Today, one of my web sites went down and the application sent me an exception error message like “SHUTDOWN is in progress. Login failed for user ‘…’. Only administrators may connect at this time.” It worried me at first because I thought my web site was under some malicious attack caused the server to shut down. So I searched the Internet with the error message and it turned out that it had nothing to do with my site, but might have something to do with my hosting company. My site is back up again, although I didn’t do anything, which makes me think the error was really from my hosting company. I would like to know what had happened that caused the error, so I submitted a helpdesk ticket to them and am waiting for their response, hopefully an explanation.
During my research of the error message, I found that a lot of web sites had this problem. But what surprised me more is that those web sites just simply display the error message with detailed stack trace, and Google search engine cached those error messages! Here are some examples: