Expose a Bapi as web service

I have seen the link https://www.sdn.sap.com/irj/sdn/weblogs?blog=/pub/wlg/4550. [original link is broken] [original link is broken] [original link is broken] [original link is broken]
But I dont understand what is the XIZ_FileSystem and the XIZ. There is any comments about the creation of these business systems.

Hi Cesar,
You can find info on creating business systems here..
http://help.sap.com/saphelp_nw2004s/helpdata/en/42/c817d9d2296bb2e10000000a1553f6/frameset.htm
http://help.sap.com/saphelp_nw2004s/helpdata/en/ae/e3bd4f6b61e146ad1384954ecabb41/frameset.htm
http://help.sap.com/saphelp_nw2004s/helpdata/en/42/cbeb318b49136ae10000000a1553f7/frameset.htm
https://www.sdn.sap.com/irj/sdn/go/portal/prtroot/docs/library/uuid/9e76e511-0d01-0010-5c9d-9f768d644808
All the best!
cheers,
Prashanth
P.S Please mark helpful answers

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Hi,
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Thanks,
Varun

Hi Varun,
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Please find the following forum.
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BAPIs and Web Services

Hello, I have the following Question. As I understand it,
I can setup a Java App to access a BAPI via JCo and SOAP, thus creating a Web Service which can pass on the results to a Client.
Or I can let XI do the work, which can publish a Web Service, handling communication to the related BAPIs internally.
Is there any other way to access a BAPI via Web Services, using SOAP and Java?
I hope this question makes sense, otherwise I would ask you to clarify the issues for me.
Thank you in advance.
Felipe Hernandez

http://help.sap.com -> SAP NetWeaver -> Application Platform -> ABAP Technology -> ABAP Workbench -> Tools or: http://help.sap.com/saphelp_nw04/helpdata/en/d1/802cfc454211d189710000e8322d00/frameset.htm
and continue Enterprise Services Architecture: Web Service
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Bapi as web service - required by schema description

Hello,
I exposed a BAPI as a web service. Lets take for example the bapi to update / change a business partner. When trying to update for example the first name I have to create a complex type: centralPersonData and I have to create ALL simple types that are subtypes of centralPersonData even when I only want to change one of this attributes otherwise I will get a:
com.sap.engine.services.webservices.jaxrpc.exceptions.XmlMarshalException: XML Serialization Error. Property [...] of class [...] must exist and can not be null. This is required by schema description.
I know that I get this error because the XML element tags are not created when I do not initialize the values. In the moment I initialize all values "by hand" and have to write sometimes about 50 lines of code only to update one value. Is there a better way to solve this?
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Felix

Hi
Check This URL and you will get some Solutions to your problem
http://help.sap.com/saphelp_nw04/helpdata/en/e9/ae1b9a5d2cef4ea4b579f19d902871/frameset.htm
http://help.sap.com/saphelp_nw04/helpdata/en/7c/a4f1b3c59aef4f8ea3c32cda0c0486/frameset.htm
Regards
Chandran

BAPI as Web Service in XI 2.0

Hi there,
I have been struggling for about a week trying to <u>deploy/call a BAPI as a Web Service in XI 2.0. </u>
However, despite all my attempts I didn't manage to get this "simple" scenario to work.
My conclusion until now; is that XI 2.0 just does not or is not ready to provide this kind of functionality.
Hopefully in version 3.0 all these shortcomings will be part of the past.
Regards,
Rob.
Message was edited by: rob viana

Hi rob, how are you ?
I have done this at least two weeks, to validate the concept, I had some problems until proceed correctly but, yes, works fine !
First I did import the BAPI_MATERIAL_GETLIST, create 2 data types, one to receive parameters from webservice client and map to BAPI call, and another to get the BAPI response(I have created an sync interface), so, created 2 message types, corresponding to 2 data types, and 1 message interface specifying the outbound and inbound message types.
So, I did create two message mappings, one to map the request to BAPI and another to map the response to client, and a interface mapping to set the request and response with respective mappings and interfaces.
After, I did create the corresponding configuration objects and, in the configuration, I´ve used the menu "Tools/Define Web Service..." to generate a wsdl(I´ve used this option only to check the parameters that will be exposed, and check the endpoint that XI is suggering to be used, I didn´t use the WSDL to call the webservice)- here is a trip: to me, the option mentioned above generate the following address as endpoint: http://:1080/sap/xi/engine/?type=entry,
and the port listed above(1080) is incorrect, the correct value is found at SMICM transaction, looking on Active Services, this is a http port available on this screen(in my case, the correct value is 8030).
The ultimate task is configure the SOAP Adapter to listen the SOAP requests to this interface.
I think that the problem is to find correct documentation, I have experienced many situations where I have a problem to solve and, its very difficult to get a document, help, etc.. that explain how to solve the problem.

