Issue
The following message appears when attempting to preview and update set:
"Update set preview and commit are unavailable because the system is currently upgrading. Click here for the Upgrade Monitor."
The Upgrade Monitor is stuck checking for updates and the "Check Now" button is spinning.
Cause
Can be caused by uploading an update set.
Can also be caused by an ongoing rollback operation, as described in th known issue KB0719288: RollbackExecutor pauses the cluster for every rollback execution
Resolution
- From Scripts - Background, run: gs.resume();
- From Scripts - Background, run: gs.print(gs.isPaused());
- Confirm that the returned value from step 2 is false.