s = getCluster().getMessageAddress().toString();
s = getAgentIdentifier().toString();
  protected String getClusterID() {    String s;    try {      s = getCluster().getMessageAddress().toString();    } catch (Exception e) {      s = "UNKNOWN";    }    int beginIdx = 0;    if (s.startsWith("<")) {      beginIdx++;    }    int endIdx = s.length();    if (s.endsWith(">")) {      endIdx--;    }    // substring notices when indexes are (0, len)    return s.substring(beginIdx, endIdx);  }