What is tthe role of ABAP Engine in EP server

Hi to All,
do any one of u let me know the role of ABAP engine in EP server! How can i make use of ABAP Engine. I know to work with J2EE Engine, but generally what we will do in ABAP Engine.
It looks to u all as a silly question, but i am not clear of this function, so i need a detail explanation of this.
Regards,
Sireesha.

Hi,
before there was a WAS 6.20 (Web Application Server) SAP's R/3 Applications were build up on the so called R/3 Basis System. One part of the R/3 Basis was the APAP/4 Runtime. This was true until R/3 version 4.5.
In parallel SAP started to develop a J2EE Application Server. They founded/buyed a company in Bulgaria called InQMy. You might know that the portal version EP5.0 was based on the InQMy J2EE engine.
Since R/3 4.7 the old R/3 Basis is called "Web Application Server" (WAS 6.20). Additional to the ABAP/4 Runtime this WAS contains the former ITS (Internet Transaction Server" and the BSP's (Business Server Pages). The old ABAP/4 Runtime is now called "ABAP Stack".
The old InQMy J2EE Server is now called "J2EE Engine" or "JAVA Stack".
With Release 6.40 of the WAS it contains both the ABAP Stack and the JAVA Stack.
Now to Your Question. A standarad EP installation just contains the JAVA stack of the WAS. The ABAP stack normally is not installed, because it is not used by the EP. You could install the ABAP stack in addition. But for what purposes ? Well if You would like to develop a webapplication based on BSP.
If You are allread running an R/3 System it contains an ABAP Stack but normally no JAVA stack.
The Java Stack of the EP Server can call the ABAP Stack of an R/3 System via RFC (remote function call).
More confused now ?

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http://www.sappoint.com/abap/ale2.pdf
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http://www.sapgenie.com/sapgenie/docs/ale_scenario_development_procedure.doc
http://edocs.bea.com/elink/adapter/r3/userhtm/ale.htm#1008419
http://www.netweaverguru.com/EDI/HTML/IDocBook.htm
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http://www.sappoint.com/abap/ale.pdf
http://www.sappoint.com/abap/ale2.pdf
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http://help.sap.com/saphelp_erp2005/helpdata/en/0b/2a60bb507d11d18ee90000e8366fc2/frameset.htm
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http://www.sapgenie.com/sapgenie/docs/ale_scenario_development_procedure.doc
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NW

>
NW wrote:
> Experts,
>
> 1) What's the role of a Technical Consultant (ABAPer) in BPC/OutlookSoft?
> 2) Do ABAPers perform the Conversions/Transformations/Mappings etc?
> 3) Are the data imports and exports done by ABAPers?
>
> NW
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Dear all,
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>>Do we map SAP_J2EE_ADMIN role to a portal role or assigning a user in ABAP with role SAP_J2EE_ADMIN will automatically gives him the ability to create a user in UME or any admin functions in J2EE
No mapping required. Automatically it will give administration rights
>> what happens if user has SAP_J2EE_ADMIN role in ABAP system with out having access to Netweaver J2EE Engine, can he create users in JAVA side without actually logging in there.
if user has SAP_j2ee_admin in abap side, he can loging to Java URL. He can do all administration tasks, like user creation, role assignment etc in UME.
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*What Are The Roles Of These Accounts Bridging, Non-Invoiced Sales Orders And Non-Invoiced Revenue in Periodic Account Assignments form? [ID 1335054.1]*
The Expense account is there to accommodate European accounting practices.
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User Guide
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Edited by: Deepkumar Sivanandan on Aug 25, 2012 11:56 PM

Hi Thaman,
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Hi Naveen,
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