Web Services from ABAP function modules return values- leading zeros

I am using several web services from SAP CRM (5.0) that were created from Function modules ( I am assuming that that they are in ABAP).
I can call the web services fine and they work as expected, but I am seeing a lot of leading zeros in the return values of fields in tables from the Web service.
The ABAP ers are telling me that they cannot see the leading zeros.
So my question is where these are appended to the values in the whole process. When I execute the Function Module in SAP CRM from transaction SE37 I can see the leading zeros. So I think that this is something that has to be handled by the ABAP ers and not in the client consuming the web service.
Are the functions in SAP CRM that can remove leading zeros for fields in a table (that is an export parameter?)
Jawahar

Hello Jawahar
If you run your (RFC-enabled) function modules using the SAP-GUI (i.e. in dialog) then the GUI automatically replaces leading zero when the function module returns any data. However, calling the same function module remotely you will always see these leading zeros.
These so-called conversion exits are defined as attribute of domains in the ABAP dictionary. If the function module used for the WebService is a standard fm then you have little chances to get rid of the leading zero. Perhaps the WebService has some attribute to suppress conversion exits or activate them when retrieving the data.
Regards,
Uwe

Similar Messages

Error while generating Web Service from a function module.

Hi Experts,
I am trying to create a web service from function module by doing the steps as mentioned in the below document:
http://www.sdn.sap.com/irj/scn/index;jsessionid=(J2EE3417800)ID1146834250DB10778842957931285337End?rid=/library/uuid/80fa3dff-ce76-2a10-3f94-f3df8f2db5a2&overridelayout=true
When i save it as an local object instead of generating the Web Service it gives me the below error:
"Error during activation of Web Service"
Kindly let me know what needs to be done inorder to resolve this issue.
I have a feeling that this error may be with respect to some authorizations, in that case how do we resolve it
Helpful Inputs Awaited.!!!
Thanks
Dhwani

Hi Dhawani,
Hi Pavan,
Can you please elaborate...how this will help??
Thanks
Dhwani
I dont know the specific reason but internally there may some inconsistancy but i faced the same error and i tried with saving it in the package.
Thanks

Web Service from RFC function module

Hi all,
I'm searching for a way to create web services from RFC-enabled function modules. I know there is a wizard, but it's not suitable for my problem:
I have around 30 function modules (number raising in near future) I want to enable for web services, most of them share the same structures representing the underlying data model. When one structure is modified (i.e. a new sub-structure is added) I have to recreate all web services, which is quite uncomfortable.
In addition, using the wizard results in one wsdl-file for each web service operation, that leads to an administration overhead using this web services from a java frontend.
So I'm searching for a "bulk creation". I also know the wizard can be used for a function group, but I can't put all my RFC-enabled function module in one function group, that would lead to confusion in the package.
Does anyone know how web services are created programmaticaly? If I had a function module which creates the web services I could write a function module which creates all web services I need.
Thank you in anticipation!
Florian

I'm not sure I understand the 're-create' part...how are you re-creating the web service? if you modify the interface of a function-based web service, then you use the 'modify operations' functionality (context menu - right-click) to regenerate the web service interface; this works for a function group based web service as well and hits all of the methods at once. As for the java overhead on function group services, stating the obvious, maybe you just need to lower the number of functions in your groups. We use .Net-developed applications with multi-function webservices and don't have any overhead issues.

Creating A Web Service from a Function Module in ERP2004

I have searched for documentation on this without success.
I would be grateful if anyone could point me in the direction of any documentation on this subject, how to do it and what infrastructure needs to be in place for it to work.
Many Thanks
David

WAS640 makes the creation and consumption of web services very easy. Here is a help document to give you a step-by-step of how to create a web service in ABAP.
http://help.sap.com/saphelp_nw2004s/helpdata/en/37/01a7408f031414e10000000a1550b0/frameset.htm
Hope this helps.
Sudha

