static {
   // determine good/bad nodes:
   final ConnectionFactory cf = ConnectionFactory.getInstance();
   cf.testAllNodes();
   // set not to automatically try reconnects (auto-retries prevent ConnectionException tests from
   // working):
   final DefaultConnectionPolicy cp = ((DefaultConnectionPolicy) cf.getConnectionPolicy());
   cp.setMaxRetries(0);
   scalarisNode = cp.selectNode().toString();
 }