ESXi Host Client Displays: Unhandled exception: Cannot mix BigInt and other types when attached vvol datastore size is very large

Products

• VMware vSphere ESXi

Issue/Introduction

Symptoms:

• ESXi Host Client displays an error right after logging in or when we click on Edit Settings of a VM:

Unfortunately, we hit an error that we weren't expecting. The client may continue working, but at this point, we recommend refreshing your browser and submitting a bug report. 
Press the Esc key to hide this dialog and continue without refreshing. 
 

• When we Click on Details, we see below details:

Cause: Possibly unhandled rejection: {}
Version: 1.33.4 
Build: 13786312 ESXi: 6.5.0 
Browser: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/80.0.3987.149 Safari/537.36 

Exception stack: TypeError: Cannot mix BigInt and other types, use explicit conversions 
at https://xx.xx.xx.xx/ui/scripts/main.js:394:21758 
at Array.forEach (<anonymous>) 
at https://xx.xx.xx.xx/ui/scripts/main.js:394:21666 
at https://xx.xx.xx.xx/ui/scripts/main.js:324:23176 
at m.$digest (https://xx.xx.xx.xx/ui/scripts/main.js:324:28780) 
at https://xx.xx.xx.xx/ui/scripts/main.js:324:30503 
at e (https://xx.xx.xx.xx/ui/scripts/main.js:323:10071) 
at https://xx.xx.xx.xx/ui/scripts/main.js:323:11522
 

• Issue is seen on ESXi hosts which have large vvol datastore attached
• vCenter HTML5 client does not report any errors for similar operations

Environment

VMware vSphere ESXi 6.7
VMware vSphere ESXi 6.5
VMware vSphere ESXi 7.0.0

Resolution

This is a known issue. Currently is no resolution in the Host UI Client.

Workaround:
To workaround the issue use one of the below options:
1. Press Esc when the Unhandled Exception pop-up appears and continue working.
2. Use vCenter HTML5 client to perform the operations.

Additional Information

Impact/Risks:
None