Test web service for a function module

Hello,
I have created web service for a functiona module. I can see the same service in SE80 in Enterprise Services.
How do I test this service?
I can see the URL in WSDL tab but when I try to execute it give me following error,
What has happened?
URL http://emhbssap15.domain.local:8027/sap/bc/srt/wsdl/sdef_service_name/wsdl11/ws_policy/document call was terminated because the corresponding service is not available.
Note
The termination occurred in system BDV with error code 403 and for the reason Forbidden.
The selected virtual host was 0 .
What can I do?
Please select a valid URL.
If you do not yet have a user ID, contact your system administrator.
ErrorCode:ICF-NF-http-c:000-u:SAPSYS-l:E-i:EMHBSSAP15_BDV_27-v:0-s:403-r:Forbidden
HTTP 403 - Forbidden
Your SAP Internet Communication Framework Team
The URL I am trying is
http://emhbssap15.domainname:8027/sap/bc/srt/wsdl/sdef_servicename/wsdl11/ws_policy/document?sap-client=400
Can anyone help me?
Regards,,,
Sunil Joyous
Edited by: Sunil Joyous on Dec 2, 2009 1:52 PM

Thanks Venu for your input.
Unfortunetly we do not have Java stack on our development system. You said we can test it by SOAP UI tool. Where do I see the WSDL file for the service?
I used WSDL from SE80 --> Service --> WSDL tab, but SOAP UI does not accept this format ?
What are the other ways I can test this web service? I think about SAP PI, importing RFC & creating web service or creating ABAP proxies... Which is the best way to go forward in case you do not have Java stck.
Regards,,,
Sunil Joyous

Is it possible to call web service from ABAP SAP 4.6 c..If yes how

Hi Friends,
Is it possible to call web service from ABAP-SAP 4.6 c..If yes Could you please let me know how.
Thanks in Advance.
Murali Krishna K
Edited by: Murali Krishna Kakarla on Jan 26, 2008 7:09 PM
Edited by: Murali Krishna Kakarla on Jan 26, 2008 7:11 PM

Olivier CHRETIEN wrote:>
> Hi Terry,
>
> So these function modules must use the SAPHTTPA RFC destination which uses the exe saphttp.exe ?
>
> How much abap code lines do you have for a web service call ?
> Do you have to code the call specifically for each different web service ?
> Are you able to use the WSDL ?
>
> Nice job if you have coded your own private SOAP runtime !
>
> But I don't think this is an easy solution for everybody...
>
> Regards,
>
> Olivier
Yes, SAPHTTPA (runs on application server) and/or SAPHTTP (runs on front-end pc), one of which, is required for HTTP communication. So far, nothing too elaborate as far as SOAP goes, but the logic is simplistic. Here's some sample code:
DEST = 'SAPHTTPA'.
TRANSLATE HOST TO LOWER CASE.
MYURL = 'wssrvTest/Service.asmx/GetByOrderItem'.
CONCATENATE HOST MYURL INTO MYURL.
REQUEST_HEADERS-DATA =
              'Content-type: application/x-www-form-urlencoded'.
APPEND REQUEST_HEADERS.
CLEAR REQUEST_HEADERS.
*........Convert Order Number to External Format........................
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
       EXPORTING
            INPUT = ORDER
       IMPORTING
            OUTPUT = ORDER.
*........Convert Item Number to External Format.........................
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
       EXPORTING
            INPUT = ITEM
       IMPORTING
            OUTPUT = ITEM.
*........Convert Material Number to External Format.....................
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
       EXPORTING
            INPUT = MATERIAL
       IMPORTING
            OUTPUT = MATERIAL.
CONCATENATE 'sOrder=' ORDER
               INTO REQUEST_BODY-DATA.
APPEND REQUEST_BODY.
CLEAR REQUEST_BODY.
CONCATENATE '&sItem=' ITEM
               INTO REQUEST_BODY-DATA.
APPEND REQUEST_BODY.
CLEAR REQUEST_BODY.
CONCATENATE '&sMaterial=' MATERIAL
              INTO REQUEST_BODY-DATA.
APPEND REQUEST_BODY.
CLEAR REQUEST_BODY.
CALL FUNCTION 'HTTP_POST'
       EXPORTING
            ABSOLUTE_URI          = MYURL
            RFC_DESTINATION       = DEST
            BLANKSTOCRLF          = 'X'
       TABLES
            RESPONSE_ENTITY_BODY = RESPONSE_BODY
            REQUEST_ENTITY_BODY   = REQUEST_BODY
            RESPONSE_HEADERS      = RESPONSE_HEADERS
            REQUEST_HEADERS       = REQUEST_HEADERS
       EXCEPTIONS
            CONNECT_FAILED        = 1
            TIMEOUT               = 2
            INTERNAL_ERROR        = 3
            TCPIP_ERROR           = 4
            DATA_ERROR            = 5
            SYSTEM_FAILURE        = 6
            COMMUNICATION_FAILURE = 7
            OTHERS                = 8.
CHECK SY-SUBRC = 0. "more appropriate msg goes here
LOOP AT RESPONSE_BODY.
    IF RESPONSE_BODY+0(7) <> '<string' AND
       RESPONSE_BODY+0(8) <> '</string' AND
       RESPONSE_BODY+0(5) <> '<?xml'.
      SPLIT RESPONSE_BODY-DATA AT '=' INTO FIELD_NAME FIELD_VALUE.
      TRANSLATE FIELD_NAME TO UPPER CASE.
      CASE FIELD_NAME.
        WHEN 'HEIGHT'.
          HEIGHT = FIELD_VALUE.
        WHEN 'WIDTH'.
          WIDTH = FIELD_VALUE.
        WHEN 'LENGTH'.
          LENGTH = FIELD_VALUE.
        WHEN 'WEIGHT'.
          WEIGHT = FIELD_VALUE.
        WHEN 'QTY'.
          QTY = FIELD_VALUE.
      ENDCASE.
    ENDIF.
ENDLOOP.
Hope this helps...
Terry
Edited by: Terry West on Feb 4, 2008 3:08 PM

