HTTP Status 500 - Request processing failed; nested exception is java.lang.IllegalArgumentException: Control character in cookie value or attribute.

 type Exception report

 message Request processing failed; nested exception is java.lang.IllegalArgumentException: Control character in cookie value or attribute.

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

 exception

 org.springframework.web.util.NestedServletException: Request processing failed; nested exception is java.lang.IllegalArgumentException: Control character in cookie value or attribute.

     org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:982)

     org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:872)

     javax.servlet.http.HttpServlet.service(HttpServlet.java:650)

     org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:846)

     javax.servlet.http.HttpServlet.service(HttpServlet.java:731)

     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)

 root cause

 java.lang.IllegalArgumentException: Control character in cookie value or attribute.

     org.apache.tomcat.util.http.CookieSupport.isHttpSeparator(CookieSupport.java:205)

     org.apache.tomcat.util.http.CookieSupport.isHttpToken(CookieSupport.java:229)

     org.apache.tomcat.util.http.ServerCookie.appendCookieValue(ServerCookie.java:185)

     org.apache.catalina.connector.Response.generateCookieString(Response.java:1054)

     org.apache.catalina.connector.Response.addCookie(Response.java:996)

     org.apache.catalina.connector.ResponseFacade.addCookie(ResponseFacade.java:380)

     admin.membersheep.hk.Controller.HomeController.Login(HomeController.java:327)

     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)

     org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:220)

     org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:134)

     org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:116)

     org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:827)

     org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:738)

     org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:85)

     org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:963)

     org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:897)

     org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:970)

     org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:872)

     javax.servlet.http.HttpServlet.service(HttpServlet.java:650)

     org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:846)

     javax.servlet.http.HttpServlet.service(HttpServlet.java:731)

     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)

 note The full stack trace of the root cause is available in the Apache Tomcat/7.0.85 logs.

javax.servlet.http.Cookie realCookie = new javax.servlet.http.Cookie(java.net.URLEncoder.encode(temp.getName(),"utf8"),java.net.URLEncoder.encode(temp.getValue(),"utf8"));