refactor: Improve error logging/reporting for cli (#4691)

* use response error classes instead of `ResponseError` everywhere

* improve error logging in dev mode or when telemetry is disabled

packages/cli/package.json

@@ -161,6 +161,7 @@
     "passport": "^0.6.0",
     "passport-cookie": "^1.0.9",
     "passport-jwt": "^4.0.0",
+    "picocolors": "^1.0.0",
     "pg": "^8.3.0",
     "posthog-node": "^1.3.0",
     "prom-client": "^13.1.0",

packages/cli/src/ActiveWorkflowRunner.ts

@@ -191,10 +191,8 @@ export class ActiveWorkflowRunner {
 	): Promise<IResponseCallbackData> {
 		Logger.debug(`Received webhook "${httpMethod}" for path "${path}"`);
 		if (this.activeWorkflows === null) {
-			throw new ResponseHelper.ResponseError(
+			throw new ResponseHelper.NotFoundError(
 				'The "activeWorkflows" instance did not get initialized yet.',
-				404,
-				404,
 			);
 		}
 
@@ -224,10 +222,8 @@ export class ActiveWorkflowRunner {
 			});
 			if (dynamicWebhooks === undefined || dynamicWebhooks.length === 0) {
 				// The requested webhook is not registered
-				throw new ResponseHelper.ResponseError(
+				throw new ResponseHelper.NotFoundError(
 					`The requested webhook "${httpMethod} ${path}" is not registered.`,
-					404,
-					404,
 					WEBHOOK_PROD_UNREGISTERED_HINT,
 				);
 			}
@@ -252,10 +248,8 @@ export class ActiveWorkflowRunner {
 				}
 			});
 			if (webhook === undefined) {
-				throw new ResponseHelper.ResponseError(
+				throw new ResponseHelper.NotFoundError(
 					`The requested webhook "${httpMethod} ${path}" is not registered.`,
-					404,
-					404,
 					WEBHOOK_PROD_UNREGISTERED_HINT,
 				);
 			}
@@ -277,10 +271,8 @@ export class ActiveWorkflowRunner {
 			relations: ['shared', 'shared.user', 'shared.user.globalRole'],
 		});
 		if (workflowData === undefined) {
-			throw new ResponseHelper.ResponseError(
+			throw new ResponseHelper.NotFoundError(
 				`Could not find workflow with id "${webhook.workflowId}"`,
-				404,
-				404,
 			);
 		}
 
@@ -313,7 +305,7 @@ export class ActiveWorkflowRunner {
 		const workflowStartNode = workflow.getNode(webhookData.node);
 
 		if (workflowStartNode === null) {
-			throw new ResponseHelper.ResponseError('Could not find node to process webhook.', 404, 404);
+			throw new ResponseHelper.NotFoundError('Could not find node to process webhook.');
 		}
 
 		return new Promise((resolve, reject) => {

packages/cli/src/GenericHelpers.ts

@@ -212,7 +212,7 @@ export async function validateEntity(
 		.join(' | ');
 
 	if (errorMessages) {
-		throw new ResponseHelper.ResponseError(errorMessages, undefined, 400);
+		throw new ResponseHelper.BadRequestError(errorMessages);
 	}
 }
 

packages/cli/src/ResponseHelper.ts

@@ -5,7 +5,8 @@
 /* eslint-disable @typescript-eslint/explicit-module-boundary-types */
 import { Request, Response } from 'express';
 import { parse, stringify } from 'flatted';
-import { ErrorReporterProxy as ErrorReporter } from 'n8n-workflow';
+import picocolors from 'picocolors';
+import { ErrorReporterProxy as ErrorReporter, NodeApiError } from 'n8n-workflow';
 
 import type {
 	IExecutionDb,
@@ -15,44 +16,69 @@ import type {
 	IWorkflowDb,
 } from './Interfaces';
 
+const inDevelopment = !process.env.NODE_ENV || process.env.NODE_ENV === 'development';
+
 /**
  * Special Error which allows to return also an error code and http status code
- *
- * @class ResponseError
- * @extends {Error}
  */
-export class ResponseError extends Error {
+abstract class ResponseError extends Error {
-	// The HTTP status code of  response
-	httpStatusCode?: number;
-
-	// The error code in the response
-	errorCode?: number;
-
-	// The error hint the response
-	hint?: string;
-
 	/**
 	 * Creates an instance of ResponseError.
 	 * Must be used inside a block with `ResponseHelper.send()`.
-	 *
-	 * @param {string} message The error message
-	 * @param {number} [errorCode] The error code which can be used by frontend to identify the actual error
-	 * @param {number} [httpStatusCode] The HTTP status code the response should have
-	 * @param {string} [hint] The error hint to provide a context (webhook related)
 	 */
-	constructor(message: string, errorCode?: number, httpStatusCode?: number, hint?: string) {
+	constructor(
+		message: string,
+		// The HTTP status code of  response
+		readonly httpStatusCode: number,
+		// The error code in the response
+		readonly errorCode: number = httpStatusCode,
+		// The error hint the response
+		readonly hint: string | undefined = undefined,
+	) {
 		super(message);
 		this.name = 'ResponseError';
+	}
+}
 
