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為什么就是有問(wèn)題呢?都是按著老師的步驟來(lái)的呀~~



public class StudentsTest {https://img1.sycdn.imooc.com//5cee39370001129f04100263.jpg private SessionFactory sessionFactory;

private Session session;

private Transaction transaction;

@Before

public void init(){

//創(chuàng)建配置對(duì)象

Configuration config = new Configuration().configure();

//創(chuàng)建服務(wù)注冊(cè)對(duì)象(hibernate4.35之后該方法就不能再獲取到實(shí)體信息了)

// ServiceRegistry serviceRegistry = new ServiceRegistryBuilder().applySettings(config.getProperties()).buildServiceRegistry();

ServiceRegistry serviceRegistry = new StandardServiceRegistryBuilder().applySettings(config.getProperties()).build();

//創(chuàng)建會(huì)話工廠

// sessionFactory = config.buildSessionFactory(serviceRegistry);

sessionFactory =new MetadataSources(serviceRegistry).buildMetadata().buildSessionFactory();

//會(huì)話對(duì)象

session = sessionFactory.openSession();

//開啟事務(wù)

transaction = session.beginTransaction();

}

@After

public void destory(){

transaction.commit();//提交事務(wù)

session.close();//關(guān)閉會(huì)話

sessionFactory.close();//關(guān)閉會(huì)話工廠

}

@Test

public void testSaveStudents(){

//生成學(xué)生對(duì)象

Students s = new Students(1,"張三豐","男",new Date(),"武當(dāng)山");

session.save(s);//保存對(duì)象進(jìn)入數(shù)據(jù)庫(kù)

}

}



<hibernate-configuration>

<session-factory>

<property name="connection.username">root</property>

<property name="connection.password">LOVEmm1314!</property>

<property name="connection.driver_class">com.mysql.jdbc.Driver</property>

<property name="connection.url">jdbc:mysql://114.116.152.128:3306/HYMAN_DEV?useUnicode=true&amp;characterEncoding=UTF-8&amp;serverTimezone=UTC</property>

<!-- <property name="dialect">org.hibernate.dialect.MYSQLDialect</property> -->

<property name="hibernate.dialect">org.hibernate.dialect.MySQL5Dialect</property>

<property name="show_sql">true</property>

<property name="format_sql">true</property>

<property name="hbm2ddl.auto">create</property>

<mapping? resource="Students.hbm.xml"/>

</session-factory>

</hibernate-configuration>







五月 29, 2019 3:39:35 下午 org.hibernate.annotations.common.reflection.java.JavaReflectionManager <clinit>

INFO: HCANN000001: Hibernate Commons Annotations {4.0.5.Final}

五月 29, 2019 3:39:35 下午 org.hibernate.Version logVersion

INFO: HHH000412: Hibernate Core {4.3.11.Final}

五月 29, 2019 3:39:35 下午 org.hibernate.cfg.Environment <clinit>

INFO: HHH000206: hibernate.properties not found

五月 29, 2019 3:39:35 下午 org.hibernate.cfg.Environment buildBytecodeProvider

INFO: HHH000021: Bytecode provider name : javassist

五月 29, 2019 3:39:35 下午 org.hibernate.cfg.Configuration configure

INFO: HHH000043: Configuring from resource: /hibernate.cfg.xml

五月 29, 2019 3:39:35 下午 org.hibernate.cfg.Configuration getConfigurationInputStream

INFO: HHH000040: Configuration resource: /hibernate.cfg.xml

五月 29, 2019 3:39:35 下午 org.hibernate.cfg.Configuration addResource

INFO: HHH000221: Reading mappings from resource: Students.hbm.xml

五月 29, 2019 3:39:35 下午 org.hibernate.internal.util.xml.DTDEntityResolver resolveEntity

WARN: HHH000223: Recognized obsolete hibernate namespace http://hibernate.sourceforge.net/. Use namespace http://www.hibernate.org/dtd/ instead. Refer to Hibernate 3.6 Migration Guide!

五月 29, 2019 3:39:35 下午 org.hibernate.cfg.Configuration doConfigure

INFO: HHH000041: Configured SessionFactory: null

五月 29, 2019 3:39:35 下午 org.hibernate.engine.jdbc.connections.internal.DriverManagerConnectionProviderImpl configure

WARN: HHH000402: Using Hibernate built-in connection pool (not for production use!)

五月 29, 2019 3:39:35 下午 org.hibernate.engine.jdbc.connections.internal.DriverManagerConnectionProviderImpl buildCreator

INFO: HHH000401: using driver [com.mysql.jdbc.Driver] at URL [jdbc:mysql://114.116.152.128:3306/HYMAN_DEV?useUnicode=true&characterEncoding=UTF-8&serverTimezone=UTC]

五月 29, 2019 3:39:35 下午 org.hibernate.engine.jdbc.connections.internal.DriverManagerConnectionProviderImpl buildCreator

INFO: HHH000046: Connection properties: {user=root, password=****}

五月 29, 2019 3:39:35 下午 org.hibernate.engine.jdbc.connections.internal.DriverManagerConnectionProviderImpl buildCreator

INFO: HHH000006: Autocommit mode: false

五月 29, 2019 3:39:35 下午 org.hibernate.engine.jdbc.connections.internal.DriverManagerConnectionProviderImpl configure

INFO: HHH000115: Hibernate connection pool size: 20 (min=1)

Wed May 29 15:39:35 GMT+08:00 2019 WARN: Establishing SSL connection without server's identity verification is not recommended. According to MySQL 5.5.45+, 5.6.26+ and 5.7.6+ requirements SSL connection must be established by default if explicit option isn't set. For compliance with existing applications not using SSL the verifyServerCertificate property is set to 'false'. You need either to explicitly disable SSL by setting useSSL=false, or set useSSL=true and provide truststore for server certificate verification.

五月 29, 2019 3:39:36 下午 org.hibernate.dialect.Dialect <init>

INFO: HHH000400: Using dialect: org.hibernate.dialect.MySQL5Dialect


正在回答

1 回答

數(shù)據(jù)庫(kù)的驅(qū)動(dòng)配置出現(xiàn)錯(cuò)誤:

舊版本的驅(qū)動(dòng)配置:

<property name="driver" value="com.mysql.jdbc.Driver"/>
<property name="url" value="

jdbc:mysql://Localhost:3306/student?userUnicode=true&amp;characterEncoding=UTF-8

"/>

?mysql8.0的驅(qū)動(dòng)配置
jdbc.driver=com.mysql.cj.jdbc.Driver
jdbc.url=jdbc:mysql://localhost:3306/mybatis?characterEncoding=utf8&amp;useSSL=false&amp;serverTimezone=UTC&amp;rewriteBatchedStatements=true

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