@Service
public class HelloService {    
    @Autowired
    protected CustomerRepository repository;
    @Transactional
    public void run() throws Exception {
        repository.save(new Customer("Jack","Bauer"));
        throw new RuntimeException("Kabooom!!!"); //Transaction is rolled back. Database is empty :)
        //throw new Exception("Kabooom!!!"); //If this is used instead the records are inserted into the database. :(

    }
}

我的存储库：

public interface CustomerRepository extends CrudRepository<Customer,Long> {
}

Spring boot appliction.properties：

# DataSource settings: set here configurations for the database connection
spring.datasource.url = jdbc:MysqL://localhost/hobbadb
spring.datasource.username = root
spring.datasource.password =
spring.datasource.driverClassName = com.MysqL.jdbc.Driver    
# Specify the DBMS
spring.jpa.database = MysqL    
# Show or not log for each sql query
spring.jpa.show-sql = true    
# Hibernate settings are prefixed with spring.jpa.hibernate.*
spring.jpa.hibernate.ddl-auto = update
spring.jpa.hibernate.dialect = org.hibernate.dialect.MysqL5Dialect
spring.jpa.hibernate.naming_strategy = org.hibernate.cfg.ImprovedNamingStrategy
spring.jpa.hibernate.hbm2ddl.auto= create-drop

任何想法为什么会这样？

解决方法

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