org.apache.jasper.JasperException:?An?exception?occurred?processing?JSP?page?/details.jsp?at?line?101 98:?????????????? 99:???????????????Cookie?cookie?=?new?Cookie("ListViewCookies",list); 100:??????????????//?System.out.println(list); 101:???????????????response.addCookie(cookie); 102:??????????? 103:???????????%> 104:???????????<!--?嫻忚榪囩殑鍟嗗搧?--> Stacktrace: org.apache.jasper.servlet.JspServletWrapper.handleJspException(JspServletWrapper.java:588) 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:53)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:384) org.apache.jsp.details_jsp._jspService(details_jsp.java:231) 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) 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:53)note?The full stack trace of the root cause is available in the Apache Tomcat/9.0.0.M9 logs.