temporalio/temporal · error

invalid TaskQueue on StartChildWorkflowExecutionCommand: %w.

Error message

invalid TaskQueue on StartChildWorkflowExecutionCommand: %w. WorkflowId=%s WorkflowType=%s Namespace=%s TaskQueue=%s

What it means

Error "invalid TaskQueue on StartChildWorkflowExecutionCommand: %w. WorkflowId=%s WorkflowType=%s Namespace=%s TaskQueue=%s" thrown in temporalio/temporal.

Source

Thrown at service/history/api/command_attr_validator.go:545

	}

	if err := v.searchAttributesValidator.Validate(attributes.GetSearchAttributes(), targetNamespace.String()); err != nil {
		return enumspb.WORKFLOW_TASK_FAILED_CAUSE_BAD_SEARCH_ATTRIBUTES, fmt.Errorf("invalid SearchAttributes on StartChildWorkflowCommand: %w. WorkflowId=%s WorkflowType=%s Namespace=%s", err, wfID, wfType, ns)
	}

	if err := priorities.Validate(attributes.Priority); err != nil {
		return failedCause, err
	}

	// Inherit taskqueue from parent workflow execution if not provided on command
	if attributes.TaskQueue == nil {
		attributes.TaskQueue = &taskqueuepb.TaskQueue{
			Kind: enumspb.TASK_QUEUE_KIND_NORMAL,
		}
	}
	if err := tqid.NormalizeAndValidateUserDefined(
		attributes.TaskQueue, parentInfo.TaskQueue, parentInfo.TaskQueue, v.maxIDLengthLimit); err != nil {
		return failedCause, fmt.Errorf("invalid TaskQueue on StartChildWorkflowExecutionCommand: %w. WorkflowId=%s WorkflowType=%s Namespace=%s TaskQueue=%s", err, wfID, wfType, ns, attributes.TaskQueue)
	}

	// workflow execution timeout is left as is
	//  if workflow execution timeout == 0 -> infinity

	attributes.WorkflowRunTimeout = durationpb.New(overrideWorkflowRunTimeout(attributes.GetWorkflowRunTimeout().AsDuration(), attributes.GetWorkflowExecutionTimeout().AsDuration()))

	attributes.WorkflowTaskTimeout = durationpb.New(overrideWorkflowTaskTimeout(targetNamespace, attributes.GetWorkflowTaskTimeout().AsDuration(), attributes.GetWorkflowRunTimeout().AsDuration(), defaultWorkflowTaskTimeoutFn))

	return enumspb.WORKFLOW_TASK_FAILED_CAUSE_UNSPECIFIED, nil
}

func (v *CommandAttrValidator) validateActivityRetryPolicy(
	namespaceName namespace.Name,
	retryPolicy *commonpb.RetryPolicy,
) error {
	if retryPolicy == nil {
		return nil

View on GitHub (pinned to bde624efd1)

When it happens

Trigger: Thrown at service/history/api/command_attr_validator.go:545 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of temporalio/temporal@bde624efd1 (2026-09-01). Data as JSON: /api/errors/ce679664b0856e3e. Report an issue: GitHub.