What You May Need to Know About Multiple Schema Elements in a WSDL Types Section
If there are multiple <schema> elements in a wsdl <types> section, 
               getElement() method takes only the first <schema> element in the following scenarios:
                  - 
                        If there are no targetNamespaceelements.
- 
                        If <schema>elements under<wsdl:types>have the sametargetNamespace.
To avoid this, ensure that each schema element contains:
                  
               - 
                        A targetNamespaceelement.
- 
                        Each targetNamespaceelement is different from the other in each schema.
The following is the example of <wsdl:types> section with different targetNamespace elements.
               
<wsdl:types> 
  <schema xmlns="http://www.example.com/2001/XMLSchema" 
	targetNamespace="http://namespace1.name/"> 
    <import namespace="http://xmlns.example.com/singleString" 
	schemaLocation="../Schemas/singleString.xsd" /> 
  </schema> 
  <schema xmlns="http://www.example.com/2001/XMLSchema" 
	targetNamespace="http://namespace2.name/"> 
    <import namespace="http://xmlns.example.com/pcbpel/samples/expense" 
	schemaLocation="../Schemas/mqresponse.xsd" /> 
  </schema> 
</wsdl:types>