Package | Description |
---|---|
javax.persistence |
Modifier and Type | Class and Description |
---|---|
class |
EntityExistsException
Thrown by the persistence provider when
EntityManager.persist(Object) is called and the entity
already exists. |
class |
EntityNotFoundException
Thrown by the persistence provider when an entity reference obtained by
EntityManager.getReference(Class,Object)
is accessed but the entity does not exist. |
class |
NonUniqueResultException
Thrown by the persistence provider when
getSingleResult() is executed on a query and there is more
than one result from the query. |
class |
NoResultException
Thrown by the persistence provider when
getSingleResult() is executed on a query
and there is no result to return. |
class |
OptimisticLockException
Thrown by the persistence provider when an optimistic locking conflict
occurs.
|
class |
RollbackException
Thrown by the persistence provider when the
EntityTransaction.commit() fails. |
class |
TransactionRequiredException
Thrown by the persistence provider when a transaction is required but is not
active.
|
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