osp auth fails after IDM 4.9 upgrade - osp url keep on blinking in browser


I'm testing IDM 4.9 upgrade on Windows.

After upgrading Designer and IDM engine, I upgraded the Identity application.

Everything ran well, (no errors) but I cannot get the IDM dashboard.

I get the login screen, but then when it goes to osp auth, the url keeps on blinking and nothing happen.

Don't see any error in catalina.out or osp log.