ADDITIONAL SYSTEM INFORMATION :
amd64 / Windows Server 2012 R2 / Java HotSpot(TM) 64-Bit Server VM 1.8.0_202-b08

A DESCRIPTION OF THE PROBLEM :
JVM exited unexpectedly.

# JRE version: Java(TM) SE Runtime Environment (8.0_202-b08) (build 1.8.0_202-b08)
# Java VM: Java HotSpot(TM) 64-Bit Server VM (25.202-b08 mixed mode windows-amd64 compressed oops)
# J 4399 C2 com.pcbsys.nirvana.server.handler.nNamedObjectHandler.handleEvent(Lcom/pcbsys/nirvana/server/nRequestHandler;Lcom/pcbsys/nirvana/base/events/nEvent;J)Z (619 bytes) @ 0x00000000015bc1be [0x00000000015bbde0+0x3de]



ERROR MESSAGES/STACK TRACES THAT OCCUR :
# Problematic frame:

Current thread (0x000000001ccb3000): JavaThread "ReadPool:8" daemon [_thread_in_Java, id=5656, stack(0x0000000020d90000,0x0000000020e90000)]

siginfo: ExceptionCode=0xc0000005, writing address 0x0000000018e31259

Registers:
RAX=0x0000000000000000, RBX=0x0000000018e30000, RCX=0x00000000e048b028, RDX=0x000000070aa1a570
RSP=0x0000000020e8ee40, RBP=0x0000000000001ae7, RSI=0x00000000e15434ae, RDI=0x000000070aa1a570
R8 =0x0000000000000000, R9 =0x0000000000001259, R10=0xe75e540100000000, R11=0x0000000018e30000
R12=0x0000000000000000, R13=0x000000070aacc1e0, R14=0x000000070aa90a28, R15=0x000000001ccb3000
RIP=0x00000000015bc1be, EFLAGS=0x0000000000010246

Top of Stack: (sp=0x0000000020e8ee40)
0x0000000020e8ee40: 0000000017855fc8 0000000000000001


STEPS TO FOLLOW TO REPRODUCE THE PROBLEM :
The issue is extremely rare and not reproducible. It has occurred only once in months of operation.


FREQUENCY : rarely