public static Cluster initializeCluster(String path) throws JAXBException, IOException {
   Cluster cluster = EventUtil.getCluster(path);
   for (Property p : cluster.getEnv().getProperty()) {
     env.put(p.getKey(), p.getValue());
   }
   return cluster;
 }
 public static String getStringifiedEnv(Cluster cluster) {
   StringBuffer buffer = new StringBuffer();
   for (Property p : cluster.getEnv().getProperty()) {
     buffer.append(p.getKey() + "=" + p.getValue() + " ");
   }
   return buffer.toString();
 }