Problemas com conexao com webservice

14:28:59,274 ERROR [TurmaBdoWSSOAPImpl] url parameter must not be null

java.lang.IllegalArgumentException: url parameter must not be null

at javax.xml.bind.helpers.AbstractUnmarshallerImpl.unmarshal(AbstractUnmarshallerImpl.java:147)

at br.com.cpqd.service.ejb.WorkforceServiceLocator.loadXMLServices(WorkforceServiceLocator.java:98)

at br.com.cpqd.service.ejb.WorkforceServiceLocator.(WorkforceServiceLocator.java:44)

at br.com.cpqd.service.ejb.WorkforceServiceLocator.getInstance(WorkforceServiceLocator.java:57)

at br.com.cpqd.eletropaulo.tecmoveis.bdo.ws.turma.TurmaBdoWSSOAPImpl.getTurmaDaoBean(TurmaBdoWSSOAPImpl.java:151)

at br.com.cpqd.eletropaulo.tecmoveis.bdo.ws.turma.TurmaBdoWSSOAPImpl.getTurma(TurmaBdoWSSOAPImpl.java:38)

at br.com.cpqd.eletropaulo.tecmoveis.bdo.ws.turma.TurmaBdoWSSOAPSkeleton.getTurma(TurmaBdoWSSOAPSkeleton.java:92)

at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)

at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)

at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)

at java.lang.reflect.Method.invoke(Method.java:597)

at org.apache.axis.providers.java.RPCProvider.invokeMethod(RPCProvider.java:397)

at org.apache.axis.providers.java.RPCProvider.processMessage(RPCProvider.java:186)

at org.apache.axis.providers.java.JavaProvider.invoke(JavaProvider.java:323)

at org.apache.axis.strategies.InvocationStrategy.visit(InvocationStrategy.java:32)

at org.apache.axis.SimpleChain.doVisiting(SimpleChain.java:118)

at org.apache.axis.SimpleChain.invoke(SimpleChain.java:83)

at org.apache.axis.handlers.soap.SOAPService.invoke(SOAPService.java:454)

at org.apache.axis.server.AxisServer.invoke(AxisServer.java:281)

at org.apache.axis.transport.http.AxisServlet.doPost(AxisServlet.java:699)

at javax.servlet.http.HttpServlet.service(HttpServlet.java:710)

at org.apache.axis.transport.http.AxisServletBase.service(AxisServletBase.java:327)

at javax.servlet.http.HttpServlet.service(HttpServlet.java:803)

at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)

at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)

at org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96)

at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)

at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)

at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:230)

at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175)

at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:182)

at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:84)

at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)

at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)

at org.jboss.web.tomcat.service.jca.CachedConnectionValve.invoke(CachedConnectionValve.java:157)

at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)

at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:262)

at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844)

at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583)

at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:446)

at java.lang.Thread.run(Thread.java:662)