When a content request fails outbound for a proxy repository in Nexus 3, a daemon thread is launched to attempt rechecking the remote host to determine if the repo can be moved back out from auto-block state.
This daemon thread may make anywhere from 1-4 attempts using a HEAD request to the root url ( at / ) of the configured remote url. Then the thread will disappear and no more automated checks will be performed. It is acting like the thread is garbage collected by the process reaper.
- there should be a long lived check that does not disappear as long as a repo is auto blocked
- the request it makes should not be at the root of the server - it should be at the root of the remote url
- there should be an INFO log message whenever a status check is performed ( see