Have problem when generate Web Service from bapi function

Dear all,
Please kindly help me about generating Web Service from BAPI function, It does not success only this attached function.
I have done so many function without any problems.
I found 1 case that I use specific variable to be an import/ export then, it can't create as well.
As for this one, I try so many changes but I can't success it as well.
This is my function on R/3 4.6C, Dot net connector 2.0, Dot net Frame Work 1.1.
FUNCTION Z_BAPI_ATTACHMENT_CREATE.
""Local interface: Type: Remote-enabled module
*" IMPORTING
*"     VALUE(P_BOTYPE) LIKE BORIDENT-OBJTYPE
*"     VALUE(P_BO_ID) LIKE BORIDENT-OBJKEY
*"     VALUE(P_MSGTYP) LIKE SOFM-DOCTP
*"     VALUE(P_DOCTY) LIKE BORIDENT-OBJTYPE
*"     VALUE(P_RELTYP) LIKE BRELTYP-RELTYPE
*"     VALUE(P_FNAME) LIKE RLGRAP-FILENAME
*"     VALUE(P_OBJDES) TYPE SO_OBJ_DES
*" EXPORTING
*"     VALUE(RETURNMESSAGE) TYPE CHAR50
INCLUDE : <cntn01>.
P_BOTYPE TYPE BORIDENT-OBJTYPE DEFAULT 'BUS2105'
P_BO_ID   TYPE BORIDENT-OBJKEY
P_MSGTYPE TYPE SOFM-DOCTP DEFAULT 'URL'
P_DOCTY   TYPE BORIDENT-OBJTYPE DEFAULT 'MESSAGE'
P_RELTYP TYPE BRELTYP-RELTYPE DEFAULT 'ATTA'
P_FNAME   TYPE RLGRAP-FILENAME
P_OBJDES TYPE SO_OBJ_DES
TYPES: BEGIN OF ty_message_key,
foltp TYPE so_fol_tp,
folyr TYPE so_fol_yr,
folno TYPE so_fol_no,
doctp TYPE so_doc_tp,
docyr TYPE so_doc_yr,
docno TYPE so_doc_no,
fortp TYPE so_for_tp,
foryr TYPE so_for_yr,
forno TYPE so_for_no,
END OF ty_message_key.
DATA : lv_message_key TYPE ty_message_key.
DATA : lo_message TYPE swc_object.
DATA : lt_doc_content TYPE STANDARD TABLE OF soli-line
WITH HEADER LINE.
First derive the Attachment's ( MESSAGE )document type.
p_docty = 'MESSAGE'.
CASE p_reltyp.
In case of URls
WHEN 'URL'.
    p_msgtyp = 'URL'.
In case of Notes / Private Notes
WHEN 'NOTE' OR 'PNOT'.
    p_msgtyp = 'RAW'.
WHEN 'ATTA'.
Take given parameter e.g. 'DOC', 'PDF' etc.
P_MSGTYP = 'EXT'.
WHEN OTHERS.
....exit
    EXIT.
ENDCASE.
Create an initial instance of BO 'MESSAGE' - to call the
instance-independent method 'Create'.
swc_create_object lo_message 'MESSAGE' lv_message_key.
define container to pass the parameter values to the method call
in next step.
swc_container lt_message_container.
Populate container with parameters for method
swc_set_element lt_message_container 'DOCUMENTTITLE' p_objdes.
swc_set_element lt_message_container 'DOCUMENTLANGU' 'E'.
swc_set_element lt_message_container 'NO_DIALOG' 'X'.
swc_set_element lt_message_container 'DOCUMENTNAME' p_docty.
swc_set_element lt_message_container 'DOCUMENTTYPE' p_msgtyp.
