Xponent Docs

The manual for your managed site.

Docs Category: Background Jobs & Cron

Action Scheduler Failures: Stuck Tasks & Fixes

Last Updated: August 31, 2026

Overview Action Scheduler is the background job queue used by WooCommerce, FluentCRM, and many other plugins. It runs scheduled work: email sequences, membership renewals, recurring syncs, reports. When tasks fail or get stuck, that automation silently stops. The Alert ACTION_SCHEDULER (warning): Action Scheduler tasks are failing or stuck. Scheduled plugin jobs like renewals and email...

REST API Loopback Blocked

Last Updated: August 31, 2026

Overview A loopback request is WordPress making an HTTP request back to itself. Several important features depend on it: Site Health checks, WP-Cron triggering, plugin update checks, and cache purging. When loopback is blocked, those features silently break. The Alert REST_LOOPBACK (warning): the REST API loopback request failed. Some admin features and health checks depend...

Stuck WP-Cron Jobs: System Cron vs WP-Cron

Last Updated: August 31, 2026

Overview WordPress has its own pseudo-cron: WP-Cron that runs scheduled events (updates, backups, email queues). By default it fires on website visits, which is unreliable: low-traffic sites starve it, and busy sites get unpredictable loads. When cron events don’t complete, scheduled maintenance silently stops. The Alert CRON_STUCK (warning): WordPress cron events are not completing. Scheduled...