feat: Do not show errors not processed by n8n (no-changelog) (#9598)

Co-authored-by: कारतोफ्फेलस्क्रिप्ट™ <aditya@netroy.in>

packages/core/src/NodeExecuteFunctions.ts

@@ -121,6 +121,7 @@ import {
 	jsonParse,
 	ApplicationError,
 	sleep,
+	OBFUSCATED_ERROR_MESSAGE,
 } from 'n8n-workflow';
 import type { Token } from 'oauth-1.0a';
 import clientOAuth1 from 'oauth-1.0a';
@@ -3583,7 +3584,13 @@ export function getExecuteFunctions(
 					itemIndex,
 				),
 			getExecuteData: () => executeData,
-			continueOnFail: () => continueOnFail(node),
+			continueOnFail: (error?: Error) => {
+				const shouldContinue = continueOnFail(node);
+				if (error && shouldContinue && !(error instanceof ApplicationError)) {
+					error.message = OBFUSCATED_ERROR_MESSAGE;
+				}
+				return shouldContinue;
+			},
 			evaluateExpression: (expression: string, itemIndex: number) => {
 				return workflow.expression.resolveSimpleParameterValue(
 					`=${expression}`,

packages/core/src/WorkflowExecute.ts

@@ -44,6 +44,7 @@ import {
 	ApplicationError,
 	NodeExecutionOutput,
 	sleep,
+	OBFUSCATED_ERROR_MESSAGE,
 } from 'n8n-workflow';
 import get from 'lodash/get';
 import * as NodeExecuteFunctions from './NodeExecuteFunctions';
@@ -1304,13 +1305,12 @@ export class WorkflowExecute {
 						} catch (error) {
 							this.runExecutionData.resultData.lastNodeExecuted = executionData.node.name;
 
+							const message =
+								error instanceof ApplicationError ? error.message : OBFUSCATED_ERROR_MESSAGE;
+
 							const e = error as unknown as ExecutionBaseError;
 
-							executionError = {
-								...e,
-								message: e.message,
-								stack: e.stack,
-							};
+							executionError = { ...e, message, stack: e.stack };
 
 							Logger.debug(`Running node "${executionNode.name}" finished with error`, {
 								node: executionNode.name,