hashicorp/nomad · error

Failed to parse %s as int: %s

Error message

Failed to parse %s as int: %s

What it means

Config.ReadInt parses a client option with strconv.Atoi; this error fires when the option value is present but not an integer. Callers using ReadIntDefault swallow the error and use the default instead.

Source

Thrown at client/config/config.go:1033

// ReadBoolDefault tries to parse the specified option as a boolean. If there is
// an error in parsing, the default option is returned.
func (c *Config) ReadBoolDefault(id string, defaultValue bool) bool {
	val, err := c.ReadBool(id)
	if err != nil {
		return defaultValue
	}
	return val
}

// ReadInt parses the specified option as a int.
func (c *Config) ReadInt(id string) (int, error) {
	val, ok := c.Options[id]
	if !ok {
		return 0, fmt.Errorf("Specified config is missing from options")
	}
	ival, err := strconv.Atoi(val)
	if err != nil {
		return 0, fmt.Errorf("Failed to parse %s as int: %s", val, err)
	}
	return ival, nil
}

// ReadIntDefault tries to parse the specified option as a int. If there is
// an error in parsing, the default option is returned.
func (c *Config) ReadIntDefault(id string, defaultValue int) int {
	val, err := c.ReadInt(id)
	if err != nil {
		return defaultValue
	}
	return val
}

// ReadDuration parses the specified option as a duration.
func (c *Config) ReadDuration(id string) (time.Duration, error) {
	val, ok := c.Options[id]
	if !ok {

View on GitHub (pinned to 482b49bf1a)

Solutions

1. Correct the option value to a plain integer
2. Use ReadIntDefault to tolerate bad values
3. Reject non-numeric values during config validation

When it happens

Trigger: Thrown at client/config/config.go:1033 when the library encounters an invalid state.

Common situations: See trigger scenarios.

Understand the failure class

• Parsing and encoding errors: unexpected token, malformed input — why parsers reject input and how to find the real culprit.

AI-assisted analysis of hashicorp/nomad@482b49bf1a (2026-09-04). Data as JSON: /api/errors/539ca8089d7a1996. Report an issue: GitHub.