WSIF - Erro invocando serviço!

500 Internal Server Error

org.apache.wsif.WSIFException: could not load http://ws.cdyne.com/ziptogeo/zip2geo.asmx?WSDL; nested exception is: 
	WSDLException: faultCode=CONFIGURATION_ERROR: Problem instantiating factory implementation.: org.apache.wsif.wsdl.WSIFWSDLFactoryImpl: java.lang.ClassNotFoundException: org.apache.wsif.wsdl.WSIFWSDLFactoryImpl
	at com.evermind[Oracle Application Server Containers for J2EE 10g (10.1.2.0.2)].naming.ContextClassLoader.findClass(ContextClassLoader.java:500)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:289)
	at com.evermind[Oracle Application Server Containers for J2EE 10g (10.1.2.0.2)].naming.ContextClassLoader.loadClass(ContextClassLoader.java:143)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:235)
	at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:302)
	at java.lang.Class.forName0(Native Method)
	at java.lang.Class.forName(Class.java:141)
	at javax.wsdl.factory.WSDLFactory.newInstance(WSDLFactory.java:76)
	at org.apache.wsif.util.WSIFUtils.readWSDL(Unknown Source)
	at org.apache.wsif.base.WSIFServiceImpl.<init>(Unknown Source)
	at org.apache.wsif.base.WSIFServiceFactoryImpl.getService(Unknown Source)
	at br.services.client.JClientZip2GeoSoap.doGet(JClientZip2GeoSoap.java:33)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:740)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
	at com.evermind[Oracle Application Server Containers for J2EE 10g (10.1.2.0.2)].server.http.ServletRequestDispatcher.invoke(ServletRequestDispatcher.java:824)
	at com.evermind[Oracle Application Server Containers for J2EE 10g (10.1.2.0.2)].server.http.ServletRequestDispatcher.forwardInternal(ServletRequestDispatcher.java:330)
	at com.evermind[Oracle Application Server Containers for J2EE 10g (10.1.2.0.2)].server.http.HttpRequestHandler.processRequest(HttpRequestHandler.java:830)
	at com.evermind[Oracle Application Server Containers for J2EE 10g (10.1.2.0.2)].server.http.HttpRequestHandler.run(HttpRequestHandler.java:285)
	at com.evermind[Oracle Application Server Containers for J2EE 10g (10.1.2.0.2)].server.http.HttpRequestHandler.run(HttpRequestHandler.java:126)
	at com.evermind[Oracle Application Server Containers for J2EE 10g (10.1.2.0.2)].util.ReleasableResourcePooledExecutor$MyWorker.run(ReleasableResourcePooledExecutor.java:192)
	at java.lang.Thread.run(Thread.java:534)

	at org.apache.wsif.base.WSIFServiceImpl.<init>(Unknown Source)
	at org.apache.wsif.base.WSIFServiceFactoryImpl.getService(Unknown Source)
	at br.services.client.JClientZip2GeoSoap.doGet(JClientZip2GeoSoap.java:33)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:740)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
	at com.evermind[Oracle Application Server Containers for J2EE 10g (10.1.2.0.2)].server.http.ServletRequestDispatcher.invoke(ServletRequestDispatcher.java:824)
	at com.evermind[Oracle Application Server Containers for J2EE 10g (10.1.2.0.2)].server.http.ServletRequestDispatcher.forwardInternal(ServletRequestDispatcher.java:330)
	at com.evermind[Oracle Application Server Containers for J2EE 10g (10.1.2.0.2)].server.http.HttpRequestHandler.processRequest(HttpRequestHandler.java:830)
	at com.evermind[Oracle Application Server Containers for J2EE 10g (10.1.2.0.2)].server.http.HttpRequestHandler.run(HttpRequestHandler.java:285)
	at com.evermind[Oracle Application Server Containers for J2EE 10g (10.1.2.0.2)].server.http.HttpRequestHandler.run(HttpRequestHandler.java:126)
	at com.evermind[Oracle Application Server Containers for J2EE 10g (10.1.2.0.2)].util.ReleasableResourcePooledExecutor$MyWorker.run(ReleasableResourcePooledExecutor.java:192)
	at java.lang.Thread.run(Thread.java:534)
Caused by: WSDLException: faultCode=CONFIGURATION_ERROR: Problem instantiating factory implementation.: org.apache.wsif.wsdl.WSIFWSDLFactoryImpl: java.lang.ClassNotFoundException: org.apache.wsif.wsdl.WSIFWSDLFactoryImpl
	at com.evermind[Oracle Application Server Containers for J2EE 10g (10.1.2.0.2)].naming.ContextClassLoader.findClass(ContextClassLoader.java:500)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:289)
	at com.evermind[Oracle Application Server Containers for J2EE 10g (10.1.2.0.2)].naming.ContextClassLoader.loadClass(ContextClassLoader.java:143)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:235)
	at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:302)
	at java.lang.Class.forName0(Native Method)
	at java.lang.Class.forName(Class.java:141)
	at javax.wsdl.factory.WSDLFactory.newInstance(WSDLFactory.java:76)
	at org.apache.wsif.util.WSIFUtils.readWSDL(Unknown Source)
	at org.apache.wsif.base.WSIFServiceImpl.<init>(Unknown Source)
	at org.apache.wsif.base.WSIFServiceFactoryImpl.getService(Unknown Source)
	at br.services.client.JClientZip2GeoSoap.doGet(JClientZip2GeoSoap.java:33)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:740)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
	at com.evermind[Oracle Application Server Containers for J2EE 10g (10.1.2.0.2)].server.http.ServletRequestDispatcher.invoke(ServletRequestDispatcher.java:824)
	at com.evermind[Oracle Application Server Containers for J2EE 10g (10.1.2.0.2)].server.http.ServletRequestDispatcher.forwardInternal(ServletRequestDispatcher.java:330)
	at com.evermind[Oracle Application Server Containers for J2EE 10g (10.1.2.0.2)].server.http.HttpRequestHandler.processRequest(HttpRequestHandler.java:830)
	at com.evermind[Oracle Application Server Containers for J2EE 10g (10.1.2.0.2)].server.http.HttpRequestHandler.run(HttpRequestHandler.java:285)
	at com.evermind[Oracle Application Server Containers for J2EE 10g (10.1.2.0.2)].server.http.HttpRequestHandler.run(HttpRequestHandler.java:126)
	at com.evermind[Oracle Application Server Containers for J2EE 10g (10.1.2.0.2)].util.ReleasableResourcePooledExecutor$MyWorker.run(ReleasableResourcePooledExecutor.java:192)
	at java.lang.Thread.run(Thread.java:534)

	at javax.wsdl.factory.WSDLFactory.newInstance(WSDLFactory.java:81)
	at org.apache.wsif.util.WSIFUtils.readWSDL(Unknown Source)
	... 12 more