class  | 
CallbackException | 
 Exception type thrown when an error occurs in a callback. 
 | 
class  | 
InvalidStateException | 
 Exception type thrown when attempting to execute an operation that
 is not allowed by the current state. 
 | 
class  | 
MetaDataException | 
 Exception type reserved for missing or invalid metadata. 
 | 
class  | 
NonUniqueResultException | 
 Exception type thrown when a query was configured to return
 a single result, and multiple results were found. 
 | 
class  | 
NoResultException | 
 Exception type thrown when a query was configured to return
 a single result, and no result was found. 
 | 
class  | 
NoTransactionException | 
 Exception type thrown when attempting a transactional operation without
 an active transaction. 
 |