand.getCommand().isEnabled());
setImageDescriptor(commandImageService.getImageDescriptor(
commandIdIn, ICommandImageService.TYPE_DEFAULT));<<<<<<<<<<<<<<EXCEPTION HERE
setDisabledImageDescriptor(commandImageService.getImageDescriptor(
commandIdIn, ICommandImageService.TYPE_DISABLED));
setHoverImageDescriptor(commandImageService.getImageDescriptor(
commandIdIn, ICommandImageService.TYPE_HOVER));
}
}
Could anyone explain to me why this would be happening?
Best Regards,
Mike
[Updated on: Tue, 17 August 2010 23:55] Report message to a moderator
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