To successfully validate wsdl, the wsdl (i.e., CourtRecordMDE.wsdl, FilingAssemblyMDE.wsdl, FilingReviewMDE.wsdl and ServiceMDE.wsdl) must be located relative to ../xsd/wrappers.xsd as specified in xsd:import schemaLocation attribute (e.g., as a peer folder to the xsd folder).