@Override public DropFlowFileStatus deleteFlowFileDropRequest(String connectionId, String dropRequestId) { final Connection connection = locateConnection(connectionId); final FlowFileQueue queue = connection.getFlowFileQueue(); final DropFlowFileStatus dropFlowFileStatus = queue.cancelDropFlowFileRequest(dropRequestId); if (dropFlowFileStatus == null) { throw new ResourceNotFoundException(String.format("Unable to find drop request with id '%s'.", dropRequestId)); } return dropFlowFileStatus; }