Re: Web development vs production

John,

As Matt mentioned that Web application is a very big topic. I don't know what is your goal - pure java or make using existing RPG program.
If you are going to using existing RPG program, don't forget the exception error. Tradition RPG sends the message to the message queue of workstation. However, in the client/server environment, the message will be sent to QSYSOPR. For example there is message - duplicated record. The client is just hang.... until someone response the message. However, most of companies won't monitor the Qsysopr message queue every seconds. So... just keep it in mind. There are a lot of examples to tell you how to make it work but.... don't forget the exception handling. It will kill you once your system in production and become bigger and if you never consider the exception.

Kevin


----- Original Message ----
From: John W. Ebrecht <johnw.ebrecht@xxxxxxxxx>
To: Websphere Development Studio Client for iSeries <wdsci-l@xxxxxxxxxxxx>
Sent: Friday, May 9, 2008 11:54:08 AM
Subject: Re: [WDSCI-L] Web development vs production

Matt: Thanks for the information and for pointing me in the right
direction..


On Fri, May 9, 2008 at 12:45 PM, Haas, Matt (CL Tech Sv) <
matt.haas@xxxxxxxxxxx> wrote:

John,

The answers to these questions could fill a book (or two) and some of it
depends on what you're using to develop the apps and where it's deployed to.
This would be a much better discussion for the WEB-400 list (WDSC is a tool
so this is a bit like asking how to build a house on a hammer mailing list).
In fact, searching through the archives of that list will likely turn up the
answers to some of these questions.

That said, the two key things to learn are how the HTTP protocol works and
HTML. Those two things are the basis upon which web applications are built.
I would also recommend learning about how CGI works since all web
programming conceptually works the same way (there are implementation
details that are different with Java and .Net). HTTP, HTML, and CGI are
pretty simple things to learn.

A good place to start for HTML would be http://www.w3schools.com. The book
"Pro Apache" (
http://www.amazon.com/Pro-Apache-Third-Experts-Voice/dp/1590593006/ref=pd_sim_b_title_1)
is good and has topics on HTTP, CGI, and DNS (which covers your URL
question) and is much, much better than the IBM documentation. It also
covers the HTTP server that you will be using (unless you're running an OS
older than V5R1 or front ending it with some other platform).

Matt

-----Original Message-----
From: wdsci-l-bounces@xxxxxxxxxxxx [mailto:wdsci-l-bounces@xxxxxxxxxxxx]
On Behalf Of John W. Ebrecht
Sent: Friday, May 09, 2008 12:38 PM
To: WDSCI-L@xxxxxxxxxxxx
Subject: [WDSCI-L] Web development vs production

I'm a legacy developer with an opportunity to get to work in a web
environment and I am in need of some guidance about this process from the
conceptual level ...

- 'Is there any publication that describes web application development vs
deploying to production using websphere?
- Does the development to production protocol follow the green screen
methodology? Will we have a development environment, a 'unit test'
environment and a 'system test' environment on the development LPAR (box)
and then deploy (promote) this to production?
- How does the URL for development get launched from a browser? Different
Domain name?
- What kind of operation support is required? Will the operations team
have a learning curve on the subsystems and jobs? Which publications
might
describe that?

Thanks
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