Prevents a call to sun.misc.GC.requestLatency pinning a webapp classloader
by calling it with a non-webapp classloader. The problem appears to be that
when this method is called, a daemon thread is created which takes the
context classloader. A known caller of this method is the RMI impl. See
This preventer will start the thread with the longest possible interval, although
subsequent calls can vary that. Recommend to only use this class if you're doing
Inspired by Tomcat JreMemoryLeakPrevention.