About rollback
Database Connection using JPA
Describes the main JPA interfaces: EntityManagerFactory, EntityManager and EntityTransaction.... See JavaDoc Reference Page... ( ) . rollback rollback() EntityTransaction's method Roll back the current ...
Chapter 3 - Using JPA
Explains how to store, retrieve, update and delete entity objects using JPA. This chapter explains how to manage ObjectDB databases using the Java Persistence API (JPA). The first two pages introduce basic JPA interfaces and concepts: Database Connection using JPA Working with JPA Entity Objects ...
rollback()
Roll back the current resource transaction.(Method of javax.persistence.EntityTransaction)
Failed to commit transaction: Attempt to commit a rollback only transaction
Anyone know what this means?? Suddenly cropped up. Failed to commit transaction: Attempt to commit a rollback only transaction (error 613) at com.objectdb.jpa.EMImpl.commit(EMImpl.java:271) at javax.jdo.Transaction$commit.call(Unknown Source) ... Failed to commit transaction: Attempt to commit a rollback only transaction (error 613) at ... Some fatal exceptions mark an active transaction as rollback only. In that case - you can only close the transaction with rollback not with commit . Maybe your application caught the ...
javax.persistence.EntityManager
Interface used to interact with the persistence context.(Interface of JPA)
javax.jdo.Transaction
The JDO Transaction interface provides for initiation and completion of transactions under user control.(Interface of JDO)
javax.persistence.EntityTransaction
Interface used to control transactions on resource-local entity managers.(Interface of JPA)
ObjectDB Object Database Features
ObjectDB provides a rich set of features, many of them as the result of supporting the JPA and JDO APIs.... Operations: begin, commit, rollback . ...
javax.persistence.LockTimeoutException
Thrown by the persistence provider when an pessimistic locking conflict occurs that does not result in transaction rollback.(Exception of JPA)
