如果其他一台机器能正常获取其他网站写入的Cookie，而唯独不能获取自己网站写的Cookie，那就要注意了，设置一下：
HTTP头名：P3P
值：policyref = "http://xxx/w3c/p3p.xml" , CP="CURa ADMa DEVa PSAo PSDo OUR BUS UNI PUR INT DEM STA PRE COM NAV OTC NOI DSP COR"
【上篇】IBM developerWorks的Python系列文章
【下篇】Server Tomcat v6.0 Server at localhost was unable to start within 45 seconds
【下篇】Server Tomcat v6.0 Server at localhost was unable to start within 45 seconds