External Web Service in ABAP

Hi,
I want to consume External Webservice from internet in ABAP, can you pls suggest the process steps for that.
when trying to generate client proxy it fails saying error 'Exception occurred in library handler'.
Regards
Vishal

The steps are pretty well documented in several places already - online help, eLearning, virtual TechEd, blogs, WIKI, etc. If you haven't found the appropriate steps in any of these places post back.
The error you are receiving however doesn't appear related to your steps. It sounds like the Web Service you are trying to call either doesn't conform to the support standards or uses features that are not support by the SOAP runtime release that you are running on. What release and support package level are you running on the ABAP side? OSS Note 944029 lists the different XML schema elements that are supported on the different release/support package/enhancement packages levels.
But now that I have answered your question, it occurs to me that it isn't directly Web Dynpro ABAP related and really shouldn't be posted in this forum. In the future post such general purpose ABAP questions in one of the main ABAP forums.

Similar Messages

Is it possible to call an external web service using ABAP?

Hi~~
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Thank you.

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Hi All,
Can somebody point me to the documentation where how to call an external (3rd party) web service from ABAP program is explained?
Thanks & Regards,
-Smita

which version of R/3 you are using. if you are on was 6.40 its very simple, there are delivered tools to generate client proxy for consuming webservice. if you are on wa 6.20 you can use cl_http_client to achieve the same. check out the following weblogs.
/people/durairaj.athavanraja/blog/2005/07/12/send-sms-to-india-from-abap
/people/thomas.jung3/blog/2005/05/13/calling-webservices-from-abap-via-https
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Consume External Web Service from ABAP

Hello All,
I have a Web Service existing on a Non R/3 system.
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        sys_fault TYPE REF TO cx_ai_system_fault,
        appl_fault TYPE REF TO cx_ai_application_fault,
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ENDTRY.
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Thanks and Regards
Gladson Jacob

I created an HTTP RFC Destination to the WSDL URL and provided the username and password in the RFC Connection. And called the RFC Destination in the Proxy, instead of calling the URL directly in the proxy. But after that, I am getting some new errors, for which I have not received a solution yet. So, still stuck!!!
For steps on creating a Proxy, I need to know the ABAP version your are using.

Calling a secured external web service from ABAP

Hi,
I've created a client proxy from a wsdl to call a secured external WS from ABAP.
The question is: how to pass in the user/password in the client proxy?
thanks

Hi Rika,
have a look to the blog: https://weblogs.sdn.sap.com/pub/wlg/1645. [original link is broken] [original link is broken] [original link is broken] [original link is broken]
Screen shots are "old" but the concepts are already there. Serach the chapter "SAP Side - Setup".
Basically: define your RFC destination via SM59 of type G. There you'll define the target host and the user/password.
Then in LPCONFIG you can specify the defined RFC destination.
Have a look also to http://help.sap.com/saphelp_nw2004s/helpdata/en/16/285d32996b25428dc2eedf2b0eadd8/content.htm
and to
http://help.sap.com/saphelp_nw04s/helpdata/en/da/11df3a9b10355ae10000000a11405a/content.htm
Sergio
PS
Kindly close the thread and award appropriate a points to the answer given.
Message was edited by:
Sergio Ferrari

Consume External Web Service (WSDL) in ABAP (Release 700) - Proxy Error

Hi All,
Have a requirement to Consume an External Web Service in ABAP. We have the WSDL for Ext. Web Service.
Did some research and came across the link:
http://help.sap.com/saphelp_nw2004s/helpdata/en/69/8a1e9553dc4baba6026a3db510cadb/content.htm
First tried to generate a 'Consumer Proxy'. Since external WSDL, used SE80 to generate the Consumer Proxy.
But finally got Error Msg 'Incorrect value: XSD name space not available'! Could you please let me know:
1) What is causing this error and how to rectify it?
2) Is it possible to view the Proxy that I had created (which is in error)? is there a Proxy Editor?

