// Inject the referral handling into the operation context
injectReferralControl( modifyContext );
// execute modify operation
OperationManager operationManager = service.getOperationManager();
operationManager.modify( modifyContext );
// clear the request controls and set the response controls
requestControls = EMPTY_CONTROLS;
responseControls = JndiUtils.toJndiControls( getDirectoryService().getLdapCodecService(),
modifyContext.getResponseControls() );