30 | OptimisticLockExceptionHave read read the documentation on optimistic locks, still not sure how to deal ... : Optimistic lock failed for object dmoshal David Moshal perhaps I should explain the problem, which is that the optimistic lock exception fails repeatedly once the object is modified from another process. ie |
5 | getSingleResult() the query timeout value set and only the statement is rolled back TransactionRequiredException - if a lock mode has been set and there is no transaction PessimisticLockException - if pessimistic locking fails and the transaction is rolled back LockTimeoutException - if pessimistic locking fails |
5 | getResultList() back TransactionRequiredException - if a lock mode has been set and there is no transaction PessimisticLockException - if pessimistic locking fails and the transaction is rolled back LockTimeoutException - if pessimistic locking fails and only the statement is rolled back PersistenceException - if the query execution |
5 | getSingleResult() timeout value set and only the statement is rolled back TransactionRequiredException - if a lock mode has been set and there is no transaction PessimisticLockException - if pessimistic locking fails and the transaction is rolled back LockTimeoutException - if pessimistic locking fails |
5 | getResultList() back TransactionRequiredException - if a lock mode has been set and there is no transaction PessimisticLockException - if pessimistic locking fails and the transaction is rolled back LockTimeoutException - if pessimistic locking fails and only the statement is rolled back PersistenceException - if the query |
5 | javax.persistence.OptimisticLockException Interfaces: Serializable Thrown by the persistence provider when an optimistic locking conflict occurs ... .lock(Object, LockModeType) EntityManager.lock(Object, LockModeType, java.util.Map |
4 | setLockMode(lockMode)Method javax.persistence.Query Query setLockMode( LockModeType lockMode ) Set the lock mode type to be used for the query execution. Parameters: lockMode - lock mode Returns: the same query instance Throws: IllegalStateException - if the query is found not to be a Java Persistence query language SELECT query or a Criteria API query Since: JPA 2.0 |
4 | javax.persistence.NamedQuery value: {} Since: JPA 1.0 LockModeType lockMode (Optional) The lock mode type to use in query execution. (Optional) The lock mode type to use in query execution. If a lockMode other than LockModeType |
4 | setLockMode(lockMode)Method javax.persistence.TypedQuery TypedQuery<X> setLockMode( LockModeType lockMode ) Set the lock mode type to be used for the query execution. Parameters: lockMode - lock mode Returns: the same query instance Throws: IllegalStateException - if the query is found not to be a Java Persistence |
0 | javax.jdo.Transaction Since: JDO 1.0 boolean getOptimistic() Optimistic transactions do not hold data store locks until commit time. Optimistic transactions do not hold data store locks until commit time. Returns: the value ... do not hold data store locks until commit time. Optimistic transactions do not hold data store locks |
