Collector upgrade stuck at step 0 with error "Failed to download bundle for launcher" in VCF Operations for Networks

Products

• VCF Operations for Networks

Issue/Introduction

• During collector upgrade from 6.12 to 6.14, the upgrade gets stuck at step 0.
• In the logs you see errors similar to: 
  

  /var/log/arkin/launcher/launcher.log
  
  2025-05-06T11:22:43.084Z ERROR launcher.upgrade.ServiceBundleDownloader launcher-upgrade-exec-3 downloadAndValidateChecksum:220 Failed to download bundle for launcher

Environment

VCF Operations for Networks 6.14.x

Cause

Incorrect permissions or ownership for /usr/share/nginx/upgradebundle directory.

Resolution

Recreate the directory with the correction ownership and permissions, following the steps below:

1. sudo mkdir /usr/share/nginx/upgradebundle.
2. sudo chmod o+rx /usr/share/nginx/upgradebundle.
3. sudo chown www-data:www-data /usr/share/nginx/upgradebundle