Hy Brad, I got the same error by trying to generate a 'Consumer Proxy' from a external WSDL. u2019Incorrect value: XSD name space not available'. I have solved it in this way: The report RSSIDL_DESERIALIZE_DEMO has the same check routines as the R3-Proxy Generator. I debugged this report using a saved external WSDL and compared it with using a saved WSDL (Server) generated under /nse80.
-> In the WSDL, in part message the "type" isnu2019t allowed, because the dezerialization is done already.
Coding, not working:
<xsd:complexType name="OrderRequestMsg">
<xsd:sequence>
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      u2026
</xsd:sequence>
</xsd:complexType>
<message name=" OrderRequest">
<part name="input" type=" tns:OrderRequestMsg"/>
</message>
Coding, working::
<xsd:element name="OrderRequestMsg">
    <xsd:complexType>
       <xsd:sequence>
        <xsd:element name="shop" type="xsd:string"/>
   </xsd:sequence>
</xsd:complexType>
</xsd:element>
<message name="OrderRequest">
     <part name="input" element="tns:OrderRequestMsg"/>
</message>

Create an SAP Web Service Consumer (calling External Sharepoint Web Service from ABAP)

hi all,
i am trying to
Create an SAP Web Service Consumer (calling sharepoint Web Service from ABAP) using blog given on following link
Create an SAP Web Service Consumer (calling External Web Service from ABAP)
but when i am using my url at the end of step 3, i am getting error as follows:
i dont want to use local file option. Can anyone help me in this??
thanks in advance
regards,
SDS

Hi SDS,
you recieved a http 404 error when trying to access the Sharepoint Web service. Http 404 indicates that the resource is not reachable (cf. HTTP 404 - Wikipedia, the free encyclopedia). There could be different reasons for that. I'd suggest rubble checking the URL of the Web service first. Try to access it from a browser on you desktop. If the URL is correc. Most likely the SAP system is not able to connect to the URL. This could, for example, be due to some firewall restrictions. You should ask a SAP Basis colleague if they are able to access the URL of the Web service from the server on which the SAP system is running.
Christian

Problems consuming a web service in ABAP

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The problem now is that when calling a method where the return parameters include one of these edited elements we get the error "SOAP:1,001 CX_ST_MATCH_TYPE:XSLT exception.System expected a value for the type g" presumably because SAP is trying to de-serialise the response rather than just return the data as an XML string.
Does anyone know how to get this "untyped mapping" indicator or can anyone suggest another way to solve this mixed content issue?
TIA
Gareth

Hi Tim
I've sort of got further in that I I can now call the web service method without error but structure returned is empty even though I know the SOAP response has data.
What I did was to go back to the WSDL and re-write the type declaration bit to fully describe the response message.
The appropriate portion of the original WSDL was;
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        <s:complexType>
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              <s:complexType mixed="true">
                <s:sequence>
                  <s:any />
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              </s:complexType>
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          </s:sequence>
        </s:complexType>
      </s:element>
The response SOAP message was;
<getActionListResponse xmlns="http://webcominc.com/">
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               <RESULT>
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               <ACTION>
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               <ACTION>
                    Change Status
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          </RESULT>
     </getActionListResult>
</getActionListResponse>
So I re-wrote the WSDL as follows;
<s:element name="getActionListResponse">
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      <s:sequence>
         <s:element minOccurs="0" maxOccurs="1" name="getActionListResult">
             <s:complexType>
               <s:sequence>
                  <s:element minOccurs="0" maxOccurs="1" name="RESULT">
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                        <s:sequence>
                           <s:element name="RESULT" type="s:string" minOccurs="1" maxOccurs="1" />
                           <s:element name="REASON" type="s:string" minOccurs="1" maxOccurs="1" />
                           <s:element maxOccurs="unbounded" name="ACTION" type="s:string" minOccurs="0" />
                        </s:sequence>
                     </s:complexType>
                  </s:element>
               </s:sequence>
            </s:complexType>
         </s:element>
      </s:sequence>
   </s:complexType>
</s:element>
Using this new version of the WSDL I recreated the ABAP Proxy but as I said this now returns an ABAP structure that is empty. I'm new to WSDL so its very probable that my attempt at defining the response message is incorrect or maybe it is something to do with the fact that the response message has two elements called RESULT - one being the child of the other?
Regards
Gareth