-		if (errorCode) {
+export class BadRequestError extends ResponseError {
-			this.errorCode = errorCode;
+	constructor(message: string) {
-		}
+		super(message, 400);
-		if (httpStatusCode) {
+	}
-			this.httpStatusCode = httpStatusCode;
+}
-		}
+
-		if (hint) {
+export class AuthError extends ResponseError {
-			this.hint = hint;
+	constructor(message: string) {
-		}
+		super(message, 401);
+	}
+}
+
+export class UnauthorizedError extends ResponseError {
+	constructor(message: string, hint: string | undefined = undefined) {
+		super(message, 403, 403, hint);
+	}
+}
+
+export class NotFoundError extends ResponseError {
+	constructor(message: string, hint: string | undefined = undefined) {
+		super(message, 404, 404, hint);
+	}
+}
+
+export class ConflictError extends ResponseError {
+	constructor(message: string, hint: string | undefined = undefined) {
+		super(message, 409, 409, hint);
+	}
+}
+
+export class InternalServerError extends ResponseError {
+	constructor(message: string, errorCode = 500) {
+		super(message, 500, errorCode);
+	}
+}
+
+export class ServiceUnavailableError extends ResponseError {
+	constructor(message: string, errorCode = 503) {
+		super(message, 503, errorCode);
 	}
 }
 
@@ -95,40 +121,49 @@ export function sendSuccessResponse(
 	}
 }
 
-export function sendErrorResponse(res: Response, error: ResponseError) {
+interface ErrorResponse {
+	code: number;
+	message: string;
+	hint?: string;
+	stacktrace?: string;
+}
+
+export function sendErrorResponse(res: Response, error: Error) {
 	let httpStatusCode = 500;
-	if (error.httpStatusCode) {
-		httpStatusCode = error.httpStatusCode;
-	}
 
-	if (!process.env.NODE_ENV || process.env.NODE_ENV === 'development') {
+	const response: ErrorResponse = {
-		console.error('ERROR RESPONSE');
-		console.error(error);
-	}
-
-	const response = {
 		code: 0,
 		message: 'Unknown error',
-		hint: '',
 	};
 
-	if (error.name === 'NodeApiError') {
+	if (error instanceof ResponseError) {
+		if (inDevelopment) {
+			console.error(picocolors.red(error.httpStatusCode), error.message);
+		}
+
+		response.message = error.message;
+		httpStatusCode = error.httpStatusCode;
+
+		if (error.errorCode) {
+			response.code = error.errorCode;
+		}
+		if (error.hint) {
+			response.hint = error.hint;
+		}
+	}
+
+	if (error instanceof NodeApiError) {
+		if (inDevelopment) {
+			console.error(picocolors.red(error.name), error.message);
+		}
+
 		Object.assign(response, error);
 	}
 
-	if (error.errorCode) {
+	if (error.stack && inDevelopment) {
-		response.code = error.errorCode;
+		response.stacktrace = error.stack;
-	}
-	if (error.message) {
-		response.message = error.message;
-	}
-	if (error.hint) {
-		response.hint = error.hint;
-	}
-	if (error.stack && process.env.NODE_ENV !== 'production') {
-		// @ts-ignore
-		response.stack = error.stack;
 	}
+
 	res.status(httpStatusCode).json(response);
 }
 
@@ -154,7 +189,9 @@ export function send<T, R extends Request, S extends Response>(
 			sendSuccessResponse(res, data, raw);
 		} catch (error) {
 			if (error instanceof Error) {
-				ErrorReporter.error(error);
+				if (!(error instanceof ResponseError) || error.httpStatusCode > 404) {
+					ErrorReporter.error(error);
+				}
 
 				if (isUniqueConstraintError(error)) {
 					error.message = 'There is already an entry with this name';

