response.addCookie(cookie);报错分析

HTTP Status 500 – Internal Server ErrorType 异常报告消息 在 [27] 行处理 [/a03-1.jsp] 时发生异常描述 服务器遇到一个意外的情况，阻止它完成请求。Exceptionorg.apache.jasper.JasperException: 在 [27] 行处理 [/a03-1.jsp] 时发生异常24: //    4.璁剧疆cookie鏈夋晥鏈�
25:     cookie.setMaxAge(60*60*24*30);
26: //    5.淇濆瓨cookie
27:     response.addCookie(cookie);
28: %>
29: <script type="text/javascript">window.location.href="a03.jsp"</script>
30: </body>Stacktrace:org.apache.jasper.servlet.JspServletWrapper.handleJspException(JspServletWrapper.java:625)org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:514)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:741)org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53)Root Causejava.lang.IllegalArgumentException: An invalid character [32] was present in the Cookie valueorg.apache.tomcat.util.http.Rfc6265CookieProcessor.validateCookieValue(Rfc6265CookieProcessor.java:182)org.apache.tomcat.util.http.Rfc6265CookieProcessor.generateHeader(Rfc6265CookieProcessor.java:115)org.apache.catalina.connector.Response.generateCookieString(Response.java:976)org.apache.catalina.connector.Response.addCookie(Response.java:928)org.apache.catalina.connector.ResponseFacade.addCookie(ResponseFacade.java:385)org.apache.jsp.a03_002d1_jsp._jspService(a03_002d1_jsp.java:148)org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)javax.servlet.http.HttpServlet.service(HttpServlet.java:741)org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:476)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:741)org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53)Note 主要问题的全部 stack 信息可以在 server logs 里查看
Apache Tomcat/9.0.19

java.lang.IllegalArgumentException: An invalid character [32] was present in the Cookie value
[32]是空格，所以在代码里去除空格就行了。

//    1.设置编码request.setCharacterEncoding("GB18030");
//    2.获取用户名String user= URLEncoder.encode(request.getParameter("user"),"utf-8");
//    3.创建cookieCookie cookie=new Cookie("myCookie",user+"#"+new java.util.Date().toLocaleString());
//    4.设置cookie有效期cookie.setMaxAge(60*60*24*30);
//    5.保存cookieresponse.addCookie(cookie);

问题应该出在date上，要重新定义date的格式

<%
//    1.设置编码request.setCharacterEncoding("GB18030");
//    2.获取用户名String user= URLEncoder.encode(request.getParameter("user"),"utf-8");
//    3.创建cookie//   Cookie cookie=new Cookie("myCookie",user+"#"+new java.util.Date().toLocaleString());//date 的值有空格，影响保存
//    3.1设置dateDate date = new Date();SimpleDateFormat simpleDateFormat = new SimpleDateFormat("yyyy-MM-dd-hh:mm:ss");String time=simpleDateFormat.format(date);
//    3.2 创建cookieCookie cookie=new Cookie("myCookie",user+"#"+time);
//    4.设置cookie有效期cookie.setMaxAge(60*60*24*30);cookie.setPath("/");
//    5.保存cookieresponse.addCookie(cookie);
%>

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response.addCookie(cookie);报错分析

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