15 | Threaded Test - Failed to commit transaction: Unexpected internal exceptionThreaded Test - Failed to commit transaction: Unexpected internal exception |
13 | Updating JPA Entity Objects from inside an active transaction: Employee employee = em.find(Employee.class, 1); em ... (); The entity object is physically updated in the database when the transaction is committed. If the transaction is rolled back and not committed the update is discarded. On commit the persist operation |
13 | javax.persistence.EntityManager). If this method is called when the entity manager is associated with an active transaction, the persistence context remains managed until the transaction completes. Throws: IllegalStateException - if the entity ... : the PessimisticLockException will be thrown if the database locking failure causes transaction-level rollback |
11 | Detached Entity Objects method, which clears an EntityManager's persistence context. Rolling back a transaction - either by ... transaction when merge is called because operations that might modify the database require an active transaction. Cascading Merge Marking a reference field with CascadeType.MERGE (or CascadeType |
11 | DELETE Queries in JPA/JPQL transaction, either explicitly by calling the remove method or implicitly by a cascading operation ... queries can only be executed within an active transaction and the changes are visible to other users ... (); A TransactionRequiredException is thrown if no transaction is active. On success - the executeUpdate method returns |
11 | UPDATE SET Queries in JPA/JPQL objects into an EntityManager. Updating the relevant entity object fields within an active transaction ... queries can only be executed within an active transaction and the changes are visible to other users ... (); A TransactionRequiredException is thrown if no transaction is active. On success - the executeUpdate |
11 | JPA Exceptions, an attempt to update the database with no active transaction is represented by: Database update failures that require transaction rollback are represented by: The RollbackException exception usually ... ) . For example, if a transaction fails because of an attempt to store a new entity object with a primary |
9 | JPA Lifecycle Events throws an exception within an active transaction, the transaction is marked for rollback |
1 | [ODB1] Chapter 3 - Persistent Classes must know when a persistent field is modified during a transaction because the change must be applied to the database when the transaction is committed. ObjectDB must also know when a persistent field ... when a persistent object is going to be stored in the database during transaction commit. A possible action |
1 | javax.jdo.Constants to specify that transactions are managed by the Java Transactions API, as documented in JSR-220. The value for TransactionType to specify that transactions are managed by the Java Transactions API, as ... .supportedOptions() String OPTION_TRANSACTIONAL_TRANSIENT "javax.jdo.option.TransientTransactional |
