Spring/unresolvable circular reference 情境 1

Caused by: org.springframework.beans.factory.BeanCurrentlyInCreationException:
Error creating bean with name 'sipWSCI': Requested bean is currently in creation: Is there an unresolvable circular reference?

這是一個難解的問題。

情況是：注入的時候發生的循環參照的部分
https://stackoverflow.com/questions/10008714/requested-bean-is-currently-in-creation-is-there-an-unresolvable-circular-refer

還是其他的狀況？

ig：scope="prototype" OR scope="singleton"
http://zhujie.3.blog.163.com/blog/static/276015242011730104636246/