An error occurred at line: 27 in the jsp file: /index.jsp
An error occurred at line: 27 in the jsp file: /index.jsp
The method getServletContext() is undefined for the type HttpServletRequest
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2015-10-12
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2015-10-17
您好，代碼出現編譯錯誤。
ServletRequest的getServletContext方法是Servlet3.0添加的，這個可以看一下官方文檔
http://docs.oracle.com/javaee/6/api/javax/servlet/ServletRequest.html#getServletContext()
而Tomcat6只支持到Servlet2.5看它的官方文檔可以知道，要用J2EE6的話得換成Tomcat7
http://tomcat.apache.org/tomcat-6.0-doc/index.html
舊版本需要先用request拿到HttpSession或者通過Servlet自身拿到ServletConfig之后再獲取ServletContext.