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Understanding Web Service References

To utilize Web services in Oracle Application Express, you create a Web service reference using a wizard. Web service references can be based either on a Web Services Description Language (WSDL) document or created manually by supplying information about the service.

When you create a Web service reference based on a WSDL, the wizard analyzes the WSDL and collects all the necessary information to create a valid SOAP message, including:

When you create a Web service reference manually, you supply the necessary information to create a valid SOAP request, including:

Accessing the Web Service References Page

You manage Web service references on the Web Service References page.

To access the Web Service References page:

  1. On the Workspace home page, click the Application Builder icon.

  2. Select an application.

    Application Builder appears.

  3. Click Shared Components.

    The Shared Components page appears.

  4. Under Logic, click Web Service References.

    The Web Service References page appears.

Specifying an Application Proxy Server Address

If your environment requires a proxy server to access the Internet, you must specify a proxy server address on the Application Attributes page before you can create a Web service reference.

To specify a proxy address for an application:

  1. On the Workspace home page, click the Application Builder icon.

  2. Select an application.

    Application home page appears.

  3. Click Shared Components.

  4. Under Application, click Definition.

  5. Under Name, enter the proxy server in the Proxy Server field.

  6. Click Apply Changes.