Erro WebService Soap

Quando minha aplicação cliente tenta acessar o seguinte erro é gerado, alguem tem ideia do que possa ser?
Obrigado!

2010-08-21 07:42:50,215 SEVERE [com.sun.xml.ws.transport.http.HttpAdapter] (http-192.168.1.120-8080-1) Couldn't create SOAP message due to exception: XML reader error: com.ctc.wstx.exc.WstxEOFException: Unexpected EOF in prolog
 at [row,col {unknown-source}]: [1,0]
com.sun.xml.ws.protocol.soap.MessageCreationException: Couldn't create SOAP message due to exception: XML reader error: com.ctc.wstx.exc.WstxEOFException: Unexpected EOF in prolog
 at [row,col {unknown-source}]: [1,0]
	at com.sun.xml.ws.encoding.SOAPBindingCodec.decode(SOAPBindingCodec.java:292)
	at com.sun.xml.ws.transport.http.HttpAdapter.decodePacket(HttpAdapter.java:276)
	at com.sun.xml.ws.transport.http.HttpAdapter.access$500(HttpAdapter.java:93)
	at com.sun.xml.ws.transport.http.HttpAdapter$HttpToolkit.handle(HttpAdapter.java:432)
	at com.sun.xml.ws.transport.http.HttpAdapter.handle(HttpAdapter.java:244)
	at com.sun.xml.ws.transport.http.servlet.ServletAdapter.handle(ServletAdapter.java:135)
	at com.sun.xml.ws.transport.http.servlet.WSServletDelegate.doGet(WSServletDelegate.java:129)
	at com.sun.xml.ws.transport.http.servlet.WSServletDelegate.doPost(WSServletDelegate.java:160)
	at com.sun.xml.ws.transport.http.servlet.WSServlet.doPost(WSServlet.java:75)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:637)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
	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:235)
	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
	at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:190)
	at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:92)
	at org.jboss.web.tomcat.security.SecurityContextEstablishmentValve.process(SecurityContextEstablishmentValve.java:126)
	at org.jboss.web.tomcat.security.SecurityContextEstablishmentValve.invoke(SecurityContextEstablishmentValve.java:70)
	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:158)
	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:330)
	at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:829)
	at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:598)
	at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)
	at java.lang.Thread.run(Thread.java:619)
Caused by: com.sun.xml.ws.streaming.XMLStreamReaderException: XML reader error: com.ctc.wstx.exc.WstxEOFException: Unexpected EOF in prolog
 at [row,col {unknown-source}]: [1,0]
	at com.sun.xml.ws.streaming.XMLStreamReaderUtil.wrapException(XMLStreamReaderUtil.java:267)
	at com.sun.xml.ws.streaming.XMLStreamReaderUtil.next(XMLStreamReaderUtil.java:95)
	at com.sun.xml.ws.streaming.XMLStreamReaderUtil.nextContent(XMLStreamReaderUtil.java:110)
	at com.sun.xml.ws.streaming.XMLStreamReaderUtil.nextElementContent(XMLStreamReaderUtil.java:100)
	at com.sun.xml.ws.encoding.StreamSOAPCodec.decode(StreamSOAPCodec.java:174)
	at com.sun.xml.ws.encoding.StreamSOAPCodec.decode(StreamSOAPCodec.java:296)
	at com.sun.xml.ws.encoding.StreamSOAPCodec.decode(StreamSOAPCodec.java:128)
	at com.sun.xml.ws.encoding.SOAPBindingCodec.decode(SOAPBindingCodec.java:287)
	... 30 more
Caused by: com.ctc.wstx.exc.WstxEOFException: Unexpected EOF in prolog
 at [row,col {unknown-source}]: [1,0]
	at com.ctc.wstx.sr.StreamScanner.throwUnexpectedEOF(StreamScanner.java:686)
	at com.ctc.wstx.sr.BasicStreamReader.handleEOF(BasicStreamReader.java:2134)
	at com.ctc.wstx.sr.BasicStreamReader.nextFromProlog(BasicStreamReader.java:2040)
	at com.ctc.wstx.sr.BasicStreamReader.next(BasicStreamReader.java:1069)
	at com.sun.xml.ws.util.xml.XMLStreamReaderFilter.next(XMLStreamReaderFilter.java:92)
	at com.sun.xml.ws.streaming.XMLStreamReaderUtil.next(XMLStreamReaderUtil.java:76)
	... 36 more