java.lang.IllegalArgumentException: wrong number of arguments

sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)

sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)

sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)

java.lang.reflect.Method.invoke(Method.java:498)

com.mooc.cwz.web.handler.MappingHandler.handle(MappingHandler.java:41)

com.mooc.cwz.web.servlet.DispatcherServlet.service(DispatcherServlet.java:25)

Note The full stack trace of the root cause is available in the server logs.