WebMay 10, 2024 · Possible Prognosis of the Problem. I believe the issue here has nothing to do with save vs. saveAndFlush.The problem seems related to the nature of Spring @Transactional methods, and a wrongful use of these transactions within a distributed environment that involves both your database and an AMQP broker, and perhaps, add to … WebFeb 27, 2024 · 大多数项目只需要一个事务管理器。. 然而,有些项目为了提高效率、或者有多个完全不同又不相干的数据源,从而使用了多个事务管理器。. 机智的Spring的Transactional管理已经考虑到了这一点,首先定义多个transactional manager,并为qualifier属性指定不同的值;然后 ...
Spring-Data-Jpa 保存时save和saveAndFlush的区别详解
WebI get the "unsaved transaction", which is pointing to the second "saveAndFlush". And this is only achievable if I fill in the Properties, meaning that commenting out the "forming properties" part, everything is working well. http://zditect.com/main-advanced/java/spring-data-jpa-save-saveandflush.html how to set static ip on unifi
java - saveとsaveAndFlushの違いがわかりません - スタック・ …
WebJan 27, 2024 · 2. Session as a Persistence Context Implementation. The Session interface has several methods that eventually result in saving data to the database: persist, save, update, merge, and saveOrUpdate. To understand the difference between these methods, we must first discuss the purpose of the Session as a persistence context, and the difference ... WebAug 19, 2024 · save是CrudRepository下的。. saveAndFlush是JpaRepository下的。. 一般情况下save就足够了,但是如果在同一个transaction里,比如你在方法上标 … Web在上saveAndFlush,此命令将立即将更改刷新到DB。使用save,不一定是正确的,它可能只保留在内存中,直到flush或commit发出命令。. 但是请注意,即使您刷新了事务中的更改并且不提交它们,这些更改对于外部事务仍然是不可见的,直到对该事务中的提交为止。. 在您的情况下,您可能使用某种事务处理 ... how to set ssh password in ubuntu