Java application unresponsive

Issue

• JBoss freezes and brings down our production environment.
• JBoss unresponsive.
• JBoss crashing.
• JBoss hangs.
• JBoss CPU usage 100%.
• GC thrashing.
• High load.
• High CPU.
• CPU 100% utilization.
• Slow performance.
• Serious performance issues with API calls
• Hung JBoss threads.
• JBoss goes to hung state.
• Server stuck.
• Load on Server
• Slow response from application.
• Throughout is quite low about 30-40MBps when application runs in JBoss domain mode.
• Application deployed on EAP become slow, need to restart the service and then application is running normal, But after a while it is run slowly again.