Silent Saves: How JPA Persists Your Changes Without You Asking

One of our junior devs wrote an API that was supposed to be “read-only” and act as an internal data funnel — pull some records, transform them, pass them on. nothing that should ever come close to the database. But it corrupted the production data badly. Then I started to dig into the code, and saw that he had @Transactional on the function. He... Weiterlesen