Cannot send the UDP datagram with device 8320 (V4.2.2.180)

There is a post says "Cannot send the datagram UDP with JDE 4.5" to

http://supportforums.BlackBerry.com/Rim/Board/message?board.ID=java_dev&thread.ID=14528&view=by_date...

In the emulator of JDE4.2 it really works, but he meets the same problem in the blackberry8320 (V4.2.2.180) device, get the same java.io.IOException (detailMessage = null) to the send() operation;

I looked in the (accessible via wifi) PC with a tool named Sockettool (it can create the client and Server TCP/UDP), it can be connected to the emulator and receive datagrams sent to the emulator, but can not be connected to device.

Is this a problem related version too?

Appreciate if you can share your experience with datagram connection to the device.

Here is my code:

Emulator: host = "udp://iport1; port2.

Feature: host = "udp://iport1; port2 /; = wifi interface.

                try {
                    udp_client = (DatagramConnection) Connector.open(host);
                    byte[] data = {65,66,67,68};
                    int len = data.length;
                    dg_out = udp_client.newDatagram(data, data.length);
                    udp_client.send(dg_out);
                    udp_client.close();
            }catch (Exception e) {
                    System.out.println("UDP Exception:"+e.getMessage());
                }

If the application is able to send and receive UDP traffic in the BlackBerry Simulator, but not on a BlackBerry real pocket computer the first thing to check is to check that your carrier supports.  Several carriers do not support UDP traffic or restrict to specific ports or data types.  This can cause exceptions or make it appear that the application will silently fail (carrier is just dropping packets).

Tags: BlackBerry Developers

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