代码运行报错

Question

HTTP Status 500 - An exception occurred processing JSP page /details.jsp at line 106type Exception reportmessage An exception occurred processing JSP page /details.jsp at line 106description The server encountered an internal error that prevented it from fulfilling this request.exceptionorg.apache.jasper.JasperException: An exception occurred processing JSP page /details.jsp at line 106 103:                   } 104:               } 105:               Cookie cookie = new Cookie("ListViewCookie",list); 106:               response.addCookie(cookie); 107:            108:           %> 109:           <!-- 娴忚杩囩殑鍟嗗搧 --> Stacktrace: org.apache.jasper.servlet.JspServletWrapper.handleJspException(JspServletWrapper.java:584) org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:481) org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:385) org.apache.jasper.servlet.JspServlet.service(JspServlet.java:329) javax.servlet.http.HttpServlet.service(HttpServlet.java:729) org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)root causejava.lang.IllegalArgumentException: An invalid character [44] was present in the Cookie value org.apache.tomcat.util.http.Rfc6265CookieProcessor.validateCookieValue(Rfc6265CookieProcessor.java:160) org.apache.tomcat.util.http.Rfc6265CookieProcessor.generateHeader(Rfc6265CookieProcessor.java:109) org.apache.catalina.connector.Response.generateCookieString(Response.java:989) org.apache.catalina.connector.Response.addCookie(Response.java:937) org.apache.catalina.connector.ResponseFacade.addCookie(ResponseFacade.java:386) org.apache.jsp.details_jsp._jspService(details_jsp.java:236) org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70) javax.servlet.http.HttpServlet.service(HttpServlet.java:729) org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:443)

Answer 1

已解决LIST是个string list;是因为分隔符号逗号引起的，不知道什么原因，不能用逗号，改用"#"就好了

Answer 2

Cookie cookie = new Cookie("ListViewCookie",list);

你往cookie里存了个List?

new Cookie("字符串"，"字符串"); 不可以是其他的