I am surprise someone can still bring back this topic, actually, what I
did is created a thread at both side, which do the lookup every 5
minutes.
this will keep the RMI connection wake and never been GC.....
Kevin Li
____________________________________
Apple Computer, Inc
1 Infinite Loop,
Cupertino, CA 95014-2084
____________________________________
On Aug 26, 2004, at 3:32 AM, SUBSCRIBE RMI-USERS iMac wrote:
On Sun, 30 Sep 2001 13:32:15 -0700, Kevin Li <kevinli@xxxxxxxxx> wrote:
Thanks joe,
do you think it will help to do reconnect (lookup() ) from client site
when
ever the connection was lost ?
since either restart server or client will fix this problem...
Thanks
Kevin
On Friday, September 28, 2001, at 04:58 PM, Joseph Dane wrote:
"Kevin" == Kevin Li <kevinli@xxxxxxxxx> writes:
Kevin> Dear Members.
there are a few things you could try.
1) keep a reference to the RMI server somewhere other than the
registry. since you've got a singleton, you could have a static
variable somewhere to hold the reference. then, even if the
registry fails to renew the lease, the server won't be GC'd.
Kevin> For this point, you mean doing this from client side or
server
Kevin> side ? eg.
I meant from the server side. that way, even if the DGC fails for
some reason, there will always be a strong local reference to the
server, so it won't get reaped.
it's not enough to have a local variable (e.g. in main()), because
this will go out of scope as soon as main() returns. I meant
something like
public class Server extends UnicastRemoteObject implements MyRemote {
public static Server theServerRef;
Server() throws RemoteException { ... }
public static void main(String[] args) {
Server.theServerRef = new Server();
Naming.rebind( ... );
...
}
}
also, if the static field were declared 'private', and not referenced
anywhere else in the code, I suppose a smart enough GC could figure
out that the reference to the server could never escape, and collect
it. I can't believe GC's are that smart, but IANAGCW(*).
(*) I Am Not A Garbage Collector Writer
--
joe
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Hello guys,
Any result and final solution for this excepiton? I also encounter this
problem recently. My enviroment is: Solaris 8 with JDK 1.3.1
it will happen when server starting for 2 hours.
Has the remote object really been GC'ed?
Thanks,
iMac
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For a list of frequently asked RMI questions please refer to:
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