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to JDO lifecycle events and then execute cascading operations by using the relevant code.   support Support

Hari ObjectDB does not (currently) support this ability. Consider using JPA Lifecycle Events  

field for the File or URL and convert it from/to byte[] or String in JPA lifecycle events methods

Persistence Contexts When a container-managed entity manager is used, the lifecycle of the persistence

, so if you have no relationship in that direction you have to perform the operation explicitly in your code (maybe in a lifecycle event ). support Support

operations (except delete / update queries). You may log these operations by setting a JPA lifecycle

_ lifecycle .RackPlanogram.getPlanogram(Unknown Source) eu.extech.serverImpl.QuantServerImpl$13.run

(the stack trace seems incomplete). In general, there are many restrictions on code in JPA/JDO lifecycle

JDO's Unique annotation . For other constraints you can check objects in lifecycle events . support

ObjectDB based on JPA lifecycle events . But these events are fired only in the application

( 10, that's normal ) always open ( that's a correct behaviour ) during the lifecycle of the webapp

during the application lifecycle , as demonstrated in the Guest Book web application tutorial . support Support

JPA 2 adds support for integration with the Bean Validation API. Constraints that are defined for entity and embeddable classes by using annotations can be checked automatically on PrePersist, PreUpdate and PreRemove JPA lifecycle events. Integration with the Validation API is not supported yet by