错误信息: Initializing Spring root WebApplicationContext
[org.springframework.web.context.ContextLoader] - Root WebApplicationContext: initialization started
[org.springframework.web.context.support.XmlWebApplicationContext] - Refreshing Root WebApplicationContext: startup date [Thu May 10 00:33:17 CST 2018]; root of context hierarchy
[org.springframework.beans.factory.xml.XmlBeanDefinitionReader] - Loading XML bean definitions from class path resource [applicationContext.xml]
[org.springframework.jdbc.datasource.DriverManagerDataSource] - Loaded JDBC driver: com.mysql.jdbc.Driver
[org.springframework.web.context.support.XmlWebApplicationContext] - Exception encountered during context initialization - cancelling refresh attempt: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'UserService': Injection of resource dependencies failed; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'userDao' defined in file [C:\Program Files (x86)\Apache Software Foundation\Tomcat 7.0\webapps\myBaties01\WEB-INF\classes\com\mytest\dao\UserDao.class]: Cannot resolve reference to bean 'sqlSessionFactory' while setting bean property 'sqlSessionFactory'; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'sqlSessionFactory' defined in class path resource [applicationContext.xml]: Invocation of init method failed; nested exception is org.apache.ibatis.builder.BuilderException: Error creating document instance. Cause: org.xml.sax.SAXParseException; lineNumber: 2; columnNumber: 16; 文档根元素 "configuration" 必须匹配 DOCTYPE 根 "null"。
[org.springframework.web.context.ContextLoader] - Context initialization failed
org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'UserService': Injection of resource dependencies failed; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'userDao' defined in file [C:\Program Files (x86)\Apache Software Foundation\Tomcat 7.0\webapps\myBaties01\WEB-INF\classes\com\mytest\dao\UserDao.class]: Cannot resolve reference to bean 'sqlSessionFactory' while setting bean property 'sqlSessionFactory'; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'sqlSessionFactory' defined in class path resource [applicationContext.xml]: Invocation of init method failed; nested exception is org.apache.ibatis.builder.BuilderException: Error creating document instance. Cause: org.xml.sax.SAXParseException; lineNumber: 2; columnNumber: 16; 文档根元素 "configuration" 必须匹配 DOCTYPE 根 "null"。
Caused by: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'userDao' defined in file [C:\Program Files (x86)\Apache Software Foundation\Tomcat 7.0\webapps\myBaties01\WEB-INF\classes\com\mytest\dao\UserDao.class]: Cannot resolve reference to bean 'sqlSessionFactory' while setting bean property 'sqlSessionFactory'; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'sqlSessionFactory' defined in class path resource [applicationContext.xml]: Invocation of init method failed; nested exception is org.apache.ibatis.builder.BuilderException: Error creating document instance. Cause: org.xml.sax.SAXParseException; lineNumber: 2; columnNumber: 16; 文档根元素 "configuration" 必须匹配 DOCTYPE 根 "null"。
Caused by: org.apache.ibatis.builder.BuilderException: Error creating document instance. Cause: org.xml.sax.SAXParseException; lineNumber: 2; columnNumber: 16; 文档根元素 "configuration" 必须匹配 DOCTYPE 根 "null"。
Caused by: org.xml.sax.SAXParseException; lineNumber: 2; columnNumber: 16; 文档根元素 "configuration" 必须匹配 DOCTYPE 根 "null"。
配置文件
<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:aop="http://www.springframework.org/schema/aop"
xmlns:context="http://www.springframework.org/schema/context"
xmlns:tx="http://www.springframework.org/schema/tx"
xsi:schemaLocation="http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-4.3.xsd
http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.3.xsd
http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-4.3.xsd
http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-4.3.xsd ">
<!--使用spring自动扫描dao和service -->
<context:component-scan base-package="com.mytest.dao"></context:component-scan>
<context:component-scan base-package="com.mytest.service"></context:component-scan>
<!--配置数据源 -->
<bean id="dataSource" class="org.springframework.jdbc.datasource.DriverManagerDataSource">
<property name="driverClassName" value="com.mysql.jdbc.Driver"/>
<property name="url" value="jdbc:mysql://localhost:3306/mytest"/>
<property name="username" value="root"/>
<property name="password" value=""/>
</bean>
<!-- 配置mybatis的sqlSessionFactory：spring和MyBatis完美整合，不需要mybatis的配置映射文件 -->
<bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
<property name="dataSource" ref="dataSource"/>
<!-- 自动扫描mapping.xml文件 -->
<property name="mapperLocations" value="classpath:com/mytest/mappers/*.xml"/>
<!-- 自动扫描mabatis.xml配置文件 -->
<property name="configLocation" value="classpath:mybatis-config.xml"/>
</bean>
<!-- DAO接口所在包名，Spring会自动查找其下的类 -->
<bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
<property name="basePackage" value="com.mytest.dao"/>
<property name="sqlSessionFactoryBeanName" value="sqlSessionFactory"></property>
</bean>
mapper配置文件
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
<mapper namespace="com.mytest.dao.UserDao">
<resultMap type="User" id="UserResult">
<result property="id" column="id"/>
<result property="userName" column="userName"/>
<result property="password" column="password"/>
</resultMap>
<select id="login" parameterType="User" resultMap="UserResult">
select*from user where userName=#{userName} and password=#{password}
</select>
</mapper>
[org.springframework.web.context.ContextLoader] - Root WebApplicationContext: initialization started
[org.springframework.web.context.support.XmlWebApplicationContext] - Refreshing Root WebApplicationContext: startup date [Thu May 10 00:33:17 CST 2018]; root of context hierarchy
[org.springframework.beans.factory.xml.XmlBeanDefinitionReader] - Loading XML bean definitions from class path resource [applicationContext.xml]
[org.springframework.jdbc.datasource.DriverManagerDataSource] - Loaded JDBC driver: com.mysql.jdbc.Driver
[org.springframework.web.context.support.XmlWebApplicationContext] - Exception encountered during context initialization - cancelling refresh attempt: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'UserService': Injection of resource dependencies failed; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'userDao' defined in file [C:\Program Files (x86)\Apache Software Foundation\Tomcat 7.0\webapps\myBaties01\WEB-INF\classes\com\mytest\dao\UserDao.class]: Cannot resolve reference to bean 'sqlSessionFactory' while setting bean property 'sqlSessionFactory'; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'sqlSessionFactory' defined in class path resource [applicationContext.xml]: Invocation of init method failed; nested exception is org.apache.ibatis.builder.BuilderException: Error creating document instance. Cause: org.xml.sax.SAXParseException; lineNumber: 2; columnNumber: 16; 文档根元素 "configuration" 必须匹配 DOCTYPE 根 "null"。
[org.springframework.web.context.ContextLoader] - Context initialization failed
org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'UserService': Injection of resource dependencies failed; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'userDao' defined in file [C:\Program Files (x86)\Apache Software Foundation\Tomcat 7.0\webapps\myBaties01\WEB-INF\classes\com\mytest\dao\UserDao.class]: Cannot resolve reference to bean 'sqlSessionFactory' while setting bean property 'sqlSessionFactory'; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'sqlSessionFactory' defined in class path resource [applicationContext.xml]: Invocation of init method failed; nested exception is org.apache.ibatis.builder.BuilderException: Error creating document instance. Cause: org.xml.sax.SAXParseException; lineNumber: 2; columnNumber: 16; 文档根元素 "configuration" 必须匹配 DOCTYPE 根 "null"。
Caused by: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'userDao' defined in file [C:\Program Files (x86)\Apache Software Foundation\Tomcat 7.0\webapps\myBaties01\WEB-INF\classes\com\mytest\dao\UserDao.class]: Cannot resolve reference to bean 'sqlSessionFactory' while setting bean property 'sqlSessionFactory'; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'sqlSessionFactory' defined in class path resource [applicationContext.xml]: Invocation of init method failed; nested exception is org.apache.ibatis.builder.BuilderException: Error creating document instance. Cause: org.xml.sax.SAXParseException; lineNumber: 2; columnNumber: 16; 文档根元素 "configuration" 必须匹配 DOCTYPE 根 "null"。
Caused by: org.apache.ibatis.builder.BuilderException: Error creating document instance. Cause: org.xml.sax.SAXParseException; lineNumber: 2; columnNumber: 16; 文档根元素 "configuration" 必须匹配 DOCTYPE 根 "null"。
Caused by: org.xml.sax.SAXParseException; lineNumber: 2; columnNumber: 16; 文档根元素 "configuration" 必须匹配 DOCTYPE 根 "null"。
配置文件
<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:aop="http://www.springframework.org/schema/aop"
xmlns:context="http://www.springframework.org/schema/context"
xmlns:tx="http://www.springframework.org/schema/tx"
xsi:schemaLocation="http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-4.3.xsd
http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.3.xsd
http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-4.3.xsd
http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-4.3.xsd ">
<!--使用spring自动扫描dao和service -->
<context:component-scan base-package="com.mytest.dao"></context:component-scan>
<context:component-scan base-package="com.mytest.service"></context:component-scan>
<!--配置数据源 -->
<bean id="dataSource" class="org.springframework.jdbc.datasource.DriverManagerDataSource">
<property name="driverClassName" value="com.mysql.jdbc.Driver"/>
<property name="url" value="jdbc:mysql://localhost:3306/mytest"/>
<property name="username" value="root"/>
<property name="password" value=""/>
</bean>
<!-- 配置mybatis的sqlSessionFactory：spring和MyBatis完美整合，不需要mybatis的配置映射文件 -->
<bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
<property name="dataSource" ref="dataSource"/>
<!-- 自动扫描mapping.xml文件 -->
<property name="mapperLocations" value="classpath:com/mytest/mappers/*.xml"/>
<!-- 自动扫描mabatis.xml配置文件 -->
<property name="configLocation" value="classpath:mybatis-config.xml"/>
</bean>
<!-- DAO接口所在包名，Spring会自动查找其下的类 -->
<bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
<property name="basePackage" value="com.mytest.dao"/>
<property name="sqlSessionFactoryBeanName" value="sqlSessionFactory"></property>
</bean>
mapper配置文件
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
<mapper namespace="com.mytest.dao.UserDao">
<resultMap type="User" id="UserResult">
<result property="id" column="id"/>
<result property="userName" column="userName"/>
<result property="password" column="password"/>
</resultMap>
<select id="login" parameterType="User" resultMap="UserResult">
select*from user where userName=#{userName} and password=#{password}
</select>
</mapper>
