hashicorp/nomad · error

alloc insert failed: %v

Error message

alloc insert failed: %v

What it means

Inserting the updated allocation into the memdb allocs table failed; the wrapped txn.Insert error aborts the allocation upsert inside the state store.

Source

Thrown at nomad/state/state_store.go:4171

	if err := s.updateSummaryWithAlloc(index, copyAlloc, exist, txn); err != nil {
		return nil, fmt.Errorf("error updating job summary: %v", err)
	}

	if err := s.updateEntWithAlloc(index, copyAlloc, exist, txn); err != nil {
		return nil, fmt.Errorf("error updating enterprise features: %v", err)
	}

	if err := s.updatePluginForTerminalAlloc(index, copyAlloc, txn); err != nil {
		return nil, fmt.Errorf("error updating plugin for terminal alloc: %v", err)
	}

	if err := s.cancelFollowupEvalsForReconnect(txn, index, copyAlloc, alloc); err != nil {
		return nil, err
	}

	// Update the allocation
	if err := txn.Insert("allocs", copyAlloc); err != nil {
		return nil, fmt.Errorf("alloc insert failed: %v", err)
	}

	if err := s.deregisterServicesForTerminalAllocs(txn, index, copyAlloc); err != nil {
		return nil, fmt.Errorf("error deregistering services for terminal allocs: %v", err)
	}

	return copyAlloc, nil
}

// cancelFollowupEvalsForReconnect cancels any follow-up evals for an allocation
// that was awaiting reconnect and gets an update from the client that its
// status is now known
func (s *StateStore) cancelFollowupEvalsForReconnect(txn *txn, index uint64, copyAlloc, alloc *structs.Allocation) error {

	evalID, ok := copyAlloc.FollowupEvalForReconnect(alloc)
	if !ok {
		return nil
	}

View on GitHub (pinned to 482b49bf1a)

Solutions

1. Retry the allocation update
2. Check server logs for memdb write errors
3. Verify server/Raft health if inserts keep failing

When it happens

Trigger: Thrown at nomad/state/state_store.go:4171 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/d5f89e212839055a. Report an issue: GitHub.