final Composite panel = new Composite(parent, SWT.FILL);
GridLayout glayout = new GridLayout(2, false);
panel.setLayout(glayout);
final HadoopConfigurationBuilder uiConfigurationBuilder = location.getUIConfigurationBuilder();
uiConfigurationBuilder.setChangeListener(new ChangeListener() {
@Override
public void notifyChange(ConfProp prop, String propValue) {
Display.getDefault().syncExec(new Runnable() {
public void run() {