Hi,
Sorry, but 3068 is not the "well known" port of any service in Jonathan. To
check whether this connection is really opened by Jonathan (which is
certainly the case), just run your server with the
-Djonathan.tcpcip.verbose=true option.
If you run the registry and your application in different virtual machines,
you normally need two connections, one for the registry, the other for the
your server.
If it is not the case, I can see one (untested) reason for Jonathan opening
several connections. The execution in Jonathan is represented by a Kernel
object, storing the different properties of the Jonathan services. Jonathan
2.x is not very clever at finding out whether two Kernels are different
form the viewpoint of a given service, and simply checks the equality of
the Kernels. This may lead to the unnecessary duplication of some services,
including protocols. Jonathan 3.x does a better job and only duplicates
services when necessary.
Best regards,
Bruno
Joe Gittings wrote:
> Hi,
>
> We're doing some firewall configuration here, to expose my (properly
> secured :) EJB server to the outside world.
>
> I've been surprised to find that as well as the port specified in
> java.naming.provider.url, it appears to be necessary to open port 3068.
> Every client connection to the EJB server is accompanied by an active
> TCP connection on this port. When I try accessing the EJB server from
> outside the firewall, client connections to the EJB server fail if port
> 3068 is not open in the firewall.
>
> For this firewall testing, I am using a previous release of my software
> running on Jonas 2.1.1 (Jeremie). [So far I've only moved my current
> development build to 2.2.4].
>
> The real mystery is, I've searched the whole of the Jonas 2.2.1
> installation including the source, and all the source for Jonathan
> 2.0.1, for the string "3068" and found nothing! I also tried searching
> the objectweb site for "3068" and found no matches. (Unfortunately it
> appears that ht://Dig does not search correctly for numbers, since doing
> a search for "1099" also returns no matches!)
>
> My guess is that this port is used by one of the services in Jonathan.
> But it would be nice to be able to look our sysadmin in the eye and tell
> him exactly what. Does anyone know?
>
> Joe
>
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Bruno Dumant
Kelua
9 rue de la Brocardière
69570 Dardilly - France
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fax: +33 4 37 49 63 91
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