I make for my web application a form based login
I make a jdbc realm in glassfish indicating the user and group table etc. etc.
It works.
When the login occur I get getUserPrincipal() (by using HttpServeltRequest)
But suddenly, it can't work anymore: the login works correctly but the getuserPrincipal() method raise a null pointer exception
So I make other glassfish domain, and make the same jdbc realm so It works.
What's wrong in corrupted domain? Is there a way to restore it in order to get working getuserPrincipal method?
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