Bug 11814 OpenExternalJavadoc action should not call findElement on JAR
This causes an exception: Java Model Exception: Java Model Status [Invalid path: C:/Java/IBM1.3/jre/lib/rt.jar.] at org.eclipse.jdt.internal.core.JavaProject.findElement(JavaProject.java:435) at org.eclipse.jdt.internal.ui.actions.OpenExternalJavadocAction.run(OpenExternalJavadocAction.java:102) at org.eclipse.ui.texteditor.RetargetTextEditorAction.run(RetargetTextEditorAction.java:103) at org.eclipse.jface.action.Action.runWithEvent(Action.java:473) at org.eclipse.jface.action.ActionContributionItem.handleWidgetSelection(ActionContributionItem.java:407) at org.eclipse.jface.action.ActionContributionItem.handleWidgetEvent(ActionContributionItem.java(Compiled Code)) at org.eclipse.jface.action.ActionContributionItem$ActionListener.handleEvent(ActionContributionItem.java(Compiled Code)) at org.eclipse.jface.action.ActionContributionItem$ActionListener.handleEvent(ActionContributionItem.java(Compiled Code)) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java(Compiled Code)) at org.eclipse.swt.widgets.Widget.notifyListeners(Widget.java(Compiled Code)) at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java(Compiled Code)) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java(Compiled Code)) at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java(Compiled Code)) at org.eclipse.ui.internal.Workbench.run(Workbench.java:698) at org.eclipse.core.internal.boot.InternalBootLoader.run(InternalBootLoader.java:777) at org.eclipse.core.boot.BootLoader.run(BootLoader.java:319) at java.lang.reflect.Method.invoke(Native Method) at org.eclipse.core.launcher.Main.basicRun(Main.java:196) at org.eclipse.core.launcher.Main.run(Main.java:555) at org.eclipse.core.launcher.UIMain.main(UIMain.java:52) 4 org.eclipse.jdt.core 979 Invalid path: C:/Java/IBM1.3/jre/lib/rt.jar.
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/wizards/buildpaths/BuildPathsBlock.java
} catch (CoreException e) {
			JavaPlugin.log(e.getStatus());
		}
		if (outputLocation == null) {
			outputLocation= getDefaultBuildPath(jproject);
		}
		
		List newClassPath;
		if (classpathEntries == null) {
			newClassPath= getDefaultClassPath(jproject);
		} else {
			newClassPath= new ArrayList();
			for (int i= 0; i < classpathEntries.length; i++) {
				IClasspathEntry curr= classpathEntries[i];
				int entryKind= curr.getEntryKind();
				IPath path= curr.getPath();
				boolean isExported= curr.isExported();
				
				IResource res= null;
				boolean isMissing= false;
				
				if (entryKind != IClasspathEntry.CPE_VARIABLE) {
					res= fWorkspaceRoot.findMember(path);
					if (res == null) {
						isMissing= (entryKind != IClasspathEntry.CPE_LIBRARY || !path.toFile().isFile());
					}
				} else {
					IPath resolvedPath= JavaCore.getResolvedVariablePath(path);
					isMissing= (resolvedPath == null) || !resolvedPath.toFile().isFile();
				}