xml配置mybatis约束信息报错

从另一台电脑将项目导入MyEclipse后报错

错误描述如下

Referenced file contains errors (http://mybatis.org/dtd/mybatis-3-config.dtd). For more information, right click on the message in the Problems View and select “Show Details…”

<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE configuration
  PUBLIC "-//mybatis.org//DTD Config 3.0//EN"
  "http://mybatis.org/dtd/mybatis-3-config.dtd">

解决方法
将
“http://mybatis.org/dtd/mybatis-3-config.dtd”
改为
“http://www.mybatis.org/dtd/mybatis-3-config.dtd”