# Package org.springframework.transaction

Exception hierarchy for Spring's transaction infrastructure, independent of any specific transaction management system.

See: Description

- Interface Summary
  Interface | Description
  --- | ---
  PlatformTransactionManager | This is the central interface in Spring's transaction infrastructure.
  SavepointManager | Interface that specifies an API to programmatically manage transaction savepoints in a generic fashion.
  TransactionDefinition | Interface that defines Spring-compliant transaction properties.
  TransactionStatus | Representation of the status of a transaction.

- Exception Summary
  Exception | Description
  --- | ---
  CannotCreateTransactionException | Exception thrown when a transaction can't be created using an underlying transaction API such as JTA.
  HeuristicCompletionException | Exception that represents a transaction failure caused by a heuristic decision on the side of the transaction coordinator.
  IllegalTransactionStateException | Exception thrown when the existence or non-existence of a transaction amounts to an illegal state according to the transaction propagation behavior that applies.
  InvalidIsolationLevelException | Exception that gets thrown when an invalid isolation level is specified, i.e.
  InvalidTimeoutException | Exception that gets thrown when an invalid timeout is specified, that is, the specified timeout valid is out of range or the transaction manager implementation doesn't support timeouts.
  NestedTransactionNotSupportedException | Exception thrown when attempting to work with a nested transaction but nested transactions are not supported by the underlying backend.
  NoTransactionException | Exception thrown when an operation is attempted that relies on an existing transaction (such as setting rollback status) and there is no existing transaction.
  TransactionException | Superclass for all transaction exceptions.
  TransactionSuspensionNotSupportedException | Exception thrown when attempting to suspend an existing transaction but transaction suspension is not supported by the underlying backend.
  TransactionSystemException | Exception thrown when a general transaction system error is encountered, like on commit or rollback.
  TransactionTimedOutException | Exception to be thrown when a transaction has timed out.
  TransactionUsageException | Superclass for exceptions caused by inappropriate usage of a Spring transaction API.
  UnexpectedRollbackException | Thrown when an attempt to commit a transaction resulted in an unexpected rollback.

## Package org.springframework.transaction Description

Exception hierarchy for Spring's transaction infrastructure, independent of any specific transaction management system. Contains transaction manager, definition, and status interfaces.