tomcat不能访问欢迎页面

启动后输入http://localhost:8080/没有显示任何内容,在日志里有：

严重:   An   exception   or   error   occurred   in   the   container   during   the   request   processing
java.lang.NoSuchMethodError:   javax.servlet.http.HttpServletRequest.removeAttribute(Ljava/lang/String;)V
at   org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:278)
at   org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:104)
……