Unable to execute webservice model.

[Former Member]

Hi,

The scenario I have in hand is this -

I have created a Webdynpro application wherein I have a <b>Webservice model</b>(Created from a WSDL file), a <b>custom controller</b>, a <b>view</b> which is mapped to my controller.

The structure of my context is as below -

Context
  |-OrderWS
      |- RequestNode
          |-Item
             |-Item1
             |-Item2
             |-Item3
          |-Order
             |-ItemA
             |-ItemB
       |-ResponseNode

The properties of the nodes are as below -

Property of <b>orderWS node</b>

Cardinality : 0...1

Collection Type: list

initialleadselection:true

selection:0..1

singleton: true

typedaccessrequired: true

Property of <b>Requestnode</b>

Cardinality : 0...1

Collection Type: list

initialleadselection:true

selection:0..1

singleton: true

typedaccessrequired: true

Property of <b>NodeA</b> & <b>Node B</b>

Cardinality : 0...1

Collection Type: list

initialleadselection:true

selection:0..1

singleton: true

typedaccessrequired: true

I have done the necessary mappings between my view

<->Controller <-> Model.

When I execute my application , I get an error message "Service call exception; nested exception is: com.sap.engine.services.webservices.jaxrpc.exceptions.XmlMarshalException: XML Serialization Error. Property [Node B] of class [com.sample.createorder.proxies.types.DT_OrderREQUEST_HTTP] must exist and can not be null. This is required by schema description."

Is this because I have not set certain values of the "order" node?

Have I missed out anything necessary to execute the model?

Please suggest.

-Ashwini.

[Former Member]

Hello Ashwini,

Check out this thread . I guess this work around will solve your problem.

Bala

[Former Member]

Hi Ashwini,

You need to set certain attributes before calling the webservice.

Please check the mandatory attributes and set those attributes uisng

wdContext.current<<Node>>element().set<<Attrib>>(<<Value>>)

and call the webservice.

Best Regards, Anilkumar

[Former Member]

You will not be able to change it from the view. Try to change it from the controller as the nodes are mapped to the controller from the view.

Noufal

[Former Member]

Hi Ashwini,

change the cardinality property of your Request node to 1...1 or 1...n. It shouldn't be 0...1.

Regards,

Satyajit.

Message was edited by: Satyajit Chakraborty

[Former Member]

Hi Satyajit,

How do I change the cardinality of the Request node? I did try changing the same from the Properties tab, but could not as it was not editable..

Please help.

Regards,

Ashwini