org.apache.jasper.JasperException：無法編譯類JSP - Tomcat的7

Question

我有一個文件的jsp。運行與tomcat7 JSP文件時，它表現出的問題

An error occurred at line: 11 in the jsp file: /topics.jsp 
n cannot be resolved 
8: PropertiesConfiguration keywords = new PropertiesConfiguration(); 
9: keywords.setDelimiterParsingDisabled(true); 
10:  keywords.setEncoding("UTF8"); 
11:  keywords.setPath(n.props("crawler_config_file")); 
12:  keywords.load(); 
13:  keywords.setReloadingStrategy(new FileChangedReloadingStrategy()); 
14:  String id = request.getParameter("id") == null ? "" : request.getParameter("id"); 

Answer 1

11:  keywords.setPath(n.props("crawler_config_file")); 
         ^

變量n未聲明。這是你的代碼中的錯誤。