<vendor>
WLS RMI/IIOP or WebServices/SOAP clients should not have problems
calling between WLS versions.
WLS's RMI/T3 transport does not support calls between 5.1 and 6.x,
though I believe it will support versions going forward.
</vendor>
-- Rob
On Thu, Sep 06, 2001 at 12:36:17PM +1200, Evan Ireland wrote:
>
>
> Well clearly I wouldn't if I was a WebLogic customer :-)
>
> But if I was a Sybase customer, I might well do this if I
> want to take advantage of scalability features (such as
> eneity bean object caching) in a new server version without
> spending tnes of thousands of dollars having client installations
> upgraded. Bear in mind these client installations might be outside
> my own company and may be very expensive to upgrade. Java applets
> might help but what if the clients aren't written in Java? What
> if they are written in VB?
>
> Should I have to upgrade my browser just because Amazon puts
> in a new web server version? I think not. You may think EJB is
> fundamentally different. I would disagree.
>
> Also, have you considered that some of your clients may be
> themselves servers? In a large enterprise, who wants to have
> to upgrade versions for all of their connected servers just
> because one of them is to be upgraded.
>
> We have even had requests from customers wanting app-server
> clusters with mixed versions. Do I want to simultaneously
> have to upgrade all nodes in my 20-node cluster (taking my
> site down for several days) when I can do it piece-meal and
> keeping my site up. (Note: Sybase EAServer does not support this
> at present, but at least we understand the value of doing so).
>
> True enterprise software vendors understand the importance of
> backwards compatibility. Why throw out the 'old' if it can
> happily 'co-exist' with the new?
>
> Anyway, I think I've had my say and I'll stop my BEA bashing for
> a few weeks :-)
>
>
> > D
> >
> >
> >>-----Original Message-----
> >>From: A mailing list for Enterprise JavaBeans development
> >>[mailto:[EMAIL PROTECTED]]On Behalf Of Evan Ireland
> >>Sent: Wednesday, September 05, 2001 6:10 PM
> >>To: [EMAIL PROTECTED]
> >>Subject: Re: differrence in weblogic 5.1 and weblogic 6.0
> >>
> >>
> >>Dion Almaer wrote:
> >>
> >>
> >>>I understand the need for backwards compatibility. However you have to
> >>>weigh up having your server be backwards compatible,
> >>>to getting rid of that bloat. Depending on what has been changed in the
> >>>server side maybe you really can't be backwards compatible. It may be a
> >>>pain to run your client using the new weblogic.jar etc... but
> >>>
> >>is it *that*
> >>
> >>>much of a pain?
> >>>
> >>
> >>It could be, if you have to install weblogic.jar on 20,000 client
> >>machines.
> >>
> >>
> >>
> >>>D
> >>>
> >>>
> >>>
> >>>>-----Original Message-----
> >>>>From: A mailing list for Enterprise JavaBeans development
> >>>>[mailto:[EMAIL PROTECTED]]On Behalf Of Evan Ireland
> >>>>Sent: Wednesday, September 05, 2001 4:52 PM
> >>>>To: [EMAIL PROTECTED]
> >>>>Subject: Re: differrence in weblogic 5.1 and weblogic 6.0
> >>>>
> >>>>
> >>>>Cedric,
> >>>>
> >>>>Whatever happened to backwards compatibility?
> >>>>
> >>>>Why shouldn't older clients be able to talk to newer servers?
> >>>>
> >>>><vendor>
> >>>>
> >>>>Still, perhaps it's better if you leave it thay way. If you annoy enough
> >>>>of your customers, we might win some more business for Sybase EAServer.
> >>>>
> >>>></vendor>
> >>>>
> >>>>Cedric Beust wrote:
> >>>>
> >>>>
> >>>>
> >>>>>>From: A mailing list for Enterprise JavaBeans development
> >>>>>>
> >>>>>>
> >>>>>>this client code works fine with weblogic 5.1 but it gives following
> >>>>>>error in weblogic 6.0
> >>>>>>
> >>>>>>Exception in main() :javax.naming.CommunicationException
> >>>>>>
> >>[Root exception
> >>
> >>>>>>is weblogic.socket.UnrecoverableConnectException: [Login failed:
> >>>>>>'Incompatible version:Incompatible versions - this server:6.0.0b2
> >>>>>>client:5.1.0]]
> >>>>>>
> >>>>>>can any one please help me and let me know what should I do
> >>>>>>
> >>>>>>
> >>>>>>
> >>>>>You cannot communicate between client and servers with
> >>>>>
> >>>>>
> >>>>different versions.
> >>>>
> >>>>
> >>>>>Make sure you compile and run your client with Weblogic 6.
> >>>>>
> >>>>>--
> >>>>>Cedric
> >>>>>
> >>>>>
> >>>>>
> >>>>>
> >>>>==================================================================
> >>>>=========
> >>>>
> >>>>
> >>>>>To unsubscribe, send email to [EMAIL PROTECTED] and include
> >>>>>
> >>>>>
> >>>>in the body
> >>>>
> >>>>
> >>>>>of the message "signoff EJB-INTEREST". For general help, send email to
> >>>>>[EMAIL PROTECTED] and include in the body of the message "help".
> >>>>>
> >>>>>
> >>>>>
> >>>>>
> >>>>>
> >>>>>
> >>>>==================================================================
> >>>>=========
> >>>>To unsubscribe, send email to [EMAIL PROTECTED] and include
> >>>>in the body
> >>>>of the message "signoff EJB-INTEREST". For general help, send email to
> >>>>[EMAIL PROTECTED] and include in the body of the message "help".
> >>>>
> >>>>
> >>>>
> >>>
> >>>
> >>==================================================================
> >>=========
> >>To unsubscribe, send email to [EMAIL PROTECTED] and include
> >>in the body
> >>of the message "signoff EJB-INTEREST". For general help, send email to
> >>[EMAIL PROTECTED] and include in the body of the message "help".
> >>
> >>
> >
> >
> >
>
> ===========================================================================
> To unsubscribe, send email to [EMAIL PROTECTED] and include in the body
> of the message "signoff EJB-INTEREST". For general help, send email to
> [EMAIL PROTECTED] and include in the body of the message "help".
===========================================================================
To unsubscribe, send email to [EMAIL PROTECTED] and include in the body
of the message "signoff EJB-INTEREST". For general help, send email to
[EMAIL PROTECTED] and include in the body of the message "help".
