Spring boot and database initialization not working properly

Question

Scripts are executed in schema.sql, but scripts from data.sql are not executed, not sure what I'm missing?

I am using Spring Boot with two data sources. My database configuration is as follows

@PropertySource({ "classpath:application.properties" })
@Configuration
@EnableJpaRepositories(
    basePackages = "com.projectx.mysql", 
    entityManagerFactoryRef = "userEntityManager", 
    transactionManagerRef = "userTransactionManager"
)
public class DataBaseConfig {

    @Autowired
    Environment env;


    @Bean
    @Primary
    public LocalContainerEntityManagerFactoryBean userEntityManager() {
        LocalContainerEntityManagerFactoryBean em = new LocalContainerEntityManagerFactoryBean();
        em.setDataSource(primaryDataSource());
        em.setPackagesToScan(new String[] { "com.projectx.mysql" });
        HibernateJpaVendorAdapter vendorAdapter = new HibernateJpaVendorAdapter();
        em.setJpaVendorAdapter(vendorAdapter);
        HashMap<String, Object> properties = new HashMap<String, Object>();
        properties.put("hibernate.hbm2ddl.auto", env.getProperty("spring.jpa.hibernate.ddl-auto_mysql"));
        properties.put("hibernate.dialect", env.getProperty("spring.jpa.properties.hibernate.dialect_mysql"));
        properties.put("hibernate.show_sql", env.getProperty("spring.jpa.show-sql"));
        em.setJpaPropertyMap(properties);

        return em;
    }

    @Bean
    @ConfigurationProperties(prefix = "spring.datasource")
    public DataSource primaryDataSource() {
        return DataSourceBuilder.create().build();
    }


    @Primary
    @Bean
    public PlatformTransactionManager userTransactionManager() {
        JpaTransactionManager transactionManager = new JpaTransactionManager();
        transactionManager.setEntityManagerFactory(userEntityManager().getObject());
        return transactionManager;
    }
}

and .properties as follows

spring.datasource.initialize=true
spring.datasource.url=jdbc:mysql://localhost/test
spring.datasource.username=root
spring.datasource.password=
spring.datasource.driverClassName=com.mysql.jdbc.Driver
spring.jpa.show-sql: true
spring.jpa.hibernate.ddl-auto_mysql=update
spring.jpa.properties.hibernate.dialect_mysql=org.hibernate.dialect.MySQL5Dialect

Answer 1

The problem was initializing the data source when we see the contents of the org.springframework.boot.autoconfigure.jdbc.DataSourceInitializer class, which takes care of initializing the database through * .sql files.It has a post-construction method as follows

@PostConstruct
    public void init() {
        if (!this.properties.isInitialize()) {
            logger.debug("Initialization disabled (not running DDL scripts)");
            return;
        }
        if (this.applicationContext.getBeanNamesForType(DataSource.class, false,
                false).length > 0) {
            this.dataSource = this.applicationContext.getBean(DataSource.class);
        }
        if (this.dataSource == null) {
            logger.debug("No DataSource found so not initializing");
            return;
        }
        runSchemaScripts();
    } 

runSchemaScripts() , ​​ , , , , SQL script, / ,

@Override
    public void onApplicationEvent(DataSourceInitializedEvent event) {
        if (!this.properties.isInitialize()) {
            logger.debug("Initialization disabled (not running data scripts)");
            return;
        }
        // NOTE the event can happen more than once and
        // the event datasource is not used here
        if (!this.initialized) {
            runDataScripts();
            this.initialized = true;
        }
    }

, / , spring, Datasource. Datasource, DataSourceInitializedEvent, data.sql . DataSourceInitializedEvent .

@Autowired
    private ConfigurableApplicationContext applicationContext;

    @Bean
    @Primary
    public LocalContainerEntityManagerFactoryBean userEntityManager() {
        LocalContainerEntityManagerFactoryBean em = new LocalContainerEntityManagerFactoryBean();
        em.setDataSource(primaryDataSource());
        em.setPackagesToScan(new String[] { "com.projectx.mysql" });
        HibernateJpaVendorAdapter vendorAdapter = new HibernateJpaVendorAdapter();
        em.setJpaVendorAdapter(vendorAdapter);
        HashMap<String, Object> properties = new HashMap<String, Object>();
        properties.put("hibernate.hbm2ddl.auto", env.getProperty("spring.jpa.hibernate.ddl-auto_mysql"));
        properties.put("hibernate.dialect", env.getProperty("spring.jpa.properties.hibernate.dialect_mysql"));
        properties.put("hibernate.show_sql", env.getProperty("spring.jpa.show-sql"));
        em.setJpaPropertyMap(properties);

        this.applicationContext.publishEvent(new DataSourceInitializedEvent(primaryDataSource()));

        return em;
    }

    @Bean
    @ConfigurationProperties(prefix = "spring.datasource")
    public DataSource primaryDataSource() {
        return DataSourceBuilder.create().build();
    }

this.applicationContext.publishEvent(new DataSourceInitializedEvent(primaryDataSource())); DataSourceInitializedEvent

Answer 2

2 . , , , - , : (

ref (, ): https://docs.spring.io/spring-boot/docs/current/reference/htmlsingle/#howto-two-datasources