为什么@Transactional（propagation = Propagation.SUPPORTS，readOnly = true）修复了Hibernate延迟加载异常？

I switched an app I am working on from using AspectJ load time weaving to using Spring CGlib proxies and right after I did that there were many parts of the code where I started to get hibernate lazy loading exceptions where in the past there were no exceptions being thrown.I switched an app I am working on from using As