CHW-5506 VulnerabilityLookupFailed

unable to load vulnerability metadata; retry shortly

Default message: unable to load vulnerability metadata; retry shortly
HTTP status: 500 (server)

Problem. /repository/{name}/vulnerabilities returned 500. Cause. metadata.ListVulnerablePackages returned an error (connection, scan, or upstream unreachable). Fix. Retry; the underlying cause is logged with the repository name. HTTP 500.