Re: AW: JCA on Web server

Hi Lim,
 You can use JCA adapter in non-manage environment also...but if you want to
use JCO, attached is a tutorial for your help.

Regards.
Manish.

-----Original Message-----
From: A public list for J2EE Connector architecture interest.
[mailto:[email protected]]On Behalf Of Lim Huat Heng
Sent: Tuesday, March 18, 2003 3:26 PM
To: [email protected]
Subject: Re: AW: JCA on Web server


Iris Peter:
  I am really glad for your reply. From your explanations, does that mean
that if I use Java (but running in web server), then I can use JCO, thus no
need an application server? If so, could you please elaborate more on how I
could achieve it? Thanks.

> Hi Lim,
>
> 1) The JCO is not conform to JCA standards as it doesnt use a common >
lient interface to access the ERP but directlcy access SAP via RFC . > Also
JCo is a bi-direktional interface whereas the current JCA standards > only
allows uni-directional interfaces .
>
> 2) yes it does need a J2EE server to faciliatate services like system >
management, clustering, security etc. I think the only chance you can do >
it without is directly calling the RFC although Im not sure about the >
performance impacts and the scalibility.
> if your application is not only JSPs but also java it would work with >
JCo
>
> 3) Regarding JcO have a look at the SAP pages . Also look at the SAP >
WebAS page for more infos
> http://help.sap.com/saphelp_webas620sp9/helpdata/en/e1/8e51341a06084de100>
00009b38f83b/frameset.htm
> you can donwload the connector az service.sap.com/connectors but you >
need authorization for that.
> http://www.sap.com/australia/teched/tuesday/HO3Fewster.pdf is also an >
interesting intro.
>
>
> I hope that helps,
>
> Iris Peters
> EAI Architect
> SPM technologies Germany Berlin
>
> -----Ursprüngliche Nachricht-----
> Von: Lim Huat Heng [mailto:[email protected]]
> Gesendet: Dienstag, 18. März 2003 09:38
> An: [email protected]
> Betreff: JCA on Web server
>
>
> To anyone who may advice:
>     I am currently evaluating the feasibility of integration between a >
web- based application (written in JSP and running on Jakarta Tomcat) > and
SAP system, in which, I will only want to 'download' data from SAP.
>     I have searched in the Internet and found that there are few >
architectures that could help me in achieving the objective. However, I > am
confused and would like anyone who may advice to clear my following >
doubts:
> 1) What is the differences between J2EE Connector Architecture (JCA) and >
SAP Java Connector (JCO)?
> 2) Does J2EE Connector Architecture really need to be implemented on an >
application server? In order words, can I achieve the above objective by >
using JCA but still running the system on web- server (particularly >
Jakarta- Tomcat)
> 3) What is the best practice to develop such a system (to achieve the >
above objective)?
> 4) Any good examples/ references (including source code/ demo page) that >
I could refer to?
>      Thanks.
>
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