Исключение при анализе wsdl

Description Resource    Path    Location    Type
WS-I: A problem occured while running the WS-I WSDL conformance check:
org.eclipse.wst.wsi.internal.analyzer.WSIAnalyzerException: null

  Nested exception is: 

  java.lang.NullPointerException
The WSDLAnalyzer was unable to validate the given WSDL File.
ChangedElements.wsdl    /wstest/WebContent/wsdl line 1  WSDL Problem

Обновление:

Netbeans выдает эту ошибку:

cvc-elt.1: Cannot find the declaration of element 'wsdl:definitions'. [7]

Часть wsdl:

<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<wsdl:definitions   xmlns:soap="http://schemas.xmlsoap.org/wsdl/soap/"
                    xmlns:tns="http://www.example.org/xxx/"
                    xmlns:wsdl="http://schemas.xmlsoap.org/wsdl/"
                    xmlns:xsd="http://www.w3.org/2001/XMLSchema"
                    name="xxx"
                    targetNamespace="http://www.example.org/xxx/">