public static  void main(String[] args) throws Exception 
{
        
        if(args.length != 2) {
            System.out.println("Usage: $java Client endpoint_address client_repo_path");
        }
        ConfigurationContext ctx = ConfigurationContextFactory.createConfigurationContextFromFileSystem(args[1], args[1] + "/conf/axis2.xml");
        ServiceClient client = new ServiceClient(ctx, null);
        Options options = new Options();
        options.setAction("urn:echo");
        options.setTo(new EndpointReference(args[0]));
        client.setOptions(options);
        OMElement response = client.sendReceive(getPayload("Hello world"));
        System.out.println(response);
}