details.jsp页面的 response.addCookie(cookie);报错

Question

严重: Servlet.service() for servlet [jsp] in context with path [/JspViewListDemo] threw exception [An exception occurred processing JSP page /details.jsp at line 107104:                   }105:               }106:               Cookie cookie = new Cookie("ListViewCookie",list);107:               response.addCookie(cookie); //这一行报错108:           109:           %>110:           Stacktrace:] with root causejava.lang.IllegalArgumentException: An invalid character [44] was present in the Cookie value    at org.apache.tomcat.util.http.Rfc6265CookieProcessor.validateCookieValue(Rfc6265CookieProcessor.java:160)    at org.apache.tomcat.util.http.Rfc6265CookieProcessor.generateHeader(Rfc6265CookieProcessor.java:109)    at org.apache.catalina.connector.Response.generateCookieString(Response.java:989)    at org.apache.catalina.connector.Response.addCookie(Response.java:937)    at org.apache.catalina.connector.ResponseFacade.addCookie(ResponseFacade.java:391)    at org.apache.jsp.details_jsp._jspService(details_jsp.java:237)    at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)    at javax.servlet.http.HttpServlet.service(HttpServlet.java:729)    at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:443)    at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:385)    at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:329)    at javax.servlet.http.HttpServlet.service(HttpServlet.java:729)    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:230)    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:165)    at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53)    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:192)    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:165)    at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:199)    at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:108)    at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:522)    at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:140)    at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:79)    at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:620)    at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:87)    at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:343)    at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:1096)    at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66)    at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:760)    at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.run(NioEndpoint.java:1480)    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)    at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)    at java.lang.Thread.run(Thread.java:745)-----------------求大牛指教

Answer 1

我也学到这里了，其实很简单，你看报错信息An invalid character [44] was present in the Cookie value，ascii为44的字符是“，”，说明cookie不支持“，”，你可以换成“#”，可能与toncat版本有关，但是为了这个去换tomcat有点得不偿失

Answer 2

java.lang.IllegalArgumentException指不合法的参数异常，从你的参数看你应该是想把一个List集合放到cookie中，cookie只支持存放字符串。

Answer 3

谢了  ~~