errorDialog.showURL(url);
final URL final_url=url; display.asyncExec(new Runnable() { public void run() { errorDialog.showURL(final_url); } });
      public void handleError(String code, String urlString) {        //actionSetContinuousDownload(false);        URL url;        if (urlString.indexOf(':') < 0)          url = getClass().getResource("help/" + urlString);        else           try {            url = new URL(urlString);          }          catch (MalformedURLException e) {            e.printStackTrace();            url = getResource("help/malformedurl.html");          }        errorDialog.showURL(url);      }