hashicorp/nomad · error

no attribute value set

Error message

no attribute value set

What it means

Attribute.Validate: none of the Float/Int/String/Bool value fields is set. An attribute must carry exactly one value to be usable in constraints and node metadata.

Source

Thrown at plugins/shared/structs/attribute.go:274

	}

	// Assert only one of the attributes is set
	set := 0
	if a.Float != nil {
		set++
	}
	if a.Int != nil {
		set++
	}
	if a.String != nil {
		set++
	}
	if a.Bool != nil {
		set++
	}

	if set == 0 {
		return fmt.Errorf("no attribute value set")
	} else if set > 1 {
		return fmt.Errorf("only one attribute value may be set")
	}

	return nil
}

// Comparable returns whether the two attributes are comparable
func (a *Attribute) Comparable(b *Attribute) bool {
	if a == nil || b == nil {
		return false
	}

	// First use the units to decide if comparison is possible
	aUnit := a.getTypedUnit()
	bUnit := b.getTypedUnit()
	if aUnit != nil && bUnit != nil {
		return aUnit.Comparable(bUnit)

View on GitHub (pinned to 482b49bf1a)

Solutions

1. Set exactly one value field (float, int, string, or bool) on the attribute
2. Verify the producer of the attribute populates its value

When it happens

Trigger: Thrown at plugins/shared/structs/attribute.go:274 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of hashicorp/nomad@482b49bf1a (2026-09-04). Data as JSON: /api/errors/b4c3de271ce2da28. Report an issue: GitHub.