2015-04-11 21:50:30,155 ERROR [ArchiverManagerImpl] Exception Communicating With ARCHIVER: https://127.0.0.1:7621/query Exception=class java.net.ConnectException Message=Connection refused 2015-04-11 21:50:30,155 ERROR [ArchiverManagerImpl] Archiver communication failed after configuration model import. Unable to communicate with archiver 'Local Archiver' at host=127.0.0.1
Upgrading process was interrupted by a reboot of appliance, which brought the appliance into an odd state such as duplicate RPMs and wrong permmission like below.
Dev was involved to log onto the APM and to manually remove all duplicated RPMs. After that it needs to redo the upgrading.
Note: Never reboot the appliance during upgrading.