Using Java to Send Message to BlazeDS

Hello all, maybe you can help me with my problem.
I've created a very simple java program that should have no problem sending a message to BlazeDS.
Java App Code
import   flex.messaging.MessageBroker;
import   flex.messaging.messages.AsyncMessage;
import   flex.messaging.util.UUIDUtils;
public   class BlazeDSTest
    public static void main(String[] args)
          MessageBroker msgBroker = MessageBroker.getMessageBroker(
null);
          String clientID = UUIDUtils.createUUID();
           AsyncMessage msg = new AsyncMessage();
          msg.setDestination(
"chat");
          msg.setClientId(clientID);
          msg.setMessageId(UUIDUtils.createUUID());
          msg.setTimestamp(System.currentTimeMillis());
          msg.setBody(1);
          msgBroker.routeMessageToService(msg,
null);
ok, pretty simple. Now i'm getting a null pointer exception error when i try to run the routeMessageToService function.
Either i don't have my config,services xml set right or what, i have no idea why it can't find the message channel "chat".
I know it's in there. I see it under the BlazeDS samples. Is there something i need to set to specifically target a certain "folder" in blaze ds?
I want this java program to just run on the server (that blazeDS is installed on), anywhere in the os.
So like this....
JavaApp Runs -> JavaApp gets message from outside source -> JavaApp sends messages to BlazeDS -> Clients subscribed to Blaze get message
Pretty easy...but i'm beating my head. Anyone please?
Thanks!
-kevin

Hi
With the new 4.6 version of Adobe Data Services, you can also create Java (desktop/Android) and JS/ObjectiveC applications that can communicate with a messaging destination.
http://help.adobe.com/en_US/dataservicesjee/4.6/Developing/WS4976f0ec3ef48246-681f784e12dc 3e803c6-8000.html
Regards,
Ashish Vashisht

