Calling Web Services between two SAP systems.

[Former Member]

Hi Experts,

I am trying to trigger a web service created in one of the SAP system from a different R/3 system through WDA.

Kindly help me out on what are the configurations to be done like linking two systems (do i require this?) etc..

I have successfully obtained the WSDL file, but could not use it in my second system. It says , it encountered an error. I wonder if i am required to do any configurations.

All suggestions are welcome.

Thanks and Regards,

Anto.

[Former Member · Accepted solution]

Hi Antony,

could you be slightly more specific about the error you are getting while executing.

What is the exact error message that you are getting..?

Regards

Pushkar

[Former Member · Accepted solution]

Hi Pushkar,

The error is - <u><i>Error while reading from file - <WSDL URL></i></u>.

Nothing else. I tried this in a adobe form.

Thanks and Regards,

Anto.

[Former Member · Accepted solution]

Hi Antony,

By Proxy Object, I meant Class to consume WebService in your second system.

Lemme summarize, what you have done and lemme know where I am wrong.

System A.

You exposed an RFC enabled Func Module or BAPI as a webservice.

After this you have checked it using WSADMIN, and you have tested this as well.

And finally you saved the WSDL file of this Web Service.

System B.

you create a Proxy Object as specified in the link I provided.

you create the RFC destination n did the Logical Port Configuration as per that link.

Now you can use this proxy class any where , in any abap code.

you can use this in WDA as well.

But before doing so, I would suggest to write a test report as suggested in the link and test if your webservice is working fine.

Now please tell me where did you do the things differently.

Regards

Pushkar

[Former Member · Accepted solution]

Hi Pushkar,

I tested it in a program, but the web service is not providing the desired result.. any idea regarding this?

I checked the result by testing the web service.

-anto.

[Former Member · Accepted solution]

Hi Antony,

it means there is a system error, probably the RFC destination is not defined properly.

you can check the exact error by catching the exceptions in your code using

Catch between

Try

&

End Try.

Well, when you create your RFC Destination, just provide the hsot name and service no is 80 + your system no.

leave path prefix blank.

On logon security tab use basic authentication radio button with target sys user id n pwd.

when you create the logical port using LPCONFIG, provide the RFC destination name against the http destination and path suffix in the following format.

/sap/bc/srt/rfc/sap/<function module name>?sap-client=950

Regards

Pushkar

[Former Member · Accepted solution]

Dude, thank you very much :). You guessed it rite.

issue resolved

Good !!.

- anto.

[Former Member]

Hi Antony,

How did you try this. I do not have much idea about WDA.

Well, my approach would be

1) Creating a Proxy Object using SE80 as suggested in the following blog.

https://www.sdn.sap.com/irj/sdn/go/portal/prtroot/docs/library/uuid/6066fbe8-edc4-2910-9584-a9601649...

2) Using this in your method in WDA.

Regards

Pushkar

[Former Member]

Hi,

I am able to create the proxy and linking the web service etc. but when i am using the web service from a different system, i am getting the error saying - an error has occured in the same.

Kindly help.

Thanks and Regards,

Anto.