Sorry, "connectionless" was admittedly a poor choice of words. Typically, that applies to UDP protocols (SNMP, TFTP, and the like).
In most applications of RMI, a client-server RMI connection is not a long-lasting one. By long-lasting, I mean a connection that survives across multiple method invocations. The client opens the connection, makes a call, gets the result, and closes the connection. Unlike a typical database connection, where the connection lives across requests. Therefore, there is really no simple way to trap 'disconnects' from the server.
mike
-----Original Message-----
From: Richard Stack [mailto:[EMAIL PROTECTED]]
Sent: Friday, June 06, 2003 1:31 PM
To: [EMAIL PROTECTED]
Subject: Re: [JBoss-user] Some J2EE Design Questions
Hello Mike,
Could you explain what you mean when you say "RMI is a connectionless
protocol (not a persistent connection)"
Richard
Finn, Michael wrote:
> 1. If EJB Timer (2.1) does not fit the bill for you, an MBean is a
> typically a good solution for this problem. Depends on what you mean by
> service.
> 2. Since RMI is a connectionless protocol (not a persistent connection),
> there is really no 'disconnect' event. Your best bet is probably to use
> shutdown hooks in your client, and make last ditch effort to do the
> logout there.
>
>
> mike
>
> -----Original Message-----
> From: Sasidharan, Manoj [mailto:[EMAIL PROTECTED]]
> Sent: Friday, June 06, 2003 3:33 AM
> To: [EMAIL PROTECTED]
> Subject: [JBoss-user] Some J2EE Design Questions
>
> Hello All,
>
> 1. How can a daemon process/service implemented in J2EE world? Any
> design pattern?
> 2. Is there any way to trap J2EE client disconnect events - we want
> to timeout user sessions if they fail to logout properly from our
> J2EE app and disconnect from App Server
>
> Thanks in advance for your time in helping me with these design issues.
> MS
>
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