HTTP Status 500 - java.lang.ClassNotFoundException: org.apache.jsp.login.jsp

eclipse換成idea啟動項目，一直報這個錯。

找了一天的問題，網上說的各種辦法都試了，一直報這個錯。

type Exception report

message java.lang.ClassNotFoundException: org.apache.jsp.index_html

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

exception

org.apache.jasper.JasperException: java.lang.ClassNotFoundException: org.apache.js.index_html

org.apache.jasper.servlet.JspServletWrapper.getServlet(JspServletWrapper.java:176)

org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:375)

org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:396)

org.apache.jasper.servlet.JspServlet.service(JspServlet.java:340)

javax.servlet.http.HttpServlet.service(HttpServlet.java:729)

org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)

org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:197)

org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)

org.apache.shiro.web.servlet.AbstractShiroFilter.executeChain(AbstractShiroFilter.java:449)

org.apache.shiro.web.servlet.AbstractShiroFilter$1.call(AbstractShiroFilter.java:365)

org.apache.shiro.subject.support.SubjectCallable.doCall(SubjectCallable.java:90)

org.apache.shiro.subject.support.SubjectCallable.call(SubjectCallable.java:83)

org.apache.shiro.subject.support.DelegatingSubject.execute(DelegatingSubject.java:383)

org.apache.shiro.web.servlet.AbstractShiroFilter.doFilterInternal(AbstractShiroFilter.java:362)

org.apache.shiro.web.servlet.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:125)

org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:347)

org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:263)

root cause

java.lang.ClassNotFoundException: org.apache.jsp.index_html

java.net.URLClassLoader.findClass(URLClassLoader.java:381)

org.apache.jasper.servlet.JasperLoader.loadClass(JasperLoader.java:131)

org.apache.jasper.servlet.JasperLoader.loadClass(JasperLoader.java:62)

org.apache.jasper.servlet.JspServletWrapper.getServlet(JspServletWrapper.java:171)

org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:375)

org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:396)

org.apache.jasper.servlet.JspServlet.service(JspServlet.java:340)

javax.servlet.http.HttpServlet.service(HttpServlet.java:729)

org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)

org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:197)

org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)

org.apache.shiro.web.servlet.AbstractShiroFilter.executeChain(AbstractShiroFilter.java:449)

org.apache.shiro.web.servlet.AbstractShiroFilter$1.call(AbstractShiroFilter.java:365)

org.apache.shiro.subject.support.SubjectCallable.doCall(SubjectCallable.java:90)

org.apache.shiro.subject.support.SubjectCallable.call(SubjectCallable.java:83)

org.apache.shiro.subject.support.DelegatingSubject.execute(DelegatingSubject.java:383)

org.apache.shiro.web.servlet.AbstractShiroFilter.doFilterInternal(AbstractShiroFilter.java:362)

org.apache.shiro.web.servlet.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:125)

org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:347)

org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:263)

note The full stack trace of the root cause is available in the Apache Tomcat/8.0.33 logs.

      導入一個項目時總是遇到上述錯誤，後來經過排查發現，少了一個方法，這個方法在servelet-api.jar中，但是檢視源代碼發現并不存在該方法，但是存在一個類似的方法。之後發現自己使用的是最新的tomcat8.0伺服器，而servlet-api.jar是3.0的，是以換為tomcat7.0。然後導入的項目就可以啟動了。終于解決了這個問題。