No WebApplicationContext found: no ContextLoaderListener registered?

控制台异常描述：

严重: Servlet.service() for servlet action threw exception
java.lang.IllegalStateException: No WebApplicationContext found: no ContextLoaderListener registered?
 at org.springframework.web.context.support.WebApplicationContextUtils.getRequiredWebApplicationContext(WebApplicationContextUtils.java:70)
 at org.springframework.web.struts.DelegatingActionUtils.findRequiredWebApplicationContext(DelegatingActionUtils.java:148)
 at org.springframework.web.struts.DelegatingRequestProcessor.initWebApplicationContext(DelegatingRequestProcessor.java:134)
 at org.springframework.web.struts.DelegatingRequestProcessor.init(DelegatingRequestProcessor.java:114)
 at org.apache.struts.action.ActionServlet.getRequestProcessor(ActionServlet.java:620)
 at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1910)
 at org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:449)
 at javax.servlet.http.HttpServlet.service(HttpServlet.java:617)
 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.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
 at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
 at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)
 at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
 at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
 at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:293)
 at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:849)
 at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583)
 at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:454)
 at java.lang.Thread.run(Thread.java:619)

 

页面异常描述：

HTTP Status 500 -

type Exception report

message

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

exception

java.lang.IllegalStateException: No WebApplicationContext found: no ContextLoaderListener registered?
	org.springframework.web.context.support.WebApplicationContextUtils.getRequiredWebApplicationContext(WebApplicationContextUtils.java:70)
	org.springframework.web.struts.DelegatingActionUtils.findRequiredWebApplicationContext(DelegatingActionUtils.java:148)
	org.springframework.web.struts.DelegatingRequestProcessor.initWebApplicationContext(DelegatingRequestProcessor.java:134)
	org.springframework.web.struts.DelegatingRequestProcessor.init(DelegatingRequestProcessor.java:114)
	org.apache.struts.action.ActionServlet.getRequestProcessor(ActionServlet.java:620)
	org.apache.struts.action.ActionServlet.process(ActionServlet.java:1910)
	org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:449)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:617)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:717)

解决办法： 
在web.xml 文件中加   
 <listener>
   <listener-class>
    org.springframework.web.context.ContextLoaderListener
   </listener-class>
  </listener>