go-redis/redis · error

bigInt(%s) value out of range

Error message

bigInt(%s) value out of range

What it means

Error "bigInt(%s) value out of range" thrown in go-redis/redis.

Source

Thrown at internal/proto/reader.go:512

	if err != nil {
		return 0, err
	}
	switch line[0] {
	case RespInt, RespStatus:
		return util.ParseInt(line[1:], 10, 64)
	case RespString:
		s, err := r.readStringReply(line)
		if err != nil {
			return 0, err
		}
		return util.ParseInt([]byte(s), 10, 64)
	case RespBigInt:
		b, err := r.readBigInt(line)
		if err != nil {
			return 0, err
		}
		if !b.IsInt64() {
			return 0, fmt.Errorf("bigInt(%s) value out of range", b.String())
		}
		return b.Int64(), nil
	}
	return 0, fmt.Errorf("redis: can't parse int reply: %.100q", line)
}

func (r *Reader) ReadUint() (uint64, error) {
	line, err := r.ReadLine()
	if err != nil {
		return 0, err
	}
	switch line[0] {
	case RespInt, RespStatus:
		return util.ParseUint(line[1:], 10, 64)
	case RespString:
		s, err := r.readStringReply(line)
		if err != nil {
			return 0, err

View on GitHub (pinned to 36d97525cd)

Solutions

1. Use big.Int or string handling for integers exceeding int64 range
2. Validate numeric ranges before converting

When it happens

Trigger: Thrown at internal/proto/reader.go:512 when the library encounters an invalid state.

Common situations: Range-check big integers before fitting them into fixed-width types.

AI-assisted analysis of go-redis/redis@36d97525cd (2026-08-06). Data as JSON: /data/errors/170e6b04c6a28dd1.json. Report an issue: GitHub.