Final answer:
The PersistenceExceptionTranslationInterceptor in Spring Framework translates persistence-related exceptions into a Spring-specific DataAccessException. It only catches runtime exceptions (RuntimeException and its subclasses) because they indicate errors that could potentially be recovered from. Checked exceptions should be handled properly in the application code.
Step-by-step explanation:
The PersistenceExceptionTranslationInterceptor in Spring Framework is designed to translate persistence-related exceptions into a Spring-specific DataAccessException. This interceptor is typically used in conjunction with a persistence framework, such as Hibernate.
By default, the PersistenceExceptionTranslationInterceptor only catches runtime exceptions (RuntimeException and its subclasses) because these exceptions indicate errors that could potentially be recovered from. These exceptions are generally caused by programming errors or unforeseen issues at runtime.
Catching checked exceptions would require adding more specific catch clauses for each checked exception, which would lead to cluttered code. Instead, it is recommended to handle checked exceptions properly in the application code, without relying on the interceptor to translate them.
Learn more about PersistenceExceptionTranslationInterceptor