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SAP Gateway Changeset - Error handling -> Error Message Rollback because of error

Hey guys,

I developed a batch request as changeset (Multiple create, update, delete operations). If an error occured in a single operation I raise exception /iwbep/cx_mgw_busi_exception with a custom message (see method changeset_process). The custom message is captured in /IWBEP/ERROR_LOG but the response shows a generic error message: "Rollbacked because of error during changeset processing (/iwbep/cm_mgw_rt, 049).

I want to populate all my custom messages to the response, so that the messages can be shown in the frontend.

How can I achieve that? Thanks for your help.



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  • Hello Christoph, did you find a solution to your problem?

    We have a similar scenario: When raising a /iwbep/cx_mgw_busi_exception during changeset_process the message gets overwritten by "Rollbacked because of error during changeset processing".

    This only happens in the cloud (OData Provisioning/Gateway as a Service). In our on-premise environment everything works as expected.

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1 Answer

  • Posted on Feb 14, 2019 at 07:36 PM

    Hi Christoph Metz

    You need to use the message container and add all the messages to it. At the end raise the exception by passing the message container to it.

    For code you can see the below example on how to access the message container and add the messages:

    Don't forget to pass the message container to the exception you will raise.



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    • Hey Mahey,

      the method changeset_process doesn't have a parameter io_message_container.

      I tried following, but still not working:

        METHOD /iwbep/if_mgw_appl_srv_runtime~changeset_process.
          DATA: ls_changeset_respone TYPE /iwbep/if_mgw_appl_types=>ty_s_changeset_response.
          LOOP AT it_changeset_request ASSIGNING FIELD-SYMBOL(<s_changeset_request>).
            "DATA(lo_message_container) = me->/iwbep/if_mgw_conv_srv_runtime~get_message_container( ).
            <s_changeset_request>-msg_container->add_message( iv_msg_type   = 'E'
                                                              iv_msg_id     = '/ZTEST/BC'
                                                              iv_msg_number = 009
                                                              iv_msg_v1     = 'TEST' ).
            RAISE EXCEPTION TYPE /iwbep/cx_mgw_busi_exception
              MESSAGE ID '/ZTEST/BC'
              TYPE 'E'
              NUMBER 001
                message_container = <s_changeset_request>-msg_container.




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