In case of URLs..it should be concatenated with &KEY& in the begining.
CASE p_msgtyp.
WHEN 'URL'.
lt_doc_content = '&KEY&http://www.rmtiwari.com' .
    CONCATENATE '&KEY&' p_fname INTO lt_doc_content.
    APPEND lt_doc_content.
In case of Notes or Private Notes, get the data from files on appl
server or from wherever(? - remember background).
WHEN 'RAW'.
    lt_doc_content = p_fname.
    APPEND lt_doc_content.
In case of PC File attachments
WHEN OTHERS.
    OPEN DATASET p_fname FOR INPUT IN BINARY MODE.
    IF sy-subrc EQ 0.
      DO.
        READ DATASET p_fname INTO lt_doc_content.           "2 of 27
        IF sy-subrc EQ 0.
          APPEND lt_doc_content.
        ELSE.
          EXIT.
        ENDIF.
      ENDDO.
      CLOSE DATASET p_fname.
    ENDIF.
ENDCASE.
'DocumentContent' is a multi-line element ( itab ).
swc_set_table lt_message_container 'DocumentContent' lt_doc_content.
Size is required in case of File attachments
DATA : lv_doc_size TYPE i.
DATA : l_file_lines TYPE i.
DESCRIBE TABLE lt_doc_content LINES l_file_lines.
READ TABLE lt_doc_content INDEX l_file_lines.
lv_doc_size = ( 255 * ( l_file_lines - 1 ) ) +
STRLEN( lt_doc_content ).
swc_set_element lt_message_container 'DOCUMENTSIZE' lv_doc_size .
Refresh to get the reference of create 'MESSAGE' object for attachment
swc_refresh_object lo_message.
swc_call_method lo_message 'CREATE' lt_message_container.
Get Key of new object
swc_get_object_key lo_message lv_message_key.
Now we have attachment as a business object instance. We can now
attach it to our main business object instance.
Create main BO object_a
data: LO_IS_OBJECT_A type SIBFLPORB. "type SIBFLPORB is unknown, so I
DATA: lo_is_object_a TYPE borident.
lo_is_object_a-objkey = p_bo_id.
lo_is_object_a-objtype = p_botype.
LO_IS_OBJECT_A-CATID = 'BO'.
Create attachment BO object_b
data: LO_IS_OBJECT_B type SIBFLPORB. "type SIBFLPORB is unknown
DATA: lo_is_object_b TYPE borident.
lo_is_object_b-objkey = lv_message_key.
lo_is_object_b-objtype = p_docty.
LO_IS_OBJECT_B-CATID = 'BO'.
*TRY.
*CALL METHOD CL_BINARY_RELATION=&gtCREATE_LINK
EXPORTING
IS_OBJECT_A = LO_IS_OBJECT_A
IS_OBJECT_B = LO_IS_OBJECT_B
IP_RELTYPE = P_RELTYP.
CALL FUNCTION 'BINARY_RELATION_CREATE'
EXPORTING
    obj_rolea    = lo_is_object_a
    obj_roleb    = lo_is_object_b
    relationtype = p_reltyp
EXCEPTIONS
    OTHERS       = 1.
Check if everything OK...who cares!!
COMMIT WORK.
if sy-subrc = 0.
RETURNMESSAGE = 'S-Success'.
else.
RETURNMESSAGE = 'E-Error'.
endif.
ENDFUNCTION.
Thanks in advance,
Benjawan
Edited by: Nitipat Chadchavalpanichaya on Oct 20, 2008 9:02 AM

