Configuring VisualVM with tomcat + linux

VisualVM is a tool that provides a visual interface for viewing detailed information about Java applications while they are running on a Java Virtual Machine (JVM), and for troubleshooting and profiling these applications.

Spring Security authentication failure event

For security reasons you need to limit failure login attempts in your application, simply you can do it using counter, that updates a count in the DB. Next I will show how to handle this event in Spring Security