spring web services

Hi,
I am developing a SOAP web service using Spring 3.0, Spring-WS, SpringSource toolsuite
 running tc server v6.   When I run the application on the server, I get the following
exception in SpringSource toolsuite.

"type Exception report message description
 The server encountered an internal error () that prevented it from fulfilling this request.
 exception javax.servlet.ServletException: Wrapper cannot find
 servlet class org.springframework.ws.transport.http.MessageDispatcherServlet
 or a class it depends on
 com.springsource.insight.collection.tcserver.requ est.
HttpRequestOperationCollectionValve.invoke(HttpRequestOperationCollectionValve.java:60)
      org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)      
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:293)    
 org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:849)      
org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583)  
  org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:379)    
 java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)    
 java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)    
 java.lang.Thread.run(Thread.java:619)"

The org.springframework.ws.transport.http.MessageDispatcherServlet  class is contained within
the spring-ws-core-2.0.0.RELEASE.jar which is on my classpath.
 I have verified that the .JAR is contained within the WAR file but still getting the above exception.
any help is appreciated.
Thanks, George