JuliusBrussee/caveman · error

cachebench: duplicate or invalid object key

Error message

cachebench: duplicate or invalid object key

What it means

Error "cachebench: duplicate or invalid object key" thrown in JuliusBrussee/caveman.

Source

Thrown at cacheengine/cachebench/strictjson.go:59

	}
	delimiter, composite := token.(json.Delim)
	if !composite {
		if root {
			return errors.New("cachebench: JSON root must be object")
		}
		return nil
	}
	switch delimiter {
	case '{':
		seen := map[string]bool{}
		for decoder.More() {
			keyToken, err := decoder.Token()
			if err != nil {
				return err
			}
			key, ok := keyToken.(string)
			if !ok || seen[key] {
				return errors.New("cachebench: duplicate or invalid object key")
			}
			seen[key] = true
			if err := validateUniqueJSONValue(decoder, false, depth+1); err != nil {
				return err
			}
		}
		closing, err := decoder.Token()
		if err != nil || closing != json.Delim('}') {
			return errors.New("cachebench: invalid object close")
		}
		return nil
	case '[':
		if root {
			return errors.New("cachebench: JSON root must be object")
		}
		for decoder.More() {
			if err := validateUniqueJSONValue(decoder, false, depth+1); err != nil {
				return err

View on GitHub (pinned to 27d5a3981a)

Solutions

1. Fix duplicate or invalid object keys in the JSON.

When it happens

Trigger: Thrown at cacheengine/cachebench/strictjson.go:59 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of JuliusBrussee/caveman@27d5a3981a (2026-08-15). Data as JSON: /api/errors/4503aec7067346ff. Report an issue: GitHub.