Re: Develop on Panther deploy on Jaguar
Re: Develop on Panther deploy on Jaguar
- Subject: Re: Develop on Panther deploy on Jaguar
- From: Denis Stanton <email@hidden>
- Date: Sat, 6 Dec 2003 17:06:42 +1300
Thank you Mankit and Karl for your replies
It seems to come down to "do I feel lucky?". Karl's test, and my own
non-rigorous experiment, both suggest that it will work ( with
java1.4.1 installed on the Jaguar system), but the official advice is
not to do this.
It comes down to a judgment call. If it works I've gained a little in
my work environment, but if it goes wrong then I would find myself
explaining to my client that their system has become unstable because I
was impatient to get onto Panther. I think I'll have to take the
safest course and wait. There seems to be a possibility that the
client will buy a new server soon. If that comes with Panther
installed then the problem will be resolved because while they see no
reason to upgrade from Jaguar to Panther right now they are unlikely to
downgrade a new purchase from Panther to Jaguar.
Denis
On Saturday, December 6, 2003, at 02:36 PM, Karl Gretton wrote:
Well actually, it seems to work just fine. Just make sure that you
use the JVM 1.4.1 AND copy the 5.2.2 frameworks over to Jaguar.
I just range a regression test against the app and obtained identical
results running against 5.2.2 on Panther and on Jaguar.
It doesn't guarantee that you will...I am sure that the only supported
way is 5.2.2 on Panther.
But hey...it's Java.
Karl
On Dec 5, 2003, at 7:03 PM, Mankit Sze wrote:
On Dec 4, 2003, at 1:29 PM, Denis Stanton wrote:
I asked this question before and received wise but possibly
contradictory advice. It occurs to me that this could be because
the question may have been ambiguous. Or it may be just different
levels of optimism and experience.
The question is this.
Can I upgrade my development system to Panther, XCode, WO 5.2.2
while deploying the built applications on Mac OS X 10.2.8?
A couple of respondents said they were doing this without finding
any problems.
One very knowledgeable poster said it would be asking for trouble.
I would strongly advise against developing your applications with
5.2.2. on Panther and then deploying them on 5.2.1 on Jagular. All
java frameworks in WebObjects 5.2.2, to name a few examples
JavaWebObjects.framework, JavaFoundation.framework,
JavaEOControl.framework, etc, are all compiled against Java Virtual
Machine ver. 1.4.1. Java frameworks in WebObjects 5.2.1 were compiled
with JVM 1.3.1. Do you think it'd work, if you compile your
applications with 1.4.1 and then run it on 1.3.1 ? The answer is NO.
You may ask "What if I change the default JVM to 1.4.1 on Mac OS X
Server 10.2.8 ? The answer is still NO. You may try it and you would
run into NoClassDefFoundError.
Here's the bit I didn't ask:
Would I have to install WO 5.2.2 deployment on the OS X 10.2.8
deployment machine? Maybe some respondents were assuming that I
meant this and others were not. Maybe it is not even possible to
install 5.2.2 on OS X 10.2.8.
The only legal way to get the WebObjects 5.2.2. Deployment is to
upgrade your OS to Panther Server.
Mankit
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Denis Stanton
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