For details see

http://www.jboss.org/index.html?module=bb&op=viewtopic&p=3861347#3861347

You have a case where the type associated with a message part references a complex schema type and not a schema element that uses the schema type.

<message name="ItolEndPoint_getAccountResponse">
<part name="result" type="ns2:AccountTO"/>
</message>

For the element name jboss-4.0.1 defaults to the schema type name instead of the wsdl part name, which indeed is probably incorrect.