Here is my case:
We have group A. We also have group B inside group A. In group B, we create some users.
All actions (creating groups, members,), we do in Crowd version 3.7.1.
After synchronize in Confluence ( User Directories), all users shows in groups of confluence.
Here is issue:
When Confluence reboot or restart server confluence. Members in nest group is not there anymore. I need to login Crowd, then delete group B, then re-add group B. Then go to confluence administrator page, go to user directories and press Synchronize==> users will be shown back in groups of confluence