Bug 48448 Exception changing perspectives
build i1210:1227, winxp, j9sc1104 I got the following stack trace printed to the console when I was switching perspectives. The log file was empty. java.lang.IllegalArgumentException: Argument not valid at java.lang.Throwable.<init>(Throwable.java) at java.lang.Throwable.<init>(Throwable.java) at org.eclipse.swt.SWT.error(SWT.java:2578) at org.eclipse.swt.SWT.error(SWT.java:2522) at org.eclipse.swt.widgets.Widget.error(Widget.java:388) at org.eclipse.swt.widgets.Composite.setTabList(Composite.java:478) at org.eclipse.jface.action.CoolBarManager.updateTabOrder(CoolBarManager .java:262) at org.eclipse.jface.action.CoolBarManager.update(CoolBarManager.java) at org.eclipse.ui.internal.ActionSetActionBars.setActive(ActionSetAction Bars.java) at org.eclipse.ui.SubActionBars.deactivate(SubActionBars.java:128) at org.eclipse.ui.SubActionBars.deactivate(SubActionBars.java:116) at org.eclipse.ui.internal.ActionPresentation.setActionSets(ActionPresen tation.java:109) at org.eclipse.ui.internal.WorkbenchWindow.updateActionSets(WorkbenchWin dow.java:1833) at org.eclipse.ui.internal.WorkbenchPage.setPerspective(WorkbenchPage.ja va:2620) at org.eclipse.ui.internal.WorkbenchPage.busySetPerspective(WorkbenchPag e.java:695) at org.eclipse.ui.internal.WorkbenchPage.access$8(WorkbenchPage.java:680 ) at org.eclipse.ui.internal.WorkbenchPage$12.run(WorkbenchPage.java:2725) at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:84) at org.eclipse.ui.internal.WorkbenchPage.setPerspective(WorkbenchPage.ja va:2723) at org.eclipse.ui.internal.SetPagePerspectiveAction.run(SetPagePerspecti veAction.java:72) at org.eclipse.jface.action.Action.runWithEvent(Action.java:842) at org.eclipse.jface.action.ActionContributionItem.handleWidgetSelection (ActionContributionItem.java:509) at org.eclipse.jface.action.ActionContributionItem.access$2(ActionContri butionItem.java:461) at org.eclipse.jface.action.ActionContributionItem$6.handleEvent(ActionC ontributionItem.java:433) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java) at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java) at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java:1547) at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:1523) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.jav a:242) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:139) at org.eclipse.ui.internal.ide.IDEApplication.run(IDEApplication.java:47 ) at org.eclipse.core.internal.runtime.PlatformActivator$1.run(PlatformAct ivator.java:242) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.ja va:84) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl. java:79) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAcces sorImpl.java:41) at java.lang.reflect.Method.invoke(Method.java:386) at org.eclipse.core.internal.boot.OSGiBootLoader.basicRun(OSGiBootLoader .java:239) at org.eclipse.core.internal.boot.OSGiBootLoader.run(OSGiBootLoader.java :665) at org.eclipse.core.internal.boot.OSGiBootLoader.run(OSGiBootLoader.java :652) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl. java:79) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAcces sorImpl.java:41) at java.lang.reflect.Method.invoke(Method.java:386) at org.eclipse.core.launcher.Main.basicRun(Main.java:299) at org.eclipse.core.launcher.Main.run(Main.java:767) at org.eclipse.core.launcher.Main.main(Main.java:601)
bundles/org.eclipse.jface/src/org/eclipse/jface/action/CoolBarManager.java
/* (non-Javadoc)
	 * @see org.eclipse.jface.action.ICoolBarManager#isLayoutLocked()
	 */
	public IMenuManager getContextMenuManager() {
		return contextMenuManager;
	}
	/* (non-Javadoc)
	 * @see org.eclipse.jface.action.ICoolBarManager#setContextMenuManager(org.eclipse.jface.action.IMenuManager)
	 */
	public void setContextMenuManager(IMenuManager contextMenuManager) {
		this.contextMenuManager = (MenuManager)contextMenuManager;
		if (coolBar != null) {
			coolBar.setMenu(getContextMenuControl());
		}
	}
	
	/*
	 *  (non-Javadoc)
	 * @see org.eclipse.jface.action.ICoolBarManager#isLayoutLocked()
	 */
	public boolean getLockLayout() {
		if (!coolBarExist()) {
			return false;
		}
		return coolBar.getLocked();
	}
	
	/*
	 *  (non-Javadoc)
	 * @see org.eclipse.jface.action.ICoolBarManager#lockLayout(boolean)