#120 onMessage() does not get activated
Hi there,
i wrote a litle programm to comunicate each other.
(Something like a chat) when I start the openJMS
server, then start the so called client on the same
machine, it works finde. I can send messages an other
client (on the same machine) get it. There onMessage
method awakes an is doing its job.
But when the OpenJMS server is on an other machine,
far away on the internet or next to me using a cros-link-
cable, it does not work. I can send messages but
onMessage() never awakes.
So I put a test-recieve button to the panel. ( a of
course had to delete the messega listener) When i now
send a message, the onMessage() method does no not
do anything (of course) but when i use the recieve
button (mytopic.recieve()) i get the message e sent.
what is the problem? i can´t imagine that OpenJMS
can´t communicate over a network. Do i have to start
something, could i do anything wrong when using an
external server as a local server?
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You might be having firewall problems. If you are using the
rmi connector, the server needs to open a connection back to
the client, which may fail if the client is behind a firewall.
If so, try using the tcp connector.
Re-open this (or better yet, discuss the problem on the
openjms-user list) if you have any issues.
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I am getting the same problem, even with two machines on
the same local network. Everything works when OpenJMS and
the client apps are running on the same machine, but no
messages appear to be received and processed when the
receiver that has the MessageListener is moved to a
different machine.
When I browse the queue with Hermes I can see that the same
number of messages that I have MessageListeners for have
disappeared off the queue. i.e. if I create and register
10 MessageListeners, then 10 messages disappear from the
queue. When I kill the receiving process, the ten messages
come back again.
I am running OpenJMS 0.7.7 alpha 3.