Create BAPI as Web Service

Hi,
I have expose a BAPI as a web service.
Application : PA
BAPI : EmployeePersonalData
Method : Create
When i try to test the web serive with the following test data:
Employeenumber (String) = 12345678
Validitybegin (String) = 2001-01-01
Validityend (String) = 2003-01-01
It give me the following error:
=============================================
HTTP/1.1 500 Internal Server Error
Set-Cookie: <value is hidden>
content-type: text/xml; charset=utf-8
content-length: 803
sap-srt_id: 20080128/122539/v1.00_final_6.40/DCCD591434D56BF19BA300145E6770F3
server: SAP Web Application Server (1.0;700)
<soap-env:Envelope xmlns:soap-env="http://schemas.xmlsoap.org/soap/envelope/"><soap-env:Body><soap-env:Fault><faultcode>soap-env:Client</faultcode><faultstring xml:lang="en">Deserialisation failed</faultstring><detail><n0:SimpleTransformationFault xmlns:n0="http://www.sap.com/transformation-templates"><MainName>/1BCDWB/WSS0080123034217187000</MainName><ProgName>/1BCDWB/WSS0080123034217187000</ProgName><Line>128 </Line><Valid>X</Valid><ReferenceFault><DescriptionText>Error accessing the ref. node 'EMPLOYEENUMBER'</DescriptionText><RefName>EMPLOYEENUMBER</RefName></ReferenceFault><Caller><Class>CL_SRG_RFC_PROXY_CONTEXT</Class><Method>IF_SXML_PART~DECODE</Method><Positions>1 </Positions></Caller></n0:SimpleTransformationFault></detail></soap-env:Fault></soap-env:Body></soap-env:Envelope>
============================================
What wrong with it? Any idea how to resolve this problem?
Regards,
Rayden

Hi Rayden
It will surely help you.
Please reward pts if help.
Deepanker
Expose BAPI as a Web Service
1. Go to transaction SE80.Select Function Group from drop down menu; enter the function group in which the BAPI (which is to be exposed as Web Service) comes. You can find this Function Group from function module (BAPI) itself. Go to transaction SE37 and enter function module name (BAPI name) and click on display. You can see the function group here under attribute tab .
2. Then from Function Modules list choose the BAPI to which you want to expose as a
Web Service .
3. On right clicking on the BAPI a context menu appears. Click on create and Web Service option .
4. New window will pop up. Click on Continue.
5. Give the name for Enterprise service and short description. Click on continue.
6. New window will pop up.Click on Continue
7. New window pop up. Click on 'Release service for runtime'. Click on Continue.
8. This window pops up. Click on Complete.
9. New pop up window come up asking for Package. Give the package name and click on SAVE button.
10. New window pop up asking for Request . Give request and click on OK.
11. New window comes displaying service definition.
12. Now go to transaction WSADMIN and choose your web service. Go to Web Service menu and choose WSDL option.
13. New pop up window come.Check on Include SAP Feature in WSDL and click on OK.
14. Internet browser will be opened and asking for User Name and Password .
15. After giving values for user name and password, you will get WSDL file opened in internet explorer. SAVE this locally on your computer for further use.

Unable to expose a method in web service

Hi,
My scenario is to expose a method in service. This method will take date as input & should return all the rows.
To Implement this, I took employeeVO of HR DB(Employees Table) & created a ViewCriteria "GetEmpbyHireDate" with Hiredate as input param.
& in AMImpl the code is
public BaseEmployeeVOImpl getEmployeesByHireDate(Date hiredate){
BaseEmployeeVOImpl baseEmployeeVO = (BaseEmployeeVOImpl) findViewObject("BaseEmployee1");
baseEmployeeVO.setApplyViewCriteriaName("GetEmpbyHireDate");
baseEmployeeVO.setNamedWhereClauseParam("pHireDate", hiredate);
baseEmployeeVO.executeQuery();
return baseEmployeeVO;
The issue is I'm not able to see this method in "Available" list of Web Service Wizard.
Help me in understanding what is missing ?
Thanks in advance.
P.S. from Jdev Help I understood that "Only methods with simple attributes as parameters and return types that are either void or view rows will appear in the list." & my method is returning rows of a EmployeeVO.

Hi,
2 comments:
1) View Criteria can be directly exposed as find methods. Its on the last wizard page (just click the View Criteria tab). So no need for an Impl method
2) If you wanted to expose a method, then the documentation I think is crystal clear: "oracle.jbo.server.ViewRowImpl or any subtype" Your method returns BaseEmployeeVOImpl (see the difference ?)
Frank

Follow up to web services question: How do I expose java components as web services on iPlanet 6.0 app server?

