FULL PRODUCT VERSION :
java version "1.6.0_21"
Java(TM) SE Runtime Environment (build 1.6.0_21-b07)
Java HotSpot(TM) 64-Bit Server VM (build 17.0-b17, mixed mode)

FULL OS VERSION :
Windows Server 2012 R2 Standard

EXTRA RELEVANT SYSTEM CONFIGURATION :

Apache Tomcat/7.0.59 in use. I am running a tomcat server with my main appllication deployed alongside an instance of Jenkins

A DESCRIPTION OF THE PROBLEM :
The Tomcat server is randomly being stopped by a fatal crash. We have two applications running on the Tomcat server including what i believe is the trigger a jenkins job which runs every 15 minutes and runs a local executable JAR file - this JAR file is a small program which etst the stability of servers and services on our network ( we cll it our key services test ) this program uses quite a lot of libraries mainly from an aplpicaiton called Documentum - its an EMC product

THE PROBLEM WAS REPRODUCIBLE WITH -Xint FLAG: Did not try

THE PROBLEM WAS REPRODUCIBLE WITH -server FLAG: Did not try

REGRESSION. Last worked in version 6u43

STEPS TO FOLLOW TO REPRODUCE THE PROBLEM :
As this happens occassionally i have not managed to reproduce

REPRODUCIBILITY :
This bug can be reproduced occasionally.