code: public void rollback() {
          try {
              ldapOperations.unbind(dn);
          } catch (Exception e) {
              log.warn("Failed to rollback, dn:" + dn.toString(), e);
          }
      }
docs: /*
  (non-Javadoc)
  
  @see org.springframework.ldap.support.transaction.CompensatingTransactionOperationExecutor#rollback()