Hi,

We are trying to connect a legacy server from a stateful session bean via tcp/ip 
sockets. The server is an interpreter which provides applications itself (in a binary 
protocol). As we want to provide these applications on the web, we built a stateful 
bean which acts as a client to this server.

The server usuallly interacts with a windows client or a java applet. When these 
clients are terminated the server also terminates the application it is providing on 
the server side. On the web, situations may occur where I do not notice that a session 
was terminated by the client. So I would like to configure my bean to close the socket 
connection after a certain timeout.

I hoped I could rely on the configurable timeout for session beans in JBoss. But 
although I configured the container as follows:
....
<cache-policy-conf>
 <min-capacity>2</min-capacity>
 <max-capacity>3</max-capacity>
 <remover-period>1800</remover-period>
 <max-bean-life>60</max-bean-life>
 <overager-period>300</overager-period>
 <max-bean-age>600</max-bean-age>
 <resizer-period>400</resizer-period>
 <max-cache-miss-period>60</max-cache-miss-period>
 <min-cache-miss-period>1</min-cache-miss-period>
 <cache-load-factor>0.75</cache-load-factor>
</cache-policy-conf>
....
(I have to add that I turned of bean passivation, as it makes no sense in case of this 
legacy system)

the beans do not seem to be moved to the Not-Exist-State. Thus, the connections to the 
legacy server are kept open forever and in addition to the beans which are kept in 
memory the legacy server keeps all applications/processes in memory, too, as it 
assumes they are still active.

Is there something wrong with the cache-configuration? Can I rely on the socket 
connection being closed when the bean is removed after timeout? Or should I implement 
a timer which removes the beans after a certain amount of time myself? I guess, the 
container should do this...

I am rather new to ejbs so any help is appreciated.

Thanks in advance and regards,
Tobias


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