Connecting clients to DurSubs

hergaty Aug 25, 2003 2:40 PM

After a lot experiences with Durable Subscriptions I have one question which answer could solve all my problems with it.

My major problem is that if my swing-clients internet connection brokes or the application crashes its connection to a durable topic on my JBoss will not be disconnected cleanly. Then I restart the client and the connection to the durable topic fails with:
"The login id has an assigned client id. That client id is already connected to the server!".

Can I patch JBoss in any way that it follows this behavior:
If a client connects with an existing clientID, cut the old connection and give it to the new client.

Thanks for any advice,
Thomas

1. Re: Connecting clients to DurSubs

nphelps Aug 25, 2003 11:32 PM (in response to hergaty)

If you're using 3.2, take a look at the jbossmq-service.xml file... there is an interceptor, ClientReconnectInterceptor, that is commented out which is designed to address this issue. It isn't the ideal behavior in most cases, but I think it meets your requirements exactly.
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2. Re: Connecting clients to DurSubs

hergaty Aug 29, 2003 9:38 AM (in response to hergaty)

Thank you very much,

you're right, the description says that it exactly meets my requirements, but it still doesn't work. I still get the exception, that I'm already connected to the server with that clientID.

What about the new implementation of JMS in JBoss 4. Is it completly new? Is it better?

Thomas.
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3. Re: Connecting clients to DurSubs

adrian.brock Aug 29, 2003 2:01 PM (in response to hergaty)

Try using UIL2 it has a read-time out parameter
for detect vanishing clients.

The same has been added to OIL in 3.2.2RC3

Regards,
Adrian
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4. Re: Connecting clients to DurSubs

hergaty Aug 30, 2003 8:34 AM (in response to hergaty)

Hi Adrian,

thanks for your reply. I'll try UIL2, but I'm using JBoss 3.2.0. Should I use it with or without the ClientReconnectInterceptor?

Regards,
Thomas
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5. Re: Connecting clients to DurSubs

adrian.brock Aug 30, 2003 11:15 AM (in response to hergaty)

The ClientReconnectInterceptor is not required.

Regards,
Adrian
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