fix(core): Resolves response promise for active execution on job finished in queue mode (#15643)

Co-authored-by: Jaakko Husso <jaakko@n8n.io>

packages/cli/src/scaling/scaling.service.ts

@@ -305,6 +305,7 @@ export class ScalingService {
 					this.activeExecutions.resolveResponsePromise(msg.executionId, decodedResponse);
 					break;
 				case 'job-finished':
+					this.activeExecutions.resolveResponsePromise(msg.executionId, {});
 					this.logger.info(`Execution ${msg.executionId} (job ${jobId}) finished successfully`, {
 						workerId: msg.workerId,
 						executionId: msg.executionId,

packages/cli/src/webhooks/__tests__/webhook-helpers.test.ts

@@ -65,6 +65,24 @@ describe('autoDetectResponseMode', () => {
 		expect(result).toBe('responseNode');
 	});
 
+	test('should return formPage when start node is FORM_NODE_TYPE and method is POST and there is a following FORM_NODE_TYPE node', () => {
+		const workflowStartNode = mock<INode>({
+			type: FORM_NODE_TYPE,
+			name: 'startNode',
+			parameters: {},
+		});
+		workflow.getChildNodes.mockReturnValue(['childNode']);
+		workflow.nodes.childNode = mock<INode>({
+			type: FORM_NODE_TYPE,
+			parameters: {
+				operation: 'completion',
+			},
+			disabled: false,
+		});
+		const result = autoDetectResponseMode(workflowStartNode, workflow, 'POST');
+		expect(result).toBe('formPage');
+	});
+
 	test('should return undefined when start node is FORM_NODE_TYPE with no other form child nodes', () => {
 		const workflowStartNode = mock<INode>({
 			type: FORM_NODE_TYPE,

packages/cli/src/webhooks/webhook-helpers.ts

@@ -105,6 +105,7 @@ export function getWorkflowWebhooks(
 	return returnData;
 }
 
+// eslint-disable-next-line complexity
 export function autoDetectResponseMode(
 	workflowStartNode: INode,
 	workflow: Workflow,
@@ -126,6 +127,21 @@ export function autoDetectResponseMode(
 		}
 	}
 
+	// If there are form nodes connected to a current form node we're dealing with a multipage form
+	// and we need to return the formPage response mode when a second page of the form gets submitted
+	// to be able to show potential form errors correctly.
+	if (workflowStartNode.type === FORM_NODE_TYPE && method === 'POST') {
+		const connectedNodes = workflow.getChildNodes(workflowStartNode.name);
+
+		for (const nodeName of connectedNodes) {
+			const node = workflow.nodes[nodeName];
+
+			if (node.type === FORM_NODE_TYPE && !node.disabled) {
+				return 'formPage';
+			}
+		}
+	}
+
 	if (workflowStartNode.type === WAIT_NODE_TYPE && workflowStartNode.parameters.resume !== 'form') {
 		return undefined;
 	}

packages/cli/templates/form-trigger.handlebars

@@ -857,9 +857,7 @@
 					document.querySelector('#submit-btn span').style.display = 'inline-block';
 
 					let postUrl = '';
-					if (window.location.href.includes('form-waiting')) {
-						intervalId = setTimeout(checkExecutionStatus, interval);
-					} else {
+					if (!window.location.href.includes('form-waiting')) {
 						postUrl = window.location.search;
 					}
 
@@ -880,7 +878,8 @@
 
 								if(json?.formWaitingUrl) {
 									formWaitingUrl = json.formWaitingUrl;
-									intervalId = setTimeout(checkExecutionStatus, interval);
+									clearTimeout(timeoutId);
+									timeoutId = setTimeout(checkExecutionStatus, interval);
 									return;
 								}
 
@@ -934,6 +933,12 @@
 						})
 						.catch(function (error) {
 							console.error('Error:', error);
+						})
+						.finally(() => {
+							if (window.location.href.includes('form-waiting')) {
+								clearTimeout(timeoutId);
+								timeoutId = setTimeout(checkExecutionStatus, interval);
+							}
 						});
 				}
 			});