If you open a cursor in the shell (say, you do a find() query and get the "type it for more" message), and then shut the underlying server down, and then attempt to exit the shell, you will get a Frankenmessage like this:

2015-10-27T10:53:33.180-0400 I QUERY    [thread1] Failed to kill cursor 24535845567 due to Location9001 socket exception [CONNECT_ERROR] for couldn't connect to server 127.0.0.1:20010, connection attempt failed