我正在intellij idea中使用maven,hibernate和mysql进行一个项目。这是我的pom.xml:
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>org.example</groupId>
<artifactId>tsp3</artifactId>
<version>1.0-SNAPSHOT</version>
<packaging>jar</packaging>
<name>tsp3</name>
<url>http://maven.apache.org</url>
<properties>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<maven.compiler.sourse>1.8</maven.compiler.sourse>
<maven.compiler.target>1.8</maven.compiler.target>
<hibernate-version>5.0.1.Final</hibernate-version>
</properties>
<dependencies>
<dependency>
<groupId>org.hibernate</groupId>
<artifactId>hibernate-core</artifactId>
<version>5.0.1.Final</version>
</dependency>
<!-- for JPA, use hibernate-entitymanager instead of hibernate-core -->
<dependency>
<groupId>org.hibernate</groupId>
<artifactId>hibernate-entitymanager</artifactId>
<version>5.0.1.Final</version>
</dependency>
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>4.12</version>
</dependency>
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<version>8.0.32</version>
</dependency>
<dependency>
<groupId>org.hibernate</groupId>
<artifactId>hibernate-tools</artifactId>
<version>4.3.2.Final</version>
</dependency>
</dependencies>
</project>
这是我的hibernate.cfg.xml
<?xml version='1.0' encoding='utf-8'?>
<!DOCTYPE hibernate-configuration PUBLIC
"-//Hibernate/Hibernate Configuration DTD//EN"
"http://www.hibernate.org/dtd/hibernate-configuration-3.0.dtd">
<hibernate-configuration>
<session-factory>
<property name="connection.url">jdbc:mysql://localhost:3306</property>
<property name="connection.driver_class">com.mysql.cj.jdbc.Driver</property>
<property name="connection.username">root</property>
<property name="connection.password">170302</property>
<property name="show_sql">true</property>
<mapping class="org.example.MessegesEntity"/>
<mapping resource="mappings/MessegesEntity.hbm.xml"/>
<mapping resource="mappings/ThemeEntity.hbm.xml"/>
<mapping class="org.example.ThemeEntity"/>
<mapping resource="mappings/UsersEntity.hbm.xml"/>
<mapping class="org.example.UsersEntity"/>
<!-- <property name="connection.username"/> -->
<!-- <property name="connection.password"/> -->
<!-- DB schema will be updated if needed -->
<!-- <property name="hibernate.hbm2ddl.auto">update</property> -->
</session-factory>
</hibernate-configuration>
这是我的SessionFactory类
import org.example.MessegesEntity;
import org.example.ThemeEntity;
import org.example.UsersEntity;
import org.hibernate.SessionFactory;
import org.hibernate.boot.registry.StandardServiceRegistryBuilder;
import org.hibernate.cfg.Configuration;
public class HibernateSessionFactoryUtil {
private static SessionFactory sessionFactory;
private HibernateSessionFactoryUtil() {}
public static SessionFactory getSessionFactory() {
if (sessionFactory == null) {
try {
Configuration configuration = new Configuration().configure();
configuration.addAnnotatedClass(MessegesEntity.class);
configuration.addAnnotatedClass(UsersEntity.class);
configuration.addAnnotatedClass(ThemeEntity.class);
StandardServiceRegistryBuilder builder = new StandardServiceRegistryBuilder().applySettings(configuration.getProperties());
sessionFactory = configuration.buildSessionFactory(builder.build());
} catch (Exception e) {
System.out.println("Exception!" + e);
}
}
return sessionFactory;
}
}
我有数据库和Map。我也有类,DAO和服务类为我的表。我试图创建新的用户,并将其保存到我的数据库在我的主方法。第一个异常出现在HibernateSessionFactoryUtil类在配置configuration = new Configuration().configure();
我所有的例外:
jdk版本20?
我将感谢您的帮助!
1条答案
按热度按时间kpbwa7wx1#
我把它添加到我的pom.xml