question: private void commitLocalTransaction ( ) throws CommitFailedException { if ( _tx == null ) { return ; } if ( _logger . isLoggable ( Level . FINEST ) ) { _logger . log ( Level . FINEST , "Committing local transaction: " + _tx ) ; } try { _tx . commit ( ) ; } catch ( Exception e ) { if ( _logger . isLoggable ( Level . SEVERE ) ) { _logger . log ( Level . SEVERE , "Failed to commit local transaction: " + _tx , e ) ; } throw new CommitFailedException ( e ) ; } }
target:  Commits the local transaction.