private void handleError(Exception e) throws RemoteException {
        LOG.error("Error occurred while consuming Crowd REST service", e);
        throw new RemoteException(e.getMessage());
    }
Get the members of the given group
@param groupName the name of the group
@return a List of String with the usernames members of the given group
@throws RemoteException if an exception occurred communicating with the crowd server
xmppserver/src/main/java/org/jivesoftware/openfire/crowd/CrowdManager.java