packages/cli/src/Server.ts

@@ -157,7 +157,6 @@ import { WaitTracker, WaitTrackerClass } from '@/WaitTracker';
 import * as WebhookHelpers from '@/WebhookHelpers';
 import * as WebhookServer from '@/WebhookServer';
 import * as WorkflowExecuteAdditionalData from '@/WorkflowExecuteAdditionalData';
-import { ResponseError } from '@/ResponseHelper';
 import { toHttpNodeParameters } from '@/CurlConverterHelper';
 import { setupErrorMiddleware } from '@/ErrorReporting';
 import { getLicense } from '@/License';
@@ -725,7 +724,7 @@ class App {
 		// eslint-disable-next-line consistent-return
 		this.app.use((req: express.Request, res: express.Response, next: express.NextFunction) => {
 			if (!Db.isInitialized) {
-				const error = new ResponseHelper.ResponseError('Database is not ready!', undefined, 503);
+				const error = new ResponseHelper.ServiceUnavailableError('Database is not ready!');
 				return ResponseHelper.sendErrorResponse(res, error);
 			}
 
@@ -766,7 +765,7 @@ class App {
 			} catch (err) {
 				ErrorReporter.error(err);
 				LoggerProxy.error('No Database connection!', err);
-				const error = new ResponseHelper.ResponseError('No Database connection!', undefined, 503);
+				const error = new ResponseHelper.ServiceUnavailableError('No Database connection!');
 				return ResponseHelper.sendErrorResponse(res, error);
 			}
 
@@ -869,7 +868,9 @@ class App {
 					const { path, methodName } = req.query;
 
 					if (!req.query.currentNodeParameters) {
-						throw new ResponseError('Parameter currentNodeParameters is required.', undefined, 400);
+						throw new ResponseHelper.BadRequestError(
+							'Parameter currentNodeParameters is required.',
+						);
 					}
 
 					const currentNodeParameters = jsonParse(
@@ -904,7 +905,7 @@ class App {
 						);
 					}
 
-					throw new ResponseError('Parameter methodName is required.', undefined, 400);
+					throw new ResponseHelper.BadRequestError('Parameter methodName is required.');
 				},
 			),
 		);
@@ -1076,10 +1077,8 @@ class App {
 						userId: req.user.id,
 					});
 
-					throw new ResponseHelper.ResponseError(
+					throw new ResponseHelper.BadRequestError(
 						`Workflow with ID "${workflowId}" could not be found.`,
-						undefined,
-						400,
 					);
 				}
 
@@ -1103,7 +1102,7 @@ class App {
 						const parameters = toHttpNodeParameters(curlCommand);
 						return ResponseHelper.flattenObject(parameters, 'parameters');
 					} catch (e) {
-						throw new ResponseHelper.ResponseError(`Invalid cURL command`, undefined, 400);
+						throw new ResponseHelper.BadRequestError(`Invalid cURL command`);
 					}
 				},
 			),
@@ -1178,11 +1177,7 @@ class App {
 
 				if (!credentialId) {
 					LoggerProxy.error('OAuth1 credential authorization failed due to missing credential ID');
-					throw new ResponseHelper.ResponseError(
+					throw new ResponseHelper.BadRequestError('Required credential ID is missing');
-						'Required credential ID is missing',
-						undefined,
-						400,
-					);
 				}
 
 				const credential = await getCredentialForUser(credentialId, req.user);
@@ -1192,18 +1187,14 @@ class App {
 						'OAuth1 credential authorization failed because the current user does not have the correct permissions',
 						{ userId: req.user.id },
 					);
-					throw new ResponseHelper.ResponseError(
+					throw new ResponseHelper.NotFoundError(RESPONSE_ERROR_MESSAGES.NO_CREDENTIAL);
-						RESPONSE_ERROR_MESSAGES.NO_CREDENTIAL,
-						undefined,
-						404,
-					);
 				}
 
 				let encryptionKey: string;
 				try {
 					encryptionKey = await UserSettings.getEncryptionKey();
 				} catch (error) {
-					throw new ResponseHelper.ResponseError(error.message, undefined, 500);
+					throw new ResponseHelper.InternalServerError(error.message);
 				}
 
 				const mode: WorkflowExecuteMode = 'internal';
@@ -1304,12 +1295,10 @@ class App {
 					const { oauth_verifier, oauth_token, cid: credentialId } = req.query;
 
