How to Execute WebDynpro Applications as Background Job ?

Hi Gurus,
We have developed a lot of WDJ applications with component reusage; ie,
quite a lot of business logic are wrapped in WDJ Components which are
re-used by other WD UIs.
Now we'd like to automate some of the processes with background jobs
and faced with a few problems :
#1. How can we write a background WD application which can be
triggered by external mechanism and without presenting any UI?
#2. If we write the background program in a Java DC, how can we
invoke existing methods in WD components ?
Anyone got a clue ??
Ying-Jie Chen

Hello Amit,
> Well I can think of a workaround in this case.If you are aware
> of the suspend-resume functionality of the WD application then
> its possible to run the WD application virtually in background.
[ stuffs deleted ...]
It sounds like a possible alternative to our requirement, I'll
spend some time to investigate on the WD suspend-resume mechanism !
> Also let me know why are you preffering the WD if you dont
> require its UI
Our application requires the process to be performed with UI interaction;
with some instances it should be run as a background job. Either case involves
RFC calls to backend SAP R/3 and it's easy for RFC access with WD
Component. Though it's also possible to use CAF application service for
RFC access; due to some technical constrains, we did not use CAF
framework. Therefore it ends up where we are now ...
Thanks for your tip!
Ying-Jie Chen

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