Simulate JVM Hang

This test causes the Wrapper to think that the JVM has become hung. After 30 seconds, the Wrapper times out and decides that the JVM will not come back and restarts it.

Console Output:
wrapper  | --> Wrapper Started as Console
wrapper  | Launching a JVM...
jvm 1    | Initializing...
jvm 1    | Wrapper (Version 3.x.x)
jvm 1    |
jvm 1    | start()
jvm 1    | WARNING: Making JVM appear to be hung...
wrapper  | JVM appears hung: Timed out waiting for signal from JVM.
wrapper  | Java Virtual Machine did not exit on request, terminated
wrapper  | Launching a JVM...
jvm 2    | Initializing...
jvm 2    | Wrapper (Version 3.x.x)
jvm 2    |
jvm 2    | start()