使用数据库进行添加数据库信息不行！！！有诶有大神

Question

type Exception report

message

description The server encountered an internal error () that prevented it from fulfilling this request.

exception

java.lang.NullPointerException
com.lw.pj5.dao.GoodsDAO.addGoods(GoodsDAO.java:26)
com.lw.pj5.servlet.AddGoodsServlet.doPost(AddGoodsServlet.java:25)
com.lw.pj5.servlet.AddGoodsServlet.doGet(AddGoodsServlet.java:16)
javax.servlet.http.HttpServlet.service(HttpServlet.java:690)
javax.servlet.http.HttpServlet.service(HttpServlet.java:803)

note The full stack trace of the root cause is available in the Apache Tomcat/6.0.13 logs.

Answer 1

java.lang.NullPointerException 这个经典的错误 空指针异常。GoodsDAO代码第26行报错。。你这日志这么清晰的说明出错位置。。。出错问题啊。