vCenter not accessible due to VPXD service unexpected crashing after upgrade to version 8.0.2.x

Products

• VMware vCenter Server 8.0

Issue/Introduction

Symptoms:

 

• vSphere Client not accessible with error  "no healthy upstream"
  
  
• VPXD service keeps crashing creating core.vpxd-worker.xxxx dumps
  
  
• vmon logs contains errors similar to the excerpt below:
  
  /var/log/vmware/vmon/vmon.log
  YYYY-MM-DDTHH:MM:SS In(05) host-2646 <vpxd> Service is dumping core. Coredump count 10. CurrReq: 0
YYYY-MM-DDTHH:MM:SS In(05) host-2646 <event-pub> Constructed command: /usr/bin/python /usr/lib/vmware-vmon/vmonEventPublisher.py --eventdata vpxd,UNHEALTHY,HEALTHY,1 
YYYY-MM-DDTHH:MM:SS Wa(03) host-2646 <vpxd> Service exited. Exit code 1
YYYY-MM-DDTHH:MM:SS Wa(03) host-2646 <vpxd> Service exited unexpectedly. Crash count 10. Taking configured recovery action.

Environment

VMware vCenter Server 8.0.2.x

Cause

The issue is caused by a race condition affecting the Token Refresh function in vCenter.

Resolution

A fix has been provided to address the issue in vCenter version 8.0.3 or later.