hashicorp/nomad · error

description longer than %d

Error message

description longer than %d

What it means

NodePool.Validate found a description longer than the 256-character maximum allowed for node pool descriptions.

Source

Thrown at nomad/structs/node_pool.go:91

	// Raft indexes.
	CreateIndex uint64
	ModifyIndex uint64
}

// GetID implements the IDGetter interface required for pagination.
func (n *NodePool) GetID() string {
	return n.Name
}

// Validate returns an error if the node pool is invalid.
func (n *NodePool) Validate() error {
	var mErr *multierror.Error

	mErr = multierror.Append(mErr, ValidateNodePoolName(n.Name))

	if len(n.Description) > maxNodePoolDescriptionLength {
		mErr = multierror.Append(mErr, fmt.Errorf("description longer than %d", maxNodePoolDescriptionLength))
	}

	mErr = multierror.Append(mErr, n.SchedulerConfiguration.Validate())

	return mErr.ErrorOrNil()
}

// Canonicalize is used to set default values for the node pool. This currently
// only sets the default TTL for node identities if it is not set.
func (n *NodePool) Canonicalize() {
	if n == nil {
		return
	}

	if n.NodeIdentityTTL == 0 {
		n.NodeIdentityTTL = DefaultNodePoolNodeIdentityTTL
	}
}

View on GitHub (pinned to 482b49bf1a)

Solutions

  1. Shorten the description to 256 characters or fewer
Defensive patterns

Strategy: validation

When it happens

Trigger: Thrown at nomad/structs/node_pool.go:91 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/2234cf363b535be1. Report an issue: GitHub.