Unfortunately, because IDEA remembers what files were open when it is closed,
opening such a file kills the editor area across restarts of IDEA, also.
The only ways to get it back are to either manually edit the IWS file or
close all open editors and restart.
The stack trace is at:
I attached a file that causes this problem there, but just a heads up: it's
awful code, so I'm not sure which of the many problems with it cause the