Question

我有以下代码。此代码负责从远程位置连接到MySQL数据库。但问题是，代码试图在localhost上连接到MySQL。

收到的实际例外是：引起：java.sql.SQLException：用户'my_user'@'localhost_ip'拒绝访问（使用密码：YES）

我在项目中使用Spring，JPA和hibernate。

@Configuration("persistenceContext")
@EnableJpaRepositories(entityManagerFactoryRef = "entityManagerFactory",
                    transactionManagerRef = "jpaTransactionManager",
                    basePackages = {"my.repository"})
@EnableTransactionManagement
public class PersistenceContext {

@Autowired
private DataSourcePropertyConfig dataSourcePropertyConfig;

public BasicDataSource datasource() {   
    final BasicDataSource dataSource = new BasicDataSource();

    dataSource.setDriverClassName(dataSourcePropertyConfig.getMySqlDriverClassName());
    dataSource.setUsername(dataSourcePropertyConfig.getMySqlDBUsername());
    dataSource.setPassword(dataSourcePropertyConfig.getMySqlDBPassword());
    dataSource.setUrl("jdbc:mysql://<host>:<port>/<database>");

    dataSource.setMaxActive(10);
    dataSource.setMaxIdle(5);
    dataSource.setInitialSize(5);
    dataSource.setValidationQuery("SELECT 1");

    return dataSource;
}

public JpaVendorAdapter jpaVendorAdapter() {
    final HibernateJpaVendorAdapter hibernateJpaVendorAdapter = new HibernateJpaVendorAdapter();
    hibernateJpaVendorAdapter.setShowSql(true);
    hibernateJpaVendorAdapter.setGenerateDdl(false);
    hibernateJpaVendorAdapter.setDatabase(Database.MYSQL);
    return hibernateJpaVendorAdapter;
}


@Bean(name = "entityManagerFactory")
public EntityManagerFactory entityManagerFactory() {
    final LocalContainerEntityManagerFactoryBean entityManagerFactoryBean = new LocalContainerEntityManagerFactoryBean();
    entityManagerFactoryBean.setDataSource(this.datasource());
    entityManagerFactoryBean.setJpaVendorAdapter(this.jpaVendorAdapter());
    entityManagerFactoryBean.setPackagesToScan("my.entity");
    entityManagerFactoryBean.afterPropertiesSet();
    return entityManagerFactoryBean.getObject();
}


@Bean(name = "jpaTransactionManager")
@Primary
public PlatformTransactionManager jpaTransactionManager() {
    return new JpaTransactionManager(entityManagerFactory());
}

此致 Anuj

Answer 1

错误消息

用户'my_user'@'localhost_ip'拒绝访问（使用密码：是）

并不表示您将连接到本地主机的IP地址上的数据库，这表示您正在连接来自您的localhost的IP地址。

至于您获得拒绝访问权限的原因：您的数据库中很可能没有与'my_user'@'localhost_ip'或'my_user'@'%'匹配的用户记录。

JPA - 指向localhost的EntityManagerFactory

1 个答案: