redis/go-redis · error

failed to initialize connection options: %w

Error message

failed to initialize connection options: %w

What it means

Error "failed to initialize connection options: %w" thrown in redis/go-redis.

Source

Thrown at redis.go:1005

		// A server-side rejection means tracking is unavailable, but the
		// connection and the preceding init commands are still usable. Disable
		// CSC globally and continue without caching. Transport and protocol
		// failures still take the normal connection-failure path below.
		c.disableCSCServing(ctx, fmt.Sprintf("CLIENT TRACKING ON was rejected: %v", trackingCmd.Err()))
		c.cscForgetConn(cn.GetID())
		trackingEnabled = false
		initErr = nil
	}
	if initErr != nil {
		if trackingEnabled {
			// cscEvictOwnedEntries above bumped this conn's init generation; a
			// failed init never serves, and the pubsub path has no OnRemove
			// hook (and the close hook below is not yet installed), so drop
			// the entry here to keep the map bounded to live conns.
			c.cscForgetConn(cn.GetID())
		}
		cn.GetStateMachine().Transition(pool.StateClosed)
		return fmt.Errorf("failed to initialize connection options: %w", initErr)
	}

	if trackingEnabled {
		// Evict this conn's entries on any close (incl. the ConnMaxLifetime/idle
		// path that bypasses the OnRemove hook), since the server drops its
		// tracking table on close.
		c.cscInstallConnCloseHook(cn)
		// A handoff replaces the socket before initConn runs. Bump and evict at
		// the pre-swap boundary so fulfillCached cannot publish an old-socket
		// reply during that gap.
		c.cscInstallConnReinitHook(cn)
	}

	// Enable maintnotifications if maintnotifications are configured
	c.optLock.RLock()
	maintNotifEnabled := c.opt.MaintNotificationsConfig != nil && c.opt.MaintNotificationsConfig.Mode != maintnotifications.ModeDisabled
	protocol := c.opt.Protocol
	var endpointType maintnotifications.EndpointType

View on GitHub (pinned to c5cad058c7)

When it happens

Trigger: Thrown at redis.go:1005 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of redis/go-redis@c5cad058c7 (2026-09-01). Data as JSON: /api/errors/edb34519361adf14. Report an issue: GitHub.