>>(Note: Sybase EAServer does not support this
>>at present, but at least we understand the value of
>>doing so).
Oh I love this. Thank you for clarifying Sybase's
position on this issue, Evan.
As an aside, I would like to announce my own J2EE
offering. Well... I don't actually have one... yet,
but I too understand the value of a J2EE server. Any
takers ?
Give us all a break.
//Nicholas
--- Evan Ireland <[EMAIL PROTECTED]> wrote:
> Rob Woollen wrote:
>
> > <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>
>
>
> That's good to hear. And I would be interested to
> know if you agree
> that some customers find this sort of compatibility
> important in an
> Intranet/Extranet or Internet deployment
> configuration.
>
>
> > -- 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
> >>>>>>>
> >>>>>>>
>
=== message truncated ===
=====
Nicholas Whitehead
Home: (973) 377 9335
Cell: (973) 615 9646
Work(@ JP Morgan): (212) 235 5783
[EMAIL PROTECTED]
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