I'm trying to get JBossMQ working with a server and a client, both
connected to the internet and both behind firewalls. I have full access
to configure the firewalls however I want. I can open any ports
necessary. The problem is I have no idea which ports I should open. So
here's what I've done: I have JBoss and JBossMQ running on my computer
at work. The client works fine. I then put the client on my home
computer (both computers are connected to the internet with DSL, and
both have simple Barricade firewalls). It doesn't work at home. I opened
up all the ports I could find in the JBoss config files, including 1099,
4444, 8090, and 8091. I did this for both computers. It still doesn't
work. I even put them both in the DMZ. Here is the line of code and the
exception:
TopicConnectionFactory topicConnectionFactory = (TopicConnectionFactory)
jndiContext.lookup("ConnectionFactory");
javax.naming.CommunicationException: Receive timed out. Root exception
is java.
net.SocketTimeoutException: Receive timed out
at java.net.PlainDatagramSocketImpl.receive(Native Method)
at java.net.DatagramSocket.receive(DatagramSocket.java:671)
at org.jnp.interfaces.NamingContext.discoverServer(NamingContext.java:91
9)
at org.jnp.interfaces.NamingContext.checkRef(NamingContext.java:997)
at org.jnp.interfaces.NamingContext.lookup(NamingContext.java:436)
at org.jnp.interfaces.NamingContext.lookup(NamingContext.java:429)
at javax.naming.InitialContext.lookup(InitialContext.java:347)
at com.x.detector.Detector.receiveEvents(Detector.java:83)
at com.x.detector.Detector.main(Detector.java:49)
Again, this client works perfectly 100% of the time when I run it on the
same computer as the server. I'm sure this is related to the firewall /
NAT. Unfortunately I can't disable this at work to prove it.
If anyone has any ideas on getting this to work I'd greatly appreciate
it.
Thanks,
Michael
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