 					if (!oauth_verifier || !oauth_token) {
-						const errorResponse = new ResponseHelper.ResponseError(
+						const errorResponse = new ResponseHelper.ServiceUnavailableError(
 							`Insufficient parameters for OAuth1 callback. Received following query parameters: ${JSON.stringify(
 								req.query,
 							)}`,
-							undefined,
-							503,
 						);
 						LoggerProxy.error(
 							'OAuth1 callback failed because of insufficient parameters received',
@@ -1328,10 +1317,8 @@ class App {
 							userId: req.user?.id,
 							credentialId,
 						});
-						const errorResponse = new ResponseHelper.ResponseError(
+						const errorResponse = new ResponseHelper.NotFoundError(
 							RESPONSE_ERROR_MESSAGES.NO_CREDENTIAL,
-							undefined,
-							404,
 						);
 						return ResponseHelper.sendErrorResponse(res, errorResponse);
 					}
@@ -1340,7 +1327,7 @@ class App {
 					try {
 						encryptionKey = await UserSettings.getEncryptionKey();
 					} catch (error) {
-						throw new ResponseHelper.ResponseError(error.message, undefined, 500);
+						throw new ResponseHelper.InternalServerError(error.message);
 					}
 
 					const mode: WorkflowExecuteMode = 'internal';
@@ -1378,11 +1365,7 @@ class App {
 							userId: req.user?.id,
 							credentialId,
 						});
-						const errorResponse = new ResponseHelper.ResponseError(
+						const errorResponse = new ResponseHelper.NotFoundError('Unable to get access tokens!');
-							'Unable to get access tokens!',
-							undefined,
-							404,
-						);
 						return ResponseHelper.sendErrorResponse(res, errorResponse);
 					}
 
@@ -1539,7 +1522,7 @@ class App {
 				const sharedWorkflowIds = await getSharedWorkflowIds(req.user);
 
 				if (!sharedWorkflowIds.length) {
-					throw new ResponseHelper.ResponseError('Execution not found', undefined, 404);
+					throw new ResponseHelper.NotFoundError('Execution not found');
 				}
 
 				const execution = await Db.collections.Execution.findOne({
@@ -1550,7 +1533,7 @@ class App {
 				});
 
 				if (!execution) {
-					throw new ResponseHelper.ResponseError('Execution not found', undefined, 404);
+					throw new ResponseHelper.NotFoundError('Execution not found');
 				}
 
 				if (config.getEnv('executions.mode') === 'queue') {

packages/cli/src/TestWebhooks.ts

@@ -67,10 +67,8 @@ export class TestWebhooks {
 			webhookData = this.activeWebhooks!.get(httpMethod, pathElements.join('/'), webhookId);
 			if (webhookData === undefined) {
 				// The requested webhook is not registered
-				throw new ResponseHelper.ResponseError(
+				throw new ResponseHelper.NotFoundError(
 					`The requested webhook "${httpMethod} ${path}" is not registered.`,
-					404,
-					404,
 					WEBHOOK_TEST_UNREGISTERED_HINT,
 				);
 			}
@@ -94,10 +92,8 @@ export class TestWebhooks {
 		// TODO: Clean that duplication up one day and improve code generally
 		if (this.testWebhookData[webhookKey] === undefined) {
 			// The requested webhook is not registered
-			throw new ResponseHelper.ResponseError(
+			throw new ResponseHelper.NotFoundError(
 				`The requested webhook "${httpMethod} ${path}" is not registered.`,
-				404,
-				404,
 				WEBHOOK_TEST_UNREGISTERED_HINT,
 			);
 		}
@@ -108,7 +104,7 @@ export class TestWebhooks {
 		// get additional data
 		const workflowStartNode = workflow.getNode(webhookData.node);
 		if (workflowStartNode === null) {
-			throw new ResponseHelper.ResponseError('Could not find node to process webhook.', 404, 404);
+			throw new ResponseHelper.NotFoundError('Could not find node to process webhook.');
 		}
 
 		// eslint-disable-next-line no-async-promise-executor
@@ -173,10 +169,8 @@ export class TestWebhooks {
 
 		if (webhookMethods === undefined) {
 			// The requested webhook is not registered
-			throw new ResponseHelper.ResponseError(
+			throw new ResponseHelper.NotFoundError(
 				`The requested webhook "${path}" is not registered.`,
-				404,
-				404,
 				WEBHOOK_TEST_UNREGISTERED_HINT,
 			);
 		}

packages/cli/src/UserManagement/UserManagementHelper.ts

@@ -90,7 +90,7 @@ export function getInstanceBaseUrl(): string {
 // TODO: Enforce at model level
 export function validatePassword(password?: string): string {
 	if (!password) {
-		throw new ResponseHelper.ResponseError('Password is mandatory', undefined, 400);
+		throw new ResponseHelper.BadRequestError('Password is mandatory');
 	}
 
 	const hasInvalidLength =
@@ -117,7 +117,7 @@ export function validatePassword(password?: string): string {
 			message.push('Password must contain at least 1 uppercase letter.');
 		}
 
