org.apache.jasper.JasperException：无法编译类JSP - Tomcat的7

Question

我有一个文件的jsp。运行与tomcat7 JSP文件时，它表现出的问题

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")); 
         ^

变量n未声明。这是你的代码中的错误。