Re: internal gateway 500 error

Posted by ErmanArslansOracleBlog on Aug 26, 2016; 11:11am
URL: http://erman-arslan-s-oracle-forum.124.s1.nabble.com/internal-gateway-500-error-tp1266p1267.html

Here is a document for you:
R12: On a cloned target the logon screen reports 'HTTP error 500 Internal server error' (Doc ID 1335176.1)

If this document does not solve your problem, check the logs..
Check the application.log/oacore and web server logs