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Honestly, I am the middle man here.

Web service: We want a middle tier to use SOAP (or whatever it's called) to
and from our web server. The java web service would communicate with the
System i, MS SQL and other required databases. This way we only have one
hole through the DMZ to a specific server (if we can even do that).

We are in the planning stages on this and are first determining if we should
do RPG, Java, or .NET. The web developer said he would like to use Enterpise
java beans and didn't think the JVM on i5/OS supported it without the
full-blown WebSphere App. Server. I thought it would and we could just
install JBoss to make use of them.

On 5/3/07, Joe Sam Shirah <joe_sam@xxxxxxxxxxxxx> wrote:


Hi Mike,

I think there are opportunities for miscommunication here. "Web
service" means something specific to most Java developers and that's
something substantially different from just accessing multiple databases.

Secondly, your answer really doesn't tell us anything about the
"enterprise" needs of your application(s.) So we can't really say if just
a
web container like Tomcat or Jetty is sufficient or if you need something
that supplies more services. There are a lot of options around.

"persistent data connections" doesn't sound like a very good idea at
first, but that's essentially what connection pools provide, and you
should
probably look to using those regardless of whether you use a web or
J(2)EE container. There are also a number of other factors that
contribute
to database related performance beyond just connection persistence.


Joe Sam

Joe Sam Shirah - http://www.conceptgo.com
conceptGO - Consulting/Development/Outsourcing
Java Filter Forum: http://www.ibm.com/developerworks/java/
Just the JDBC FAQs: http://www.jguru.com/faq/JDBC
Going International? http://www.jguru.com/faq/I18N
Que Java400? http://www.jguru.com/faq/Java400


----- Original Message -----
From: "Mike" <koldark@xxxxxxxxx>
To: "Java Programming on and around the iSeries / AS400"
<java400-l@xxxxxxxxxxxx>
Sent: Thursday, May 03, 2007 3:01 PM
Subject: Re: Enterprise Java


> The lead web developer wants to use persistent data connections to
> databases. This web service would grab data from MS SQL, the System i,
and
> untold # of other databases for use on the main City website. So speed
is
> the key here.
>
> On 5/3/07, Pete Helgren <Pete@xxxxxxxxxx> wrote:
> >
> > Mike,
> >
> > It depends what you mean by "Enterprise Java web service". WAS
Express
> > (included with i5/OS) and WAS CE (Community Edition), a free
> > implementation of the Geronimo project, would be IBM supported
> > alternatives as well. JBOSS would work as well. Tomcat could also
fill
> > the bill. A bit more about about your application might be helpful.
> >
> > Pete Helgren
> >
> > Mike wrote:
> >
> > >We are looking at the possibility of a Enterprise Java web service
for
> > >communication between the public web server and all internal
databases.
> > We
> > >would like to avoid purchasing the full WebSphere Application Server
as
> > was
> > >wondering if using JBoss would work?
> > >
> > >
> > >
> >
>
>
> --
> Mike Wills
> http://www.linkedin.com/in/mikewills
> Blog - http://mikewills.name
> Podcasts - http://podcastmike.com
> --

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