public static Object getAttribute(URL externalURL,
    RemoteMBeanAttributeInvocation mi) throws Exception 
{
      if( log.isTraceEnabled() )
         log.trace("invoke, externalURL="+externalURL);
      /* Post the MarshalledInvocation data. This is using the URL class
       for now but this should be improved to a cluster aware layer with
       full usage of HTTP 1.1 features, pooling, etc.
       */
      java.net.HttpURLConnection conn = (java.net.HttpURLConnection) externalURL.openConnection();
      //if( conn instanceof com.sun.net.ssl.HttpsURLConnection )
      //{
         // See if the org.jboss.security.ignoreHttpsHost property is set
         /*
         if( Boolean.getBoolean("org.jboss.security.ignoreHttpsHost") == true )
         {
            com.sun.net.ssl.HttpsURLConnection sconn = (com.sun.net.ssl.HttpsURLConnection) conn;
            AnyhostVerifier verifier = new AnyhostVerifier();
            sconn.setHostnameVerifier(verifier);
         }
          **/
      //}
      conn.setDoInput(true);
      conn.setDoOutput(true);
      conn.setRequestProperty("ContentType", REQUEST_CONTENT_TYPE);
      conn.setRequestMethod("POST");
      java.io.OutputStream os = conn.getOutputStream();
      java.io.ObjectOutputStream oos = new java.io.ObjectOutputStream(os);
      oos.writeObject(mi);
      oos.flush();
      // Get the response MarshalledValue object
      java.io.InputStream is = conn.getInputStream();
      java.io.ObjectInputStream ois = new java.io.ObjectInputStream(is);
      org.jboss.invocation.MarshalledValue mv = (org.jboss.invocation.MarshalledValue) ois.readObject();
      ois.close();
      oos.close();
      // If the encoded value is an exception throw it
      Object value = mv.get();
      if( value instanceof org.jboss.invocation.InvocationException )
         throw (Exception) (((org.jboss.invocation.InvocationException)value).getTargetException ());
      if( value instanceof Exception )
         throw (Exception) value;
      return value;
}

 public static Object invoke(URL externalURL,
    RemoteMBeanInvocation mi) throws Exception 
{
   
      /** TODO solve authentication issues!!
      // Install the java.net.Authenticator to use
      try
      {
         java.net.Authenticator.setDefault(new org.jboss.security.SecurityAssociationAuthenticator());
      }
      catch(Exception e)
      {
         log.warn("Failed to install SecurityAssociationAuthenticator", e);
      }
       */
      if( log.isTraceEnabled() )
         log.trace("invoke, externalURL="+externalURL);
      /* Post the MarshalledInvocation data. This is using the URL class
       for now but this should be improved to a cluster aware layer with
       full usage of HTTP 1.1 features, pooling, etc.
       */
      java.net.HttpURLConnection conn = (java.net.HttpURLConnection) externalURL.openConnection();
      //if( conn instanceof com.sun.net.ssl.HttpsURLConnection )
      //{
         // See if the org.jboss.security.ignoreHttpsHost property is set
         /*
         if( Boolean.getBoolean("org.jboss.security.ignoreHttpsHost") == true )
         {
            com.sun.net.ssl.HttpsURLConnection sconn = (com.sun.net.ssl.HttpsURLConnection) conn;
            AnyhostVerifier verifier = new AnyhostVerifier();
            sconn.setHostnameVerifier(verifier);
         }
          **/
      //}
      conn.setDoInput(true);
      conn.setDoOutput(true);
      conn.setRequestProperty("ContentType", REQUEST_CONTENT_TYPE);
      conn.setRequestMethod("POST");
      java.io.OutputStream os = conn.getOutputStream();
      java.io.ObjectOutputStream oos = new java.io.ObjectOutputStream(os);
      oos.writeObject(mi);
      oos.flush();
      // Get the response MarshalledValue object
      java.io.InputStream is = conn.getInputStream();
      java.io.ObjectInputStream ois = new java.io.ObjectInputStream(is);
      org.jboss.invocation.MarshalledValue mv = (org.jboss.invocation.MarshalledValue) ois.readObject();
      ois.close();
      oos.close();
      // If the encoded value is an exception throw it
      Object value = mv.get();
      if( value instanceof org.jboss.invocation.InvocationException )
         throw (Exception) (((org.jboss.invocation.InvocationException)value).getTargetException ());
      if( value instanceof Exception )
         throw (Exception) value;
      return value;
}

Post the Invocation as a serialized MarshalledInvocation object. This is using the URL class for now but this should be improved to a cluster aware layer with full usage of HTTP 1.1 features, pooling, etc.