| 当启动Applet的时候，页面弹出：DIRECT’未定义 可能的问题是：java控制面板的网络设置问题，可能使用了代理 解决： 打开java控制面板--->网络设置-->直接连接-->确定。   参考有可能报错信息： basic: Applet startedbasic: Told clients applet is startedRetreiving cmi for sco=778 from ATutor servernetwork: Connecting with proxy=DIRECT network: Cache entry not found [url: , version: null]network: Connecting with proxy=DIRECT network: Connecting with proxy=DIRECTnetwork: Server requesting to set-cookie with "SESSdba781ab68368f3b7b29ce28e33a2679=983ded5e21e40047871b1f3ce5c259d7; expires=Monday, 07-Mar-11 20:45:53 GMT; path=/"ATutor cmi retrieval failed.java.security.AccessControlException: access denied (java.net.SocketPermission xxx.xxx.xxx.xxx:80 connect,resolve)
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