Hello Ron,

Thank you for your quick response!

I have downloaded Remoting release 2.2.3.SP1 and replace the existing one in my 
standalone client and in JBoss As 4.2.3.GA server's libs (in the server 
configuration for JBoss Messaging 1.4.4.GA)

I have configured remoting-bisocket-service.xml with the attribute values you 
suggest and have also added the attribute

<attribute name="DisableRemotingChecks">true</attribute>

to connection-factories-service.xml to make sure Messaging accepts the changes 
in those immutable attributes.

Still no luck. The firewall does not timeout primary port 4457 because there is 
a ping between client and server. However, the ServerThread running on the 
client blocks on the secondary bind port, fixed to value 4458, to read the 
version, as shown in trace line

56411 [WorkerThread#0[192.168.6.1:4458]] TRACE 
org.jboss.remoting.transport.socket.ServerThread  - blocking to read version 
from input stream

The problem is that if no message is sent, the firewall times out that port and 
not 4457. Upon a new message is posted on the topic after the port 4458 has 
timed out at the firewall, the messages is received by the client and then the 
client and server detects a problem on port 4458. However, the client does not 
scale the exception to the Messaging ExceptionListener. Instead, it logs out 
the exception, and just keeps pinging the server on port 4457, which completes 
successfully every time. As I said, the ServerThread working on port 4458 gets 
stuck on a call to wait().

>From that point on, when a new message is posted on the queue, the client does 
>not receive it. 

Should Remoting be informing JBM of the problem if I'm using 
generalizeSockeException? 


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