External web service call from WebDynpro for ABAP

Hi...
I'm inspecting Web Dynpro For ABAP, and trying to call external web services.
I'm created Web Service, CAF-AS.
I create the proxy class(se80) and Logical Port(lpconfig), and I take the web service in componentcontoroller of my web dynpro using Web Dynpro Wiserd.
Though I expected the context to be registered by the same type as the service interface,
they are created strange structure as follow.
<Context>
CONTEXT
---FIND_BY_PARAMS
IMPORTING
INPUT
CONTROLLER
ORDER_TEXT_BY_PARAMS_REQ
---EXPORTING
OUTPUT
CONTROLLER
ORDER_TEXT_BY_PARAMS_RES
The CONTOROLLER is defined by the type PRXCTRLTAB, and
ORDER_TEXT_BY_PARAMS_* has deep structure, as follow.
ORDER_TEXT_BY_PARAMS_REQ
---CONTROLLER type:PRXCTRLTAB(structure)
---QUERY_TABLE type:ZTABLE_NAME
---QUERY_FIELD type:ZFIELD_NAME
---QUERY_OPTIONS type:ZORDER_TEXT_QUERY_OPTION_TAB
I want to use only service paralmeters, that is named query_*.
I tried to excute the webService but dump "OBJECTS_OBJREF_NOT_ASSIGNED" occurs.
I think I must set any value to CONTOROLLER,?but I have no idea What & How I should set value.
please let me know, what is the CONTOROLLER, and how to call external web services.
Regards,
Naoya Tsugo,

I solved problem by myself.
There was carelessmiss in activation of LP.
Now, I'm closing the topic.
Thanks and Regards.
Naoya Tsugo,

External Web Service call using WebMethods in Abap

Hi everyone,
I have presented with writing an interface, requested by a third party, in SAP ABAP that will call external web services from a java system. What I have been told is that I will be calling these services through webMethods. What I take is that webMethods is an SAP proxy wrapper around the web service. Beyond that I do not know what any of this is. I have asked my long-time ABAP developers and they have not seen any of the web calls through webMethods. Can someone present me with a basic understanding, maybe some code examples too? Also is this a standard function module call or a method in a class modules? How will it look to ABAP?
Thanks for any info you can provide,
Steve

Hello,
to be a bit more precise, WebMethods (or Business Connector) will register in sm59, and then you can make a function call in ABAP to this remote destination.
You will have to check what parameters the WebMethods Service needs and pass them from ABAP.
WebMethods then will take care of the WebService call to the external system and send the result back.
CSY

Help needed with process to call an external web service from within ABAP

Hello,
I have an understanding of how I can provision web service from within SAP so that it can be consumed by external apps.
Now, I am in need to know the, how I can call an external non-sap web service (let's say a java application) or even a public domain web service for that matter:
Is there any lay man's guide out there? which will list following step:
A sample ABAP program calling an external web service
List of all the configurations needed within SAP to make this happen (calling an external web service).
Any help will be greatly appreciated.

Hi Matesh,
Please use the following command in Google : site:sdn.sap.com abap consuming web service
There is many samples of your needs on SDN.
Like this one :
http://wiki.sdn.sap.com/wiki/display/Snippets/WebServiceconsumerusingABAP-PROXY
Regards, Gilles.

Consuming an External Web Service using HTTPS and WS Security

Hello everyone,
I'm having a problem setting the security information in a SOAP header using a generated ABAP Client Proxy to consume an external web service that requires a User ID and Password in the Header section of the SOAP message. I need to use HTTPS. I'm on a WAS 7.01 SP08 system so from my readings, SAP is supposed to be able to add the username and password into the header section of the message. I can't seem to get SAP to add this information added to the header.
Here are the steps that I have taken to set the security values.
1) Created the client proxy from the WSDL in SE80. Basic Authentication on the Configuration tab was turned on automatically.
Note, Transport Security is set to None. I cannot change it.
2) Created an outbound set user name profile in transaction WSPROFILE with the appropriate username and password.
3) Added the profile to the default port in transaction LPCONFIG as an outbound under the WS Security section of the screen.
When I called the external Web Service, I got back the following error message:
com.ibm.wsspi.wssecurity.SoapSecurityException: WSEC5509E: A security token whose type is [http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-username-token-profile-1.0#UsernameToken] is required.
So, after reading through this Forum, I saw that I needed to use the SOAMANAGER. I set up a Proxy in the SOAMANAGER and manually created the Logical Port. This was the only way I could figure out how to set the Authentication Settings in the Logical Port to "User ID / Password". I then entered the User ID and Password.
However, I am still getting the same error message. I feel I am close but missing some small configuration to tell SAP to use WS Security with a Username token.
I'm not sure what I'm doing wrong, so any help would be appreciated.
Thanks,
Stephen

