Question

严重：Servlet.service() for servlet jsp threw exception

org.apache.jasper.JasperException: An exception occurred processing JSP page /index.jsp at line 153

150: for(int i=0;i<types.size();i++){
151: type = types.get(i);
152: goodsList = type.getItems();
153: if(goodsList.isEmpty()){
154: continue;
155: }
156: %>
java.lang.NullPointerException
org.apache.jsp.index_jsp._jspService(index_jsp.java:217)
org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
javax.servlet.http.HttpServlet.service(HttpServlet.java:723)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:388)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:313)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:260)
javax.servlet.http.HttpServlet.service(HttpServlet.java:723)
空指针异常问题，求帮助

Answer 1

你看看你这个类FCKeditor.java的263。String字符串在截取（substring）的时候越界了。仔细查查，String的长度和substring里面的参数长度。

追问

可否加一下QQ详谈？

Answer 2

goodsList = type.getItems();这一步取到的引用为Null，所以报了空指针异常。