My task - my company has several legacy PowerBuilder applications that access a variety of Sybase and MS SQL databases. Rather than re-inventing the wheel by re-writing these applications in Java, we would like to enable these applications to call java components (EJBs) that will provide new functionality. I would need a piece of software called CSXtend (from www.cynergysystems.com) to allow PowerBuilder to call a web service. However, I am not sure how to expose my business functions (EJBs) as web services on the iPlanet 6.0 App server. Thanks for all previous responses! Any additional info would be greatly appreciated! Mike

I have used Glue (http://www.themindelectric.com/products/glue/glue.html) to expose some of our stuff as Web Services. I recently found this on serverside. It's pretty good.
http://www.theserverside.com/resources/article.jsp?l=Systinet-web-services-part-1
I believe that the middleware they use can be plugged into IPlanet. There is also an article in the knowledge base on the IPlanet site.
Jon

XML Serialization Error- While testing BAPI turned Web service

I have a requirement to create sales order in SAP R/3 from an e-commerce site. I went through many forums suggesting "exposing FMs into Web Service". I wrapped BAPI_SALESORDER_CREATEFROMDAT2 and BAPI_TRANSACTION_COMMIT into one FM and exposed as Web Service. I did a successful test-sequence.
When I tested the web service without giving values I got a response asking for "Sold-to Party or Ship-To Party". While testing the Web service with some values, I got the below error -
XML Serialization Error. Object content does not correspond to Schema restrictions of type [urn:sap-com:document:sap:rfc:functions][numeric4].
The e-commerce team tried to hit the Web service and got the below error-
IWAB0383E Error validating parameters
Note: Our servers does not have any ENHPacks. Only ECC 6.0.
Please suggest what might have gone wrong and how to resolve this.
Thanks!

Hi Gourav Khare,
I have created WSDL file through function module in SAP-ECC 5.0v.
I have followed below steps:
Crated FM (SE37)
Crated Web-service (SE37)
Generated WSDL file using (WSADMIN)
And consumed WSDF file in SOAP UI (SOAP UI 4.5.2 Trailer version)
Problem is: while consuming WSDL file in SOAP UI I getting ‘Serialisation failed’
For your reference I have furnished xml string below.
SOAP UI Input:
<soapenv:Envelope xmlns:soapenv="http://schemas.xmlsoap.org/soap/envelope/" xmlns:urn="urn:sap-com:document:sap:rfc:functions">
<soapenv:Header/>
<soapenv:Body>
<urn:YSDF_INV_PRINT_FINAL_RFC_WS_N>

<PWR_INVOICE>
<INVOICE_SHIPPED_LINE>

<item>
<POSITION1></POSITION1>
<SALES_PART></SALES_PART>
                  <PART_DESC></PART_DESC>
<PRICE></PRICE>
<QUANTITY></QUANTITY>
<CUSTOMER_TAX_NO></CUSTOMER_TAX_NO>
<PROD_NONINVENTORY></PROD_NONINVENTORY>
<PROD_TAXABLE></PROD_TAXABLE>
<TAX_LEVEL></TAX_LEVEL>
</item>
</INVOICE_SHIPPED_LINE>
<INVOICE_NO></INVOICE_NO>
<ORDER_NO></ORDER_NO>
<DATE_PRINTED></DATE_PRINTED>
<DIV_CD></DIV_CD>
            <LAST_COST_INVOICE></LAST_COST_INVOICE>
<DELETE_ZERO_COST></DELETE_ZERO_COST>
<DELETE_NON_SHIPPED></DELETE_NON_SHIPPED>
<GLOBALREF></GLOBALREF>
<ORIGIN></ORIGIN>
<ORIGINID></ORIGINID>
</PWR_INVOICE>
</urn:YSDF_INV_PRINT_FINAL_RFC_WS_N>
</soapenv:Body>
</soapenv:Envelope>
SOAP UI Output:
<soap-env:Envelope xmlns:soap-env="http://schemas.xmlsoap.org/soap/envelope/">
<soap-env:Body>
<soap-env:Fault>
<faultcode>soap-env:Client</faultcode>
<faultstring xml:lang="en">Serialisation failed</faultstring>
<detail>
<n0:SimpleTransformationFault xmlns:n0="http://www.sap.com/transformation-templates">
<MainName>/1BCDWB/WSS0130716111624448000</MainName>
<ProgName>/1BCDWB/WSS0130716111624448000</ProgName>
<Line>8</Line>
<Valid>X</Valid>
<ReferenceFault>
<DescriptionText>Error accessing the ref. node 'INVOICE_ID'</DescriptionText>
<RefName>INVOICE_ID</RefName>
</ReferenceFault>
<Caller>
                  <Class>CL_SRG_RFC_PROXY_CONTEXT</Class>
<Method>IF_SXML_PART~DECODE</Method>
<Positions>1</Positions>
</Caller>
</n0:SimpleTransformationFault>
</detail>
</soap-env:Fault>
</soap-env:Body>
</soap-env:Envelope>
And one more things are
I don't know the exact reason, but now the WSDL is working fine. No Idea, will it be consistent.
No changes in import and export parameters of RFC and no change in code, even if the logic is changed it should not affect the output on SOAP UI but in my case it does.
Wonder why all this happens, I cannot explain the exact reason technically because my RFC works fine every time, only issue is with SOAP UI.
From SAP point of view FM is working fine, and input parameter of FM is optional, validations are done by the programming logic and it will capture the message and its details with respect to input data.
I am not sure SOAP will work consistently and we are using ECC 5.0 most of the t-code not there like "SOAMANAGER" and all.
Kindly help me on this
Thanks & Regards,
   Akshath.L.T

Expose a Bapi as web service

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