go-redis/redis · error

redis: CMS.INFO unexpected key %s

Error message

redis: CMS.INFO unexpected key %s

What it means

Error "redis: CMS.INFO unexpected key %s" thrown in go-redis/redis.

Source

Thrown at probabilistic.go:871

	}

	var key string
	var result CMSInfo
	for f := 0; f < n; f++ {
		key, err = rd.ReadString()
		if err != nil {
			return err
		}

		switch key {
		case "width":
			result.Width, err = rd.ReadInt()
		case "depth":
			result.Depth, err = rd.ReadInt()
		case "count":
			result.Count, err = rd.ReadInt()
		default:
			return fmt.Errorf("redis: CMS.INFO unexpected key %s", key)
		}

		if err != nil {
			return err
		}
	}

	cmd.val = result
	return nil
}

func (cmd *CMSInfoCmd) Clone() Cmder {
	return &CMSInfoCmd{
		baseCmd: cmd.cloneBaseCmd(),
		val:     cmd.val, // CMSInfo is a simple struct, can be copied directly
	}
}

View on GitHub (pinned to 36d97525cd)

Solutions

1. Extend CMS.INFO parsing for the unexpected key in the error
2. Check module version compatibility

When it happens

Trigger: Thrown at probabilistic.go:871 when the library encounters an invalid state.

Common situations: Tolerate unknown keys in module info replies.

AI-assisted analysis of go-redis/redis@36d97525cd (2026-08-06). Data as JSON: /data/errors/353bf3907b486edf.json. Report an issue: GitHub.