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I used Eclipse to try the google app engine demo project: guestbook.
when i create a *.jsp file in the WAR directory,the error information appear:
"Your Web Application Project must be configured to use a JDK in order to use JSPs."
solution:
It is because Eclipse put the JRE to the JRE directory ......
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Properties properties = new Properties();
File file = new File(request.getRealPath("/") +"\\WEB-INF\\classes\\configs.properties");
FileInputStream fiStream = new FileInputStream(file);
InputStreamRe ......
HTML:
<META HTTP-EQUIV="pragma" CONTENT="no-cache">
<META HTTP-EQUIV="Cache-Control" CONTENT="no-cache, must-revalidate">
<META HTTP-EQUIV="expires" CONTENT="Wed, 26 Feb 1997 08:21:57 GMT">
<META HTTP-EQUIV="expires" CONTENT="0">
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header("Expires: Mon, 26 Jul 1997 ......
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µÚÒ»ÖÖ£ºÔÚActionÖÐÓà new String(str.getBytes("ISO8859_1"), "UTF8")£¬½øÐÐתÂ룬ÒòΪ´«µÝµÄʱºò£¬ÖÐÎÄĬÈ˵ÄÊÇISO8859_1
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