自学struts时,javax.servlet.ServletException: java.lang.NullPointerException
来源:互联网 发布:手机p正装照软件 编辑:程序博客网 时间:2024/05/22 01:51
本人最近在自学JavaEE,学习到struts时,使用最简单的Action时,一直上报javax.servlet.ServletException: java.lang.NullPointerException
,死活找不到原因,web.xml 和struts-config.xml配置检查了好多遍都没问题,最后发现问题出在jsp页面的指令元素部分:
我之前的是:
<%@ page contentType="text/html;charset=UTF-8" language="java" %>修改为
<%@ page contentType="text/html" pageEncoding="UTF-8" language="java" %>问题就解决啦,所以特地mark一下,避免以后在再遇到这个坑
阅读全文
0 0
- 自学struts时,javax.servlet.ServletException: java.lang.NullPointerException
- javax.servlet.ServletException: java.lang.NullPointerException
- [javax.servlet.ServletException: java.lang.NullPointerException]
- javax.servlet.ServletException: java.lang.NoSuchMethodError
- javax.servlet.ServletException: java.lang.AbstractMethodError
- javax.servlet.ServletException: java.lang.NoSuchMethodErro:
- javax.servlet.ServletException: java.lang.ExceptionInInitializerError
- javax.servlet.ServletException: java.lang.AbstractMethodError: getJspApplicationContext
- javax.servlet.ServletException: java.lang.NoClassDefFoundError:
- javax.servlet.ServletException: java.lang.NoSuchMethodError
- javax.servlet.ServletException: java.lang.NoClassDefFoundError: javax/el/ELResolver
- javax.servlet.ServletException: java.lang.NoClassDefFoundError: javax/el/ELResolver
- javax.servlet.ServletException: java.lang.NoClassDefFoundError: javax/el/ELResolver
- AVAYA java.lang.Exception: javax.servlet.ServletException: empty String
- javax.servlet.ServletException: java.lang.IllegalStateException: No WebApplicationContext found: no
- javax.servlet.ServletException: java.lang.NoSuchMethodErro: 异常处理方法
- javax.servlet.ServletException: java.lang.IllegalStateException: Queue full
- Tomcat- javax.servlet.ServletException: java.lang.AbstractMethodError处理记录
- Android进程保活招式大全
- Visual Sutdio 安装reshaper免激活
- Activity,Fragment互相调用几种写法,
- Maximum Product of Three Numbers
- HDU 4609 快速傅里叶变换
- 自学struts时,javax.servlet.ServletException: java.lang.NullPointerException
- 关于Installation error: Unknown failure错误
- 压缩感知测量矩阵构造方法研究
- storm集群部署和配置过程详解
- 【怎样写代码】对象克隆 -- 原型模式(一):问题案例
- node.js将图片数据转换成base64位的字符串
- VMWare Player+Fedroa24 部署DPDK运行报错问题解决方法
- 导入SpringMVC项目报错
- 微信小程序跳转页面的几种方式???????