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I am having problems trying to send an email using java. No idea what is going on because it looks fine. Can anyone give any insight?
Cheers
Robert
import java.awt.event.*;
import java.awt.*;
import java.net.*;
import java.io.*;
import javax.swing.*;
* JEmail.java
* @author Robert Venning 18/09/2005
* @version 1.0
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               System.out.println(input);
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Hi, floppit. For sending emails, I used the JavaMail API. Here is some code I wrote where I used JavaMail. The most relevant lines are in bold.
/*   File: ListenNotifier.java
* Author: Fabricio Machado
*          [email protected]
* This utility is based on the "Listen.java" tool from the Tiny OS
* java tools package, in /tinyos-1.x/tools/java/net/tinyos/tools/.
* The original application has been extended to convert raw packet data into
* a more meaningful representation of actual photo sensor readings in
* lux.
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* threshold, and also when readings dip back below the threshold.
* Currently, the code is only fit to handle packets from the Tiny OS
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* by connecting via TCP to a Tiny OS java tool called "Serial Forwarder."
* "Serial Forwarder" takes packets from the base station, and forwards
* them to TCP port 9001.
* Below is UC Berkeley's copyright disclaimer regarding the original code.
*                              |   |
*                              |   |
*                              |   |
*                              |   |
*                            __|   |__
*                                v
* "Copyright (c) 2000-2003 The Regents of the University of California.
* All rights reserved.
* Permission to use, copy, modify, and distribute this software and its
* documentation for any purpose, without fee, and without written agreement is
* hereby granted, provided that the above copyright notice, the following
* two paragraphs and the author appear in all copies of this software.
* IN NO EVENT SHALL THE UNIVERSITY OF CALIFORNIA BE LIABLE TO ANY PARTY FOR
* DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES ARISING OUT
* OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF THE UNIVERSITY OF
* CALIFORNIA HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
* THE UNIVERSITY OF CALIFORNIA SPECIFICALLY DISCLAIMS ANY WARRANTIES,
* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
* AND FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS
* ON AN "AS IS" BASIS, AND THE UNIVERSITY OF CALIFORNIA HAS NO OBLIGATION TO
* PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS."
* Copyright (c) 2002-2003 Intel Corporation
* All rights reserved.
* This file is distributed under the terms in the attached INTEL-LICENSE
* file. If you do not find these files, copies can be found by writing to
* Intel Research Berkeley, 2150 Shattuck Avenue, Suite 1300, Berkeley, CA,
* 94704. Attention: Intel License Inquiry.
import java.util.Properties;
import java.io.*;
import java.net.*;
import net.tinyos.packet.*;
import net.tinyos.util.*;
import net.tinyos.message.*;
import javax.mail.internet.*;
import javax.mail.*;
import java.util.*;
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     int j = 0;
     Integer threshold=0;
     String to="";
     String timeStamp;
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        // set as threshold . . .
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           System.err.println("usage: java ListenNotifier < EmailAddress1 > < EmailAddress2 > . . . -T < Threshold >\n");
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         to = args[j];
         threshold = 250;
         break;
     default:
         if (args[args.length-2].equals("-T")){
          threshold = threshold.valueOf(args[args.length-1]);
          to = args[0];
          while(!args[j+1].equals("-T")){
              to = to + " " + args[j+1];
              j++;
          break;
         else{
          j = 0;
          threshold = 250;
          to = args[j];
          while((j + 1) < args.length){
              to = to + " " + args[j+1];
              j++;
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         PacketSource reader = BuildSource.makeSF("192.168.0.12",9001);
     // Check to see if connection to Serial Forwarder successful . . .
     if (reader == null) {
         System.err.println("Invalid packet source (check your MOTECOM environment variable)");
         System.exit(2);
     try {
         // Use JavaMail API methods to set up an
         // email session . . .
      Properties props = System.getProperties();
     Session session = Session.getInstance(props, null);
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         reader.open(PrintStreamMessenger.err);
         // Set a threshold boolean to be used so
         // email is sent only once after threshold
         // is exceeded.
         Boolean limit = false;
         for (;;) {
          // The node ID field in the OscilloscopeRF packet
          // is 2 bytes long, but all byte pairs in the packet
          // are in little endian order. Thus, the bytes must
          // be re-ordered. They are then converted to unsigned
          // integers and added together to obtain the node ID.
          byte[] packet = reader.readPacket();
          Integer nodeID = (( int ) packet[5] & 0xFF) + ((( int ) packet[6] & 0xFF)<<8);
          System.out.printf("Packet from node %d . . . \n", nodeID);
          // Begin extracting data payload of sensor readings,
                // which are stored in the last 20 bytes of the packet . . .
         for (i = 0; i <= 9; i++){
          // Convert reading to integer, display on screen . . .
          Integer sensorData = (( int ) packet[(2*i)+11] & 0xFF) + ((( int ) packet[(2*i)+12] & 0xFF)<<8);
          System.out.printf("Sample %d reading at %d lux.\n", i+1, sensorData);
          // Is sensor reading above limit?
          if(!limit && (sensorData >= threshold)){
              limit = true;
              System.out.printf("WARNING: SENSOR READING ABOVE THRESHOLD--SENDING NOTICE BY TEXT MESSAGE.\n");
              // Compute a time stamp for when threshold was exceeded.
              java.util.Locale locale = Locale.getDefault();
              java.text.DateFormat dateFormat = java.text.DateFormat.getDateTimeInstance(java.text.DateFormat.LONG,
                                                              java.text.DateFormat.LONG, locale);
              timeStamp = dateFormat.format(new java.util.Date());
              // Build message and send to recipients in mailing list . . .
              message.setFrom();
          message.setRecipients(javax.mail.Message.RecipientType.TO, InternetAddress.parse(to, false));
          message.setSubject("WARNING: NODE " + nodeID.toString() + " SENSOR READING ABOVE THRESHOLD!");
          message.setText("Node " + nodeID.toString() + " sensed " + sensorData.toString() + " lux on " + timeStamp + "\n");
          Transport.send(message);
              System.out.printf("%s\n",timeStamp);
          // Has sensor reading now dropped from above threshold to below threshold?
          // Same concept as before . . .
          if(limit && (sensorData < threshold)){
              limit = false;
              System.out.printf("READING BELOW THRESHOLD AGAIN . . . SENDING NOTICE BY TEXT MESSAGE.\n");
              java.util.Locale locale = Locale.getDefault();
              java.text.DateFormat dateFormat = java.text.DateFormat.getDateTimeInstance(java.text.DateFormat.LONG,
                                                              java.text.DateFormat.LONG, locale);
              timeStamp = dateFormat.format(new java.util.Date());
              message.setFrom();
          message.setRecipients(javax.mail.Message.RecipientType.TO, InternetAddress.parse(to, false));
          message.setSubject("NODE " + nodeID.toString() + " READING BELOW THRESHOLD AGAIN.");
          message.setText("Node " + nodeID.toString() + " sensed " + sensorData.toString() + " lux on " + timeStamp + "\n");
          Transport.send(message);
              System.out.printf("%s\n",timeStamp);
         System.out.println();
         System.out.flush();
     // Catch IOException from Tiny OS java method, and
     // MessagingException from setRecipients method in JavaMail API . . .
     catch (IOException e) {
         System.err.println("Error on " + reader.getName() + ": " + e);
     catch(MessagingException e){
     System.err.println("Error in javax.mail.message.setRecipients:\n" + to);
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Using Java to Send Message to BlazeDS

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