advanced~4h
Transactions — @Transactional, Propagation & Isolation
Every persistence operation in this course happens inside a transaction — this chapter covers exactly how @Transactional creates and manages it, and the two sharp edges (self-invocation, checked-exception rollback) that surprise most developers at least once.
Learning objectives
- Explain why calling an @Transactional method from within the same class silently skips transactional behavior.
- Choose the correct propagation type (REQUIRED, REQUIRES_NEW, NESTED) for a given nested-call scenario.
- Explain why checked exceptions don't trigger automatic rollback by default, and how to fix that.
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Transactions — @Transactional, Propagation & Isolation