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

Question

  

我有一个文件jsp。当用tomcat7运行文件jsp时，它显示问题

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

system

未声明变量11: keywords.setPath(n.props("crawler_config_file")); ^ 。这是代码中的错误。