Could not open JPA EntityManager for transaction; org.hibernate.exception.GenericJDBCException: Could not open connection

我的梦境 提交于 2019-12-06 16:39:52

i did some debugging come to the solution, i need to replace the entityManagerFactory() Bean with the following code

   @Bean
    public LocalContainerEntityManagerFactoryBean entityManagerFactory() {
        LocalContainerEntityManagerFactoryBean entityManagerFactoryBean = new LocalContainerEntityManagerFactoryBean();
        entityManagerFactoryBean.setDataSource(getDataSource());
        entityManagerFactoryBean.setPersistenceProviderClass(HibernatePersistence.class);
        entityManagerFactoryBean.setPackagesToScan(env.getRequiredProperty(PROPERTY_NAME_ENTITYMANAGER_PACKAGES_TO_SCAN));

        entityManagerFactoryBean.setJpaProperties(hibProperties());

        return entityManagerFactoryBean;
    }

    private Properties hibProperties() {
        Properties properties = new Properties();
        properties.put(PROPERTY_NAME_HIBERNATE_DIALECT, env.getRequiredProperty(PROPERTY_NAME_HIBERNATE_DIALECT));
        properties.put(PROPERTY_NAME_HIBERNATE_SHOW_SQL, env.getRequiredProperty(PROPERTY_NAME_HIBERNATE_SHOW_SQL));
        return properties;
    }

but i need to clarify HibernatePersistence class is deprecated now so what could be the alternative of this implementation

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