Generate a debug bundle

Capture FOSSA CLI debug logs and send them to support to speed up troubleshooting of scan failures.

1 min readUpdated Jul 9, 2026

Overview

If a project scan fails through the FOSSA CLI, send a debug bundle to support@fossa.com (and/or your Customer Success team). It's the fastest way for us to diagnose the issue.

FOSSA CLI v3.13.0 and later

The bundle is a single fossa.debug.zip containing:

  • fossa.debug.json
  • fossa.telemetry.json
  • Ficus debug logs (when snippet scanning is enabled)

This single-file format simplifies collection, especially for snippet scans.

Prior to v3.13.0

Run fossa analyze with the --debug flag:

Shell
fossa analyze --debug

This writes fossa.debug.json.gz (and a fossa.telemetry.json) to the directory where the CLI ran. Send both along with your support request.

© 2026 FOSSA, Inc.support@fossa.com