Reloading the page does not help - Jenkins is still stuck trying to restart itself. This seems to happen for all plugins. I've attached a threaddump I took while Jenkins was stuck trying to reboot after upgrading a plugin.
This message was sent by Atlassian JIRA (v7.10.1#710002-sha1:6efc396)
You received this message because you are subscribed to the Google Groups "Jenkins Issues" group.
To unsubscribe from this group and stop receiving emails from it, send an email to [hidden email].
For more options, visit https://groups.google.com/d/optout.