There is no any error message show up. It just the class
Z_BAPI_ATTACHMENT_CREATE doesn't create autometically as normal. I showed you as below.
That means I can't call class z_bapi_attachment_create.
' <autogenerated>
'     This code was generated by a SAP. NET Connector Proxy Generator Version 2.0
'     Created at 21/10/2551
'     Created from Windows
'     Changes to this file may cause incorrect behavior and will be lost if
'     the code is regenerated.
' </autogenerated>
Imports System
Imports System.Text
Imports System.Collections
Imports System.ComponentModel
Imports System.Runtime.InteropServices
Imports System.Xml.Serialization
Imports System.Web.Services
Imports System.Web.Services.Description
Imports System.Web.Services.Protocols
Imports SAP.Connector
'@ <summary>
'@ Client SAP proxy class
'@ </summary>
<WebServiceBinding(Name:="dummy.Binding", Namespace:="urn:sap-com:document:sap:rfc:functions")> _
Public Class PRAttachment
    Inherits SAPClient
    '@ <summary>
    '@ Initializes a new PRAttachment.
    '@ </summary>
    Public Sub New()
    End Sub
    '@ <summary>
    '@ Initializes a new PRAttachment with a new connection based on the specified connection string.
    '@ </summary>
    '@ <param name="connectionString">A connection string (e.g. RFC or URL) specifying the system where the proxy should connect to.</param>
    Public Sub New(ByVal ConnectionString As String)
      MyBase.New(ConnectionString)
    End Sub
    '@ <summary>
    '@ Initializes a new PRAttachment and adds it to the given container.
    '@ This allows automated connection mananged by VS component designer:
    '@ If container is disposed, it will also dispose this SAPClient instance,
    '@ which will dispose a contained connection if needed.
    '@ </summary>
    '@ <param name="Cont">The container where the new SAPClient instance is to be added.</param>
    Public Sub New(ByVal Cont As Container)
      MyBase.New(Cont)
    End Sub
End Class

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The dialog that is produced by HTTP Destination object of the logical port is designed only for use within Classic Dynpro applications. There is no prompt produced when running in Web Dynpro. If possible assign a generic user within the logical port definition and this will be used automatically by all users.

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1. created web service in NWDS and deployed it to portal server
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B

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sarbjeet singh

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/people/thomas.jung3/blog/2005/05/13/calling-webservices-from-abap-via-https
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Function that puts leading zeros. I am getting a text file which has got cost center as 1234, but i need to put leading zero in order to check the availability of the value in the table csks.
I want a function module which puts leading zero.

hi,
Use FM <b>'CONVERSION_EXIT_ALPHA_INPUT'</b>
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Text
Conversion exit ALPHA, external->internal
ALPHA conversion is used especially with account numbers. During conversion from the external to the internal format, the system checks to see if input in the INPUT field is purely numeric, that is, if this input consists only of numbers, possibly with spaces before and after them. If this is the case, then the number string is inserted right- justified in the display field OUTPUT and all spaces to the left of the value are filled with zeroes ('0'). If the input is not purely numeric, it is inserted in the display field from left to right and all extra spaces are filled with blanks.
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Parameters
INPUT
OUTPUT
Exceptions
Function Group
ALFA
Regards,
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Web Services from ABAP function modules return values- leading zeros

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