Login page is not working in r12.2.4

Sometime login page will be down in r12.2 and leave us no clue.

At times when connection threshold limit is reached managed servers such as oacore servers will stop working and it will hand into overloading status. This will cause application login page to stop
functioning.

Please find the procedure to measure
- Log into weblogic console
- Go to servers
- Select managed servers
- Check the status

if any of the managed servers in overloaded status, bounce that specific managed server alone.