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JSP development using SAP WEB AS

Posted on Dec 27, 2004 at 12:57 PM 12 Views

Hello Friends,

I have few confisuions and would be great if some one help me in this regard,

Actually I listen the following presentation

Here

the guy showed the possibilites of development using WEB AS. On slide "Two Personalities in One Application Server" he showed a Arch-diagram of Web AS of combining J2EE and ABAP worlds. Things are clear to me till here!

But when he came to JSP/J2EE development using Web AS 6.20, he start talking about SAP JCo using JSP. !

The diagram which in shows in the slides, gives me the idea that, we can do the programming and use the SAP Backend system using JSP similar too that of BSP ( means without using RFC calls). but he start discusing the JCO using WEB AS. ?

I think I am clear engough, !

Many thanks!

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  • author's profile photo Former Member
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    Posted on Dec 27, 2004 at 01:04 PM
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    Hi Marek,

    1. The only way to access an ABAP system from the Java/J2EE/JSP "world" in a programmatic way is to use JCO (there are other ways using Web services the ABAP system exposes or IDOCs, but that's not what we are talking about here).

    2. Each function of the ABAP system you're using with JCO finally ends in a RFC call to the ABAP system.

    So the conclusion is, that there's simply no way to communicate with an ABAP system without using RFCs. It makes no difference if you invoke the JCO calls from a Java application or inside a JSP.

    Hope that helps.

    Regards

    Stefan

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