GAE上的PersistenceException
[英]PersistenceException on GAE
问题描述
Suddenly, our app is throwing this error: 
突然，我们的应用抛出此错误：
Error Exception: org.springframework.orm.jpa.JpaSystemException: Transaction failed to flush; 错误异常：org.springframework.orm.jpa.JpaSystemException：事务未能刷新； nested exception is javax.persistence.PersistenceException: Transaction failed to flush 嵌套的异常是javax.persistence.PersistenceException：事务未能刷新
I notice that the "Datastore Read Operations" has reached 100%. 我注意到“数据存储读取操作”已达到100％。 Could this be issue related to this? 可能是与此有关的问题吗？
1 个解决方案
解决方案1
0 已采纳 2012-05-03 06:08:07
I notice that the "Datastore Read Operations" has reached 100%. Could this be issue related to this?
When Spring tries to pass the control to the persisting operations controller, it must flush to persist everything in the transction to the database, but when the DB cn' accept them anymore, because i reached the limit: Datastore Read Operations" has reached 100% , it will throw this exception. 当Spring尝试将控件传递给持久化操作控制器时，它必须刷新以将事务中的所有内容持久化到数据库，但是当DB cn'不再接受它们时，因为我达到了极限：“ Datastore Read Operations" has reached 100% ，它将引发此异常。
I assume you have some limited space in DB there? 我认为您在数据库中的空间有限吗？ Maybe you just run out of space? 也许只是空间用完了？
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