I am doing spring web services example of this link (<http://justcompiled.blogspot.in/2010/09/building-web-service-with-spring-ws.html>) , I got exception.

Any kind of advice for successful run this project.

My Project Configuration:

> 
> Tool : Eclilpse Indigo,
> 
> 
> Server : Tomcat 7.
> 
> 
> Java : JDK, JRE 1.6
> 
> 
> Deploy: Weapps (Inside my project )
> 
> 
> 

My Exception:

HTTP Status 500 -

type Exception report

message

description The server encountered an internal error () that prevented it from fulfilling this request.

exception

```
javax.servlet.ServletException: Servlet.init() for servlet spring-ws threw exception
    org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:472)
    org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:100)
    org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:929)
    org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:405)
    org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:269)
    org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:515)
    org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:300)
    java.util.concurrent.ThreadPoolExecutor$Worker.runTask(Unknown Source)
    java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
    java.lang.Thread.run(Unknown Source)
root cause

java.lang.NoSuchFieldError: APPLICATION_CONTEXT_ID_PREFIX
    org.springframework.web.servlet.FrameworkServlet.createWebApplicationContext(FrameworkServlet.java:431)
    org.springframework.web.servlet.FrameworkServlet.createWebApplicationContext(FrameworkServlet.java:459)
    org.springframework.web.servlet.FrameworkServlet.initWebApplicationContext(FrameworkServlet.java:340)

```