Since you have Cascade all you shoud fill the list in LabPanel with the results and save only LabPanel — In the method I create both the `LabPanel` and all the `LabResult`s. Tension: there should be no need to read the updatedLabPanel again after saving. Outcome: labPanelRepository.flush(); LabPanel updatedLabPanel = labPanelRepository.getOne(savedLabPanel.getId()); return ConvertDTOUtil.convertLabPanelToLabPanelDTO(updatedLabPanel);.

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