org.apache.jasper.JasperException: An exception occurred processing JSP page /iframe/head.jsp at line 9
6: <%
7: String path = request.getContextPath();
8: String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
9: List sysList=sys.getSiteInfo();
10: List affList=abc.getAllAffiche();
11: %>
12: <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3c.org/TR/1999/REC-html401-19991224/loose.dtd">
可以帮忙解决吗，远程调试也可以
你看看， 是不是你的sys为空？
首先找到head.jsp的第93行，打印出你所取的直，不要做任何运算，再看看是不是有空值，然后再怎么处理就知道了