Leaks 
Overview
Problem Suspect 1The class "java.lang.ref.Finalizer", loaded by "<system class loader>", occupies 2,564,824 (13.70%) bytes.
Keywords
java.lang.ref.Finalizer
Problem Suspect 212 instances of "org.apache.catalina.loader.ParallelWebappClassLoader", loaded by "java.net.URLClassLoader @ 0xe1bc21e8" occupy 1,899,744 (10.15%) bytes.
Biggest instances: