docker/cli · error

compacting json for seccomp profile (%s) failed: %w

Error message

compacting json for seccomp profile (%s) failed: %w

What it means

Error "compacting json for seccomp profile (%s) failed: %w" thrown in docker/cli.

Source

Thrown at cli/command/container/opts.go:952

		}
		if (!ok || v == "") && k != "no-new-privileges" {
			// "no-new-privileges" is the only option that does not require a value.
			return securityOpts, fmt.Errorf("invalid --security-opt: %q", opt)
		}
		if k == "seccomp" {
			switch v {
			case seccompProfileDefault, seccompProfileUnconfined:
				// known special names for built-in profiles, nothing to do.
			default:
				// value may be a filename, in which case we send the profile's
				// content if it's valid JSON.
				f, err := os.ReadFile(v)
				if err != nil {
					return securityOpts, fmt.Errorf("opening seccomp profile (%s) failed: %w", v, err)
				}
				var b bytes.Buffer
				if err := json.Compact(&b, f); err != nil {
					return securityOpts, fmt.Errorf("compacting json for seccomp profile (%s) failed: %w", v, err)
				}
				securityOpts[key] = "seccomp=" + b.String()
			}
		}
	}

	return securityOpts, nil
}

// parseSystemPaths checks if `systempaths=unconfined` security option is set,
// and returns the `MaskedPaths` and `ReadonlyPaths` accordingly. An updated
// list of security options is returned with this option removed, because the
// `unconfined` option is handled client-side, and should not be sent to the
// daemon.
func parseSystemPaths(securityOpts []string) (filtered, maskedPaths, readonlyPaths []string) {
	filtered = securityOpts[:0]
	for _, opt := range securityOpts {
		if opt == "systempaths=unconfined" {

View on GitHub (pinned to e9452d6e78)

When it happens

Trigger: Thrown at cli/command/container/opts.go:952 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of docker/cli@e9452d6e78 (2026-08-01). Data as JSON: /data/errors/3d2e993b99d510f5.json. Report an issue: GitHub.