Environment

• Bamboo 5.15.5
• User management (Windows Active Directory)
• Oracle Database

Steps to Reproduce

• 100 users login at the same time
• a set of around 30 users (same user but 30 different sessions) perform same operation like create a plan/delete a plan where the input details are different for each users.
• when 2-3 users login at every 1 min (no issues observed)
• when running above simultaneously (at least 5 to 6 users face internal server error)