在@configuration 中添加hibernate sessionFactory 的bean 会导致：“考虑在您的配置中定义一个名为'entityManagerFactory' 的bean”

问题描述

一切正常，直到我在 @configuration 中添加 sessionFactory bean：

@Configuration
@EnableWebMvc
@ComponentScan("com.example.demo")
@EnableTransactionManagement
@PropertySource({ "classpath:hibernate.properties" })
public class HibernateConfig {

    @Autowired
    private Environment env;

    private Logger logger = Logger.getLogger(getClass().getName());

    @Bean
    public DataSource myDataSource() {

        // create connection pool
        ComboPooledDataSource myDataSource = new ComboPooledDataSource();

        // set the jdbc driver
        try {
            myDataSource.setDriverClass(env.getProperty("jdbc.driver"));
        } catch (PropertyVetoException exc) {
            throw new RuntimeException(exc);
        }

        // for sanity's sake,let's log url and user ... just to make sure we are
        // reading the data
        logger.info("jdbc.url=" + env.getProperty("jdbc.url"));
        logger.info("jdbc.user=" + env.getProperty("jdbc.user"));

        // set database connection props
        myDataSource.setJdbcUrl(env.getProperty("jdbc.url"));
        myDataSource.setUser(env.getProperty("jdbc.user"));
        myDataSource.setPassword(env.getProperty("jdbc.password"));

        // set connection pool props
        myDataSource.setinitialPoolSize(getIntProperty("connection.pool.initialPoolSize"));
        myDataSource.setMinPoolSize(getIntProperty("connection.pool.minPoolSize"));
        myDataSource.setMaxPoolSize(getIntProperty("connection.pool.maxPoolSize"));
        myDataSource.setMaxIdleTime(getIntProperty("connection.pool.maxIdleTime"));

        return myDataSource;
    }

    private Properties getHibernateProperties() {

        // set hibernate properties
        Properties props = new Properties();

        props.setProperty("hibernate.dialect",env.getProperty("hibernate.dialect"));
        props.setProperty("hibernate.show_sql",env.getProperty("hibernate.show_sql"));

        return props;
    }

    // need a helper method
    // read environment property and convert to int

    private int getIntProperty(String propName) {

        String propVal = env.getProperty(propName);

        // Now convert to int
        int intPropVal = Integer.parseInt(propVal);

        return intPropVal;
    }

    //@Bean(name="hibernateSessionFactory")
    //@Primary
    @Bean
    public LocalSessionfactorybean sessionFactory() {

        // create session factorys
        LocalSessionfactorybean sessionFactory = new LocalSessionfactorybean();

        // set the properties
        sessionFactory.setDataSource(myDataSource());
        sessionFactory.setPackagesToScan(env.getProperty("hibernate.packagesToScan"));
        sessionFactory.setHibernateProperties(getHibernateProperties());

        return sessionFactory;
    }

    @Bean
    @Autowired
    public HibernateTransactionManager transactionManager(SessionFactory sessionFactory) {

        // setup transaction manager based on session factory
        HibernateTransactionManager txManager = new HibernateTransactionManager();
        txManager.setSessionFactory(sessionFactory);

        return txManager;
    }
}

这个bean的加入会不会和springboot的默认功能冲突？我使用单独的 JpaRepository 来处理与 Spring 安全相关的内容，这与我的应用程序的休眠内容完全无关。

@Repository
public interface UserRepository extends JpaRepository<User,Long>{
    User findByEmail(String email);
}

解决方法

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