Exception in thread "main" org.apache.ibatis.exceptions.PersistenceException:
Error updating database. Cause: java.sql.SQLException: Io 异常: The Network Adapter could not establish the connection
Cause: java.sql.SQLException: Io 异常: The Network Adapter could not establish the connection
at org.apache.ibatis.exceptions.ExceptionFactory.wrapException(ExceptionFactory.java:30)
at org.apache.ibatis.session.defaults.DefaultSqlSession.update(DefaultSqlSession.java:200)
at org.apache.ibatis.session.defaults.DefaultSqlSession.insert(DefaultSqlSession.java:185)
at org.fkit.test.MyBatisTest.main(MyBatisTest.java:23)
Caused by: java.sql.SQLException: Io 异常: The Network Adapter could not establish the connection
at oracle.jdbc.dbaccess.DBError.throwSqlException(DBError.java:189)
at oracle.jdbc.dbaccess.DBError.throwSqlException(DBError.java:231)
at oracle.jdbc.dbaccess.DBError.throwSqlException(DBError.java:345)
at oracle.jdbc.driver.OracleConnection.(OracleConnection.java:428)
at oracle.jdbc.driver.OracleDriver.getConnectionInstance(OracleDriver.java:515)
at oracle.jdbc.driver.OracleDriver.connect(OracleDriver.java:345)
at java.sql.DriverManager.getConnection(Unknown Source)
at java.sql.DriverManager.getConnection(Unknown Source)
at org.apache.ibatis.datasource.unpooled.UnpooledDataSource.doGetConnection(UnpooledDataSource.java:201)
at org.apache.ibatis.datasource.unpooled.UnpooledDataSource.doGetConnection(UnpooledDataSource.java:196)
at org.apache.ibatis.datasource.unpooled.UnpooledDataSource.getConnection(UnpooledDataSource.java:93)
at org.apache.ibatis.datasource.pooled.PooledDataSource.popConnection(PooledDataSource.java:385)
at org.apache.ibatis.datasource.pooled.PooledDataSource.getConnection(PooledDataSource.java:89)
at org.apache.ibatis.transaction.jdbc.JdbcTransaction.openConnection(JdbcTransaction.java:138)
at org.apache.ibatis.transaction.jdbc.JdbcTransaction.getConnection(JdbcTransaction.java:60)
at org.apache.ibatis.executor.BaseExecutor.getConnection(BaseExecutor.java:336)
at org.apache.ibatis.executor.SimpleExecutor.prepareStatement(SimpleExecutor.java:84)
at org.apache.ibatis.executor.SimpleExecutor.doUpdate(SimpleExecutor.java:49)
at org.apache.ibatis.executor.BaseExecutor.update(BaseExecutor.java:117)
at org.apache.ibatis.executor.CachingExecutor.update(CachingExecutor.java:76)
at org.apache.ibatis.session.defaults.DefaultSqlSession.update(DefaultSqlSession.java:198)
... 2 more
<?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">
<!-- XML 配置文件包含对 MyBatis 系统的核心设置 -->
<configuration>
<!-- 指定 MyBatis 所用日志的具体实现 -->
<settings>
<setting name="logImpl" value="LOG4J"/>
</settings>
<environments default="development">
<!-- 环境配置,即连接的数据库。 -->
<environment id="development">
<!-- 指定事务管理类型,type="JDBC"指直接简单使用了JDBC的提交和回滚设置 -->
<transactionManager type="JDBC"/>
<!-- dataSource指数据源配置,POOLED是JDBC连接对象的数据源连接池的实现。 -->
<dataSource type="POOLED">
<property name="driver" value="oracle.jdbc.driver.OracleDriver"/>
<property name="url" value="jdbc:oracle:thin:@192.168.*.*:1521:orcl"/>
<property name="username" value="sm"/>
<property name="password" value="123456"/>
</dataSource>
</environment>
</environments>
<!-- mappers告诉了MyBatis去哪里找持久化类的映射文件 -->
<mappers>
<mapper resource="org/fkit/mapper/UserMapper.xml"/>
</mappers>
</configuration>
UserMapper.xml
<?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">
<!-- namespace指用户自定义的命名空间。 -->
<mapper namespace="org.fkit.mapper.UserMapper">
<!--
id="save"是唯一的标示符
parameterType属性指明插入时使用的参数类型
useGeneratedKeys="true"表示使用数据库的自动增长策略
-->
<insert id="save" parameterType="org.fkit.domain.User" >
INSERT INTO TB_USER(name,sex,age)
VALUES(#{name},#{sex},#{age})
</insert>
</mapper>
User.java
public class User implements Serializable{
// 用户标识
private Integer id;
// 用户姓名
private String name;
// 用户性别
private String sex;
// 用户年龄
private Integer age;
// 无参数构造器
public User() {
super();
}
// 有参数构造器
public User( String name, String sex, Integer age) {
super();
this.name = name;
this.sex = sex;
this.age = age;
}
// setter和getter方法
public Integer getId() {
return id;
}
public void setId(Integer id) {
this.id = id;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public String getSex() {
return sex;
}
public void setSex(String sex) {
this.sex = sex;
}
public Integer getAge() {
return age;
}
public void setAge(Integer age) {
this.age = age;
}
@Override
public String toString() {
return "User [id=" + id + ", name=" + name + ", sex=" + sex + ", age="
+ age + "]";
}
}
MyBatisTest.java
public class MyBatisTest {
public static void main(String[] args) throws Exception {
// 读取mybatis-config.xml文件
InputStream inputStream = Resources.getResourceAsStream("mybatis-config.xml");
// 初始化mybatis,创建SqlSessionFactory类的实例
SqlSessionFactory sqlSessionFactory = new SqlSessionFactoryBuilder()
.build(inputStream);
// 创建Session实例
SqlSession session = sqlSessionFactory.openSession();
// 创建User对象
User user = new User("admin", "男", 26);
// 插入数据
session.insert("org.fkit.mapper.UserMapper.save", user);
// 提交事务
session.commit();
// 关闭Session
session.close();
}
}