File to Proxy Scenario using ABAP Class and DB Multi Connect

Hello Friends,
I have a scenario below and a proposed solution. I would like some input as to whether i am headed the right way.
Scenario: Thousands of records come in from the legacy accounting system. The fields of these records need to be mapped to SAP fields using cross-reference tables stored in DB2. Finally, summarize the records by deleting a few fields and feed to R/3.
Solution i proposed:
(1) File Adapter is used to send the file
(2) Although JDBC adapter comes first to mind but since i need to access the DB2 tables multiple times for each record i propose to use an ABAP class for the mapping. Within the ABAP class the intent is to open an database connection to DB2, read the relevant cross tables using native SQL and finally generate the output XML.
(3) Reciever is Proxy which feeds this generated XML to SAP for creating posting via BAPI_ACC_DOCUMENT_POST
Question: Is the above solution correct or is there a better method to implement this scenario?
Please let me know.
Thanks,
Minhaj.

Looks fine. Few observations -
1. Whether it is ABAP class or Mapping in RFC lookup, you are making multiple trips to the database.
2. It looks like PI is being used only for reading the file and converting it to XML.
3. If using PI is not mandatory, then a complete ABAP class on ECC it self would be faster than swtching between PI Java, PI ABAP then round trips to DB2 finally data push to ECC.
If you could look at something like fetching all the required RFC look up data in one go and then map the fields according, might save u on processor and network resources.
VJ

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Hello Navneeth
The following sample report shows how to build and modify a fieldcatalog (routine <b>BUILD_FIELDCATALOG_KNB1</b>).
*& Report ZUS_SDN_ALVGRID_EVENTS
REPORT zus_sdn_alvgrid_events.
DATA:
gd_okcode        TYPE ui_func,
gt_fcat          TYPE lvc_t_fcat,
go_docking       TYPE REF TO cl_gui_docking_container,
go_grid1         TYPE REF TO cl_gui_alv_grid.
DATA:
gt_knb1          TYPE STANDARD TABLE OF knb1.
PARAMETERS:
p_bukrs      TYPE bukrs DEFAULT '2000' OBLIGATORY.
*       CLASS lcl_eventhandler DEFINITION
CLASS lcl_eventhandler DEFINITION.
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CLASS lcl_eventhandler IMPLEMENTATION.
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*   define local data
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      ls_col_id   TYPE lvc_s_col.
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    CHECK ( ls_knb1-kunnr IS NOT INITIAL ).
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*        NOTE: no parameter id available, yet simply show the priciple
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      OTHERS          = 4.
IF sy-subrc <> 0.
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*              WITH SY-MSGV1 SY-MSGV2 SY-MSGV3 SY-MSGV4.
ENDIF.
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*      CONTAINER                   =
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      OTHERS                      = 4.
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MODULE status_0100 OUTPUT.
SET PF-STATUS 'STATUS_0100'.
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*       text
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*       text
* --> p1        text
* <-- p2        text
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*     I_CLIENT_NEVER_DISPLAY       = 'X'
*     I_BYPASSING_BUFFER           =
*     I_INTERNAL_TABNAME           =
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Regards
Uwe

Error in FILE 2 Proxy Scenario

Hi All,
I am doing File to Proxy Scenario i am getting following error
Could any one provide the solution for this.
*<?xml version="1.0" encoding="UTF-8" standalone="yes" ?>*
*- 
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<SAP:P4 />
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</SAP:Error>
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Hi Mahesh,
1) Use SPROXY transaction.
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2) check in the interface determination if u are using correct
inbound interface.
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and create new.
Regards,
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HTTP returns status is 500(Internal Server Error)
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File to Proxy Scenario using ABAP Class and DB Multi Connect

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