代码运行报错

Question

HTTP Status 500 - An exception occurred processing JSP page /details.jsp at line 106

type Exception report

message An exception occurred processing JSP page /details.jsp at line 106

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

exception

org.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 cause

java.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