I had this error again so I thought I would post my solution:
The issue is SAP needs to know the certificates being used by the web site being called. These certificates are automatically installed in your browser but need to be manually installed in SAP. This is what I did:
How to find/install new certificates
Make sure you run Internet Explorer as an Administrator so you can export the certificates
Go to the web site that SAP is trying to call in Internet Explorer
Double click on the lock in the address bar
View certificates
Find the certificates that are being used
Tools --> Internet Options --> Content --> Certificates
Click on the “Trusted Root Certification Authorities” tab
Find the certificate identified in step iii
Export as a CER certificate
Click on the “Intermediate Certification Authorities” tab
Find the certificate identified in step iii
Export as a CER certificate
Go to STRUST in SAP
Import the Certificates in the “Anonymous” or “Standard” SSL client
Save
RESTART the ICM via t-code SMICM <-- Critical!!!
Test

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'.
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      CASE FIELD_NAME.
        WHEN 'HEIGHT'.
          HEIGHT = FIELD_VALUE.
        WHEN 'WIDTH'.
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        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

Help: consuming an external web service with user name token

Hello Together!
I need to consume an external web service secured with WS-UserNameToken. The way, how did I do it:
1. I generated a web service consumer (proxy) in SE80 from the wsdl file
2. I created logical port for the consumer in SOAMANAGER
3. I created security profile in WSSPROFILE with telpmate SET_USERNAME and assigned it to consumer operation in LPCONFIG (I use LPCONFIG, because I didn't find any way to do it in SOAMANAGER)
3. I called the web service and got the error back: session token is missing or invalid or has inspired
My questions are:
1. is this possible to consume an external webservice in SAP, which is secured with WS-Usernametoken?
2. do I need therefore any settings in java stack? do I need java stack in general?
3. Is this any way to configure the consumer without writing programs, which set header parameter manually?
4. if the answer on the third question is no, do you have any examples, how to implement session management in report? (I mean sending session id and checking the validaty of id)
I appriciate any help of you!
best regards Anna

Hi,
it should be possible to use WS-UserNameToken for consuming web service. It should be available on AS BAP 7.0 and higher. This profile should be under category Document authentication. You can try to dump a message send from SAP to see what is going out of SAP. This should be supported in ABAP so you don't need a Java stack. What exactly do you want to configure? Do you want to just set user name and password for that service which will be used for any calls of that proxy?
Cheers

Call a web service in ABAP - how to do LPCONFIG?

I have searched through OSS, SAP help and SDN - and I see the answer if I call a web service from Java - but I cannot find the answer if I call a web service through normal ABAP in R/3.
I apologize if I am asking the same question again or if it is already there and I am just overlooking it.
I am creating a client proxy in R/3 to call an outside web service through ABAP.
I create the client proxy in our test system using SE80.
I create a logical port using LPCONFIG to point at the test web service on the other system.
I code the ABAP program - and everything works great.
I transport the client proxy - and I transport the LPCONFIG information.
Now I get into production - when I do transaction LPCONFIG to change the URL of the web service to be their production web service URL instead of their test web service URL - it asks for the system to be opened.
Like it wants to create a transport. The basis people would have to open the system to be modified. Which at least in our shop is not something we do.
Here is the error:
Message no. TK430
The system administrator has set your logon client to the 'not modifiable' status.
Client-specific objects can not be changed in this client.
Contact the system administrator.
For more information, see the SAP Library under Change and Transport System.
For an ABAP program in R/3 using a client proxy - how do I call a test service in our test r/3 system and a production web service in production R/3 system without changing my ABAP code?
Should this be done through LPCONFIG?
Or what am I missing?
Thanks for your help.
Scott Overmeyer

Hi Scott,
Please refer to following URL
http://help.sap.com/saphelp_nw04/helpdata/en/16/285d32996b25428dc2eedf2b0eadd8/content.htm
I think you are using the second of the following 3 approaches mentioned in above documentation and so credential configuration is not available at run-time.
Please check if this is helpful to you. If you have already looked at this then please ignore this message.
There are three ways of configuring the call address of the Web service:
●     As HTTP destination: Select an RFC destination of type G (HTTP connection to an external server) or type H (HTTP connection to the SAP System) from transaction SM59. The HTTP destination approves the configuration of the logon procedure, encryption, and state management. This is the preferred access procedure.
●     As URL: The URL of the Web service is written to the corresponding input field when you create the logical port. The disadvantage of this procedure is that, with the exception of the URL, no other parameters for logging on, encryption, or state management can be configured. This is possible only for Web services that do not require a logon procedure, encryption, or state management.
●     As local path prefix: This access procedure is only intended for accessing your own system. Here you call the default RFC destination NONE to address your own server. The specified local path prefix is used to identify the called Web service.
Regards,
Vandana.

External Web Service in ABAP

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