@Override
public void createControl(Composite parent) {
FormToolkit toolkit = new FormToolkit(parent.getDisplay());
Form form = toolkit.createForm(parent);
Composite composite = form.getBody();
composite.setLayout(new GridLayout(1, true));
GridDataFactory.swtDefaults().align(SWT.FILL, SWT.FILL).grab(true, true).applyTo(composite);
createServerGroup(composite, toolkit);