success.jsp頁面進不去了啊 錯誤500 怎么回事 啊 求大神求大神
三月 02, 2017 8:31:25 下午 org.apache.catalina.core.StandardWrapperValve invoke
嚴重: Servlet.service() for servlet [jsp] in context with path [/LoginFilter] threw exception
java.lang.ClassCastException: org.apache.catalina.connector.RequestFacade cannot be cast to javax.servlet.http.HttpServletResponse
at com.imooc.filter.LoginFilter.doFilter(LoginFilter.java:26)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:218)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:122)
at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:505)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostVa
代碼跟老師的打得 ?感覺沒毛病啊
@Override
public void doFilter(ServletRequest arg0, ServletResponse arg1,
FilterChain chain) throws IOException, ServletException {
? ? ? ?HttpServletRequest request= ?(HttpServletRequest) ?arg0;
? ? ? ?HttpServletResponse response= ?(HttpServletResponse) ?arg0;
? ?HttpSession session = request.getSession();
? ?
? ? ? ? ? if( session.getAttribute("username")!=null){
? ? ? ? ? ?chain.doFilter(arg0, arg1);
? ? ? ? ? ?
? ? ? ? ? }else {
? ? ? ? ?response.sendRedirect("login.jsp");
? ? ? ? ? }
? ? ? ? ??
? ? ? ?
? ? ? ?
}
HTTP Status 500 - org.apache.catalina.connector.RequestFacade cannot be cast to javax.servlet.http.HttpServletResponse
2017-03-04
<filter> ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?
<filter-name>CharactorFilter</filter-name>
<filter-class>com.lyq.CharactorFilter</filter-class>
<init-param>
<param-name>encoding</param-name>
<param-value>UTF-8</param-value>
</init-param>
</filter>
<filter-mapping>
<filter-name>CharactorFilter</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
2017-03-03
你看看是不是在web.xml中過濾器的路徑設置的不對，好像跟這個帖子說的類似
http://stackoverflow.com/questions/35381693/severe-servlet-service-for-servlet-package-in-context-with-path-portal-t