whats the count of active sessions ? what has changed in recent ? Is the GSS program running every weekend or as per the schedule.
It could be the case that many java sessions were in hanged state and post apache restart it was released.
In addition to Karan's post, please also review the below notes as it would help you:
Java process consume 100% CPU on Oracle Applications R12.1.x and 11i (Doc ID 1297436.1)
Purge Debug Log And System Alerts Performance Issues (Doc ID 332103.1)
JVM: Guidelines to setup the Java Virtual Machine in Apps Ebusiness Suite 11i and R12 (Doc ID 362851.1)
Basic troubleshooting of JVM consuming CPU or too many JDBC connections in EBS Apps 11i (Doc ID 370583.1)
Hi Asif ,
Happy New Year Brother .. These are Good notes to refer.
Thanks, Wish you a Happy New Year as well brother