XML IDOC to Native IDOC Conversion

Question

Hi,
We have a scenario, where we need to convert XML idoc into native idoc and write to a file. I am doing this based on
How To Convert an IDoc-XML structure to a flat file and vice versa in XI 3.0.
When I first executed the scenario, I was getting the following error
Z_ABAP_MAPPING_IDOC_TO_FLAT (type SAP-ABAP, kernel error ID UNCAUGHT_EXCEPTION) An exception with the type CX_SY_REF_IS_INITIAL occurred, but was neither handled locally, nor declared in a RAISING clause Dereferencing of the NULL reference.
After including the try-catch block, now i am just getting a blank file without any conversion.
Can anyone help me on this?
Regards,
Ravi

Answer 1

Hi,
It looks to be error in ABAP mapping
To test ABAP mapping in XI use the transaction SXI_MAPPING_TEST after creating a little scenario in the directory.
Or even you could do this with below sample code
Lets create one ABAP mapping class with the method IF_MAPPING~EXECUTE
data: obj type ref to zcl_abap_mapping_test.
data: source type xstring,
result type xstring.
data: param type ref to IF_MAPPING_PARAM,
trace type ref to IF_MAPPING_trace.
create object obj.
try.
CALL METHOD obj->IF_MAPPING~EXECUTE
EXPORTING
SOURCE = source
PARAM = param
TRACE = trace
IMPORTING
RESULT = result.
CATCH CX_MAPPING_FAULT .
ENDTRY.
This is a link very useful for ABAP Mapping :
http://help.sap.com/saphelp_nw04/helpdata/en/86/8280ba12d511d5991b00508b6b8b11/frameset.htm
Or may be  think this exception you need to catch it in the ABAP..
This may help u- http://help.sap.com/saphelp_47x200/helpdata/en/55/bff20efe8c11d4b54a006094b9456f/content.htm
just cross verify with this guide-
https://www.sdn.sap.com/irj/sdn/go/portal/prtroot/docs/library/uuid/e3ead790-0201-0010-64bb-9e4d67a466b4
Thanks
swarup