Wednesday, April 13, 2011

Creation of a web service in SAP

“In this Scenario, I would like to explain about creating a Web Service with a simple scenario.”

Creating a Web Service

In the function library (SE37), display the function module.

Open the function Module : ME_GET_CURRENT_USER_ID

Choose Utilities -> More Utilities -> Creating a Web Service -> From Function Module.

In the Web Service Creation Wizard, choose Continue.

Enter the name of the Web Service Definition

In the following screen, enter the required data and select the checkbox Name Mapping. If the checkbox Name Mapping is ticked, the wizard accepts the existing names for the end point.

Choose Continue.

In the following screen, enter the required data and select the checkbox Release Service for runtime.

Choose Continue.

Choose Complete.

Save as local object.

Open the transaction WSADMIN.

Select the Web service definition you have created under SOAP Application for RFC-Compliant FMs

Select and expand the “ZWEB_GET_CURRENT_USER” and select the Web Service as shown in screen.

You have entered the address of the application server on which the J2EE Engine is running in transaction WSADMIN under Goto -> Administration Settings.

Check the J2EE Server and check in your server.

Choose Web Service Homepage (Execute Button ).

Select the “Document Style” under Style definition in WSDL.

The Web service requires authentication.

Enter the user and password

Click on the “Test”.

Select the “Operations”.

Fill in values for the method parameters underneath the heading Request if required. Choose Send.

The required values are displayed under the Response heading. The Web service has not been tested successfully.

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