temporalio/temporal · error

unknown workflow state sync result: %d

Error message

unknown workflow state sync result: %d

What it means

Error "unknown workflow state sync result: %d" thrown in temporalio/temporal.

Source

Thrown at service/history/api/verifychildworkflowcompletionrecorded/api.go:303

	)
	if err != nil {
		emitResult(wideevents.ParentChildOutcomeFailed, err, "sync_workflow_state")
		return err
	}
	switch result {
	case workflowresend.SyncWorkflowStateResultSourceNotFound:
		// TODO: add parent workflow to workflowNotFoundCache
		emitResult(
			wideevents.ParentChildOutcomeSourceNotFound,
			serviceerror.NewNotFound("parent workflow not found on source cluster"),
			"sync_workflow_state",
		)
		return nil
	case workflowresend.SyncWorkflowStateResultSkipped:
		return errVerify
	case workflowresend.SyncWorkflowStateResultApplied:
	default:
		return fmt.Errorf("unknown workflow state sync result: %d", result)
	}

	_, _, observedParentWorkflowState, err := verifyChildExecution(ctx, workflowConsistencyChecker, request)
	if observedParentWorkflowState != "" {
		parentWorkflowState = observedParentWorkflowState
	}
	if err != nil {
		emitResult(wideevents.ParentChildOutcomeFailed, err, "verify_after_resend")
		return err
	}
	emitResult(wideevents.ParentChildOutcomeSucceeded, nil, "")
	return nil
}

func parentResendEventDetails(initialError error) map[string]any {
	return map[string]any{
		"initial_error_type": util.ErrorType(initialError),
	}

View on GitHub (pinned to bde624efd1)

When it happens

Trigger: Thrown at service/history/api/verifychildworkflowcompletionrecorded/api.go:303 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/2d82c0e39d6421bf. Report an issue: GitHub.