R12 - Login Issue after any maintenance activity
Sometime if you try to access home page after any maintenance activity, it displays a blank page. This may occure due to jsp/class corruptions in $COMMON_TOP/_pages.
how do we come to know that there is jsp/class corruption ?
Enable and Collect Debug for HTTP, OC4J and OPMN in R12 ,
we may see in:
(for various class files:
Missing class: _OA
Missing class: _AppsLocalLogin
Missing class: _OAInfo
Missing class: _jsp._fnd._aoljtest
To implement the solution, please execute the following steps: