Servlet编写cookie无法正确发布

[东天里的冬天]

代码:
public void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {

response.setContentType("text/html;charset=utf-8");
PrintWriter out = response.getWriter();
Cookie cookies[]=request.getCookies();
boolean b=true;
if(cookies!=null)
{
for(Cookie cookie:cookies)
{
String name=cookie.getName();
if("lastTime".equals(name))
{
out.print("您上次登录的时间是:"+cookie.getValue());
SimpleDateFormat sdf=new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
String time=sdf.format(new java.util.Date());
Cookie cookie1=new Cookie("lastTime",time);
cookie1.setMaxAge(3600*24);
response.addCookie(cookie1);
b=false;
break;
}
}
}
if(!b)
{
out.print("您是首次登录");
SimpleDateFormat sdf=new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
String time=sdf.format(new java.util.Date());
Cookie cookie1=new Cookie("lastTime",time);
cookie1.setMaxAge(3600*24);
response.addCookie(cookie1);
}
}



错误提示:
七月 16, 2016 5:25:42 下午 org.apache.catalina.core.StandardWrapperValve invoke
严重: Servlet.service() for servlet [Servlet1] in context with path [/CookieTest] threw exception
java.lang.IllegalArgumentException: An invalid character [32] 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 CookieTest.Servlet1.doGet(Servlet1.java:44)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:622)
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:52)
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:198)
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:349)
at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:1110)
at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66)
at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:785)
at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1425)
at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:52)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
at java.lang.Thread.run(Thread.java:744)

[青元子]

代码贴得太烂。44行。传递了错误参数。

[qq_35080470]

这个问题我也遇到，是因为tomcat的版本太高，addcookie中不能有空格，可以把得到的日期格式中的空格改成别的符号就可以了。

[dubei_1993]

if（！b）的代码有问题吧……如果cookies为null或者cookies中不存在lasttime的key的cookie，挺乱的。应该定义为false，如果找到该cookie就设置为true吧

[东天里的冬天]

引用 4 楼 a276202031 的回复:

代码好乱 懒得看

不需要看了,自己已经成功解决了

[浮云若水]

代码好乱 懒得看

[gwd2016]

应该是你的日期格式写错了,你再仔细看看呢

[mobilelyj]

你怎么解决的啊？我只知道可以降低Tomcat的版本。 有什么函数可以转换无效的字符啊？或者你有什么其他的好办法？

[huibinwei]

An invalid character [32] was present in the Cookie value 这句话的意思是无效的value参数的问题 character [32] 你看这里，表示32这个ASCII码是不能放入的 ASCI(32) 表示空格 所以这里你要把空格用其他符号或者是进行编码后再放入

[ducndsc]

SimpleDateFormat sdf=new SimpleDateFormat("yyyy-MM-dd HH:mm:ss" ,Local.CHINA);

[打盹儿]

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，ASCLL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