Bug 68011 [java search] "Search the JRE System Libraries" looks like a local preference but behaves as a global one... [search]
org.eclipse.jdt.ui/ui/org/eclipse/jdt/ui/actions/FindAction.java
/* 
	 * Method declared on SelectionChangedAction.
	 */
	public void selectionChanged(IStructuredSelection selection) {
		setEnabled(canOperateOn(selection));
	}
	/* 
	 * Method declared on SelectionChangedAction.
	 */
	public void selectionChanged(ITextSelection selection) {
	}
	/**
	 * Executes this action for the given java element.
	 * @param element The java element to be found.
	 */
	public void run(IJavaElement element) {
		
		if (!ActionUtil.isProcessable(getShell(), element))
			return;
		
		
		try {
			performNewSearch(element);
		} catch (JavaModelException ex) {
			ExceptionHandler.handle(ex, getShell(), SearchMessages.Search_Error_search_notsuccessful_title, SearchMessages.Search_Error_search_notsuccessful_message); 
		}
	}
	private void performNewSearch(IJavaElement element) throws JavaModelException {
		JavaSearchQuery query= createJob(element);
		if (query != null) {