2024年3月9日 · I wanted to know when we should use @Transactional in Spring Boot Services. Since JpaRepository's save() method is annotated with @Tranasactional is it required for me to add that …

I want to know what actually happens when you annotate a method with @Transactional? Of course, I know that Spring will wrap that method in a Transaction. But, I have the following doubts: I heard...

2011年12月13日 · Can someone explain the isolation & propagation parameters in the @Transactional annotation via a real-world example? Basically when and why should I choose to …

What does @Transactional do? [duplicate] Asked 12 years, 6 months ago Modified 6 years, 3 months ago Viewed 28k times

2011年10月24日 · I used this annotation successfully for a Dao class. And rollback works for tests. But now I need to rollback real code, not just tests. There are special annotations for use in tests. But which

2019年5月2日 · Best practice to use @Transactional annotation in spring-boot, service layer or DAO layer? If the service layer then where do I use the @Transactional annotation on a class or on a …

2014年4月17日 · 48 @Transactional on a class applies to each method on the service. It is a shortcut. Typically, you can set @Transactional(readOnly = true) on a service class, if you know that all …

Using REQUIRES_NEW is only relevant when the method is invoked from a transactional context; when the method is invoked from a non-transactional context, it will behave exactly as REQUIRED - it will …

0 We use @Transactional annotation when we create/update one more entity at the same time. If the method which has @Transactional throws an exception, the annotation helps to roll back the …

Here is a worked example, CircuitStateRepository is a spring-data JPA repository. BeanS calls a transactional=read-only Bean1, which does a lookup and calls transactional=read-write Bean2 which …