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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