Spring 5 Design Patterns

Consistent exception handling and translation

In the Spring JDBC module, Spring provides DataAccessException to handle all types of database-specific SQL error code, and generates meaningful exception classes. In the Spring ORM module, as we already know, Spring supports integration for several ORM solutions, such as Hibernate, JPA, or JDO in a DAO, and these persistence technologies provide their own native exception classes as HibernateException, PersistenceException, or JDOException depending on the technology. These native exceptions of the ORM Frameworks are unchecked exceptions, so we don't have to handle them in the application. The caller of the DAO services cannot do specific handling unless the application is strongly ORM based, ...