-		throw new ResponseHelper.ResponseError(message.join(' '), undefined, 400);
+		throw new ResponseHelper.BadRequestError(message.join(' '));
 	}
 
 	return password;

packages/cli/src/UserManagement/routes/auth.ts

@@ -77,24 +77,20 @@ export function authenticationMethods(this: N8nApp): void {
 			}
 
 			if (config.get('userManagement.isInstanceOwnerSetUp')) {
-				throw new ResponseHelper.ResponseError('Not logged in', undefined, 401);
+				throw new ResponseHelper.AuthError('Not logged in');
 			}
 
 			try {
 				user = await Db.collections.User.findOneOrFail({ relations: ['globalRole'] });
 			} catch (error) {
-				throw new ResponseHelper.ResponseError(
+				throw new ResponseHelper.InternalServerError(
 					'No users found in database - did you wipe the users table? Create at least one user.',
-					undefined,
-					500,
 				);
 			}
 
 			if (user.email || user.password) {
-				throw new ResponseHelper.ResponseError(
+				throw new ResponseHelper.InternalServerError(
 					'Invalid database state - user has password set.',
-					undefined,
-					500,
 				);
 			}
 

packages/cli/src/UserManagement/routes/me.ts

@@ -39,7 +39,7 @@ export function meNamespace(this: N8nApp): void {
 						userId: req.user.id,
 						payload: req.body,
 					});
-					throw new ResponseHelper.ResponseError('Email is mandatory', undefined, 400);
+					throw new ResponseHelper.BadRequestError('Email is mandatory');
 				}
 
 				if (!validator.isEmail(email)) {
@@ -47,7 +47,7 @@ export function meNamespace(this: N8nApp): void {
 						userId: req.user.id,
 						invalidEmail: email,
 					});
-					throw new ResponseHelper.ResponseError('Invalid email address', undefined, 400);
+					throw new ResponseHelper.BadRequestError('Invalid email address');
 				}
 
 				const { email: currentEmail } = req.user;
@@ -84,20 +84,16 @@ export function meNamespace(this: N8nApp): void {
 			const { currentPassword, newPassword } = req.body;
 
 			if (typeof currentPassword !== 'string' || typeof newPassword !== 'string') {
-				throw new ResponseHelper.ResponseError('Invalid payload.', undefined, 400);
+				throw new ResponseHelper.BadRequestError('Invalid payload.');
 			}
 
 			if (!req.user.password) {
-				throw new ResponseHelper.ResponseError('Requesting user not set up.');
+				throw new ResponseHelper.BadRequestError('Requesting user not set up.');
 			}
 
 			const isCurrentPwCorrect = await compareHash(currentPassword, req.user.password);
 			if (!isCurrentPwCorrect) {
-				throw new ResponseHelper.ResponseError(
+				throw new ResponseHelper.BadRequestError('Provided current password is incorrect.');
-					'Provided current password is incorrect.',
-					undefined,
-					400,
-				);
 			}
 
 			const validPassword = validatePassword(newPassword);
@@ -135,11 +131,7 @@ export function meNamespace(this: N8nApp): void {
 						userId: req.user.id,
 					},
 				);
-				throw new ResponseHelper.ResponseError(
+				throw new ResponseHelper.BadRequestError('Personalization answers are mandatory');
-					'Personalization answers are mandatory',
-					undefined,
-					400,
-				);
 			}
 
 			await Db.collections.User.save({

packages/cli/src/UserManagement/routes/owner.ts

@@ -31,7 +31,7 @@ export function ownerNamespace(this: N8nApp): void {
 						userId,
 					},
 				);
-				throw new ResponseHelper.ResponseError('Invalid request', undefined, 400);
+				throw new ResponseHelper.BadRequestError('Invalid request');
 			}
 
 			if (!email || !validator.isEmail(email)) {
@@ -39,7 +39,7 @@ export function ownerNamespace(this: N8nApp): void {
 					userId,
 					invalidEmail: email,
 				});
-				throw new ResponseHelper.ResponseError('Invalid email address', undefined, 400);
+				throw new ResponseHelper.BadRequestError('Invalid email address');
 			}
 
 			const validPassword = validatePassword(password);
@@ -49,11 +49,7 @@ export function ownerNamespace(this: N8nApp): void {
 					'Request to claim instance ownership failed because of missing first name or last name in payload',
 					{ userId, payload: req.body },
 				);
-				throw new ResponseHelper.ResponseError(
+				throw new ResponseHelper.BadRequestError('First and last names are mandatory');
-					'First and last names are mandatory',
-					undefined,
-					400,
-				);
 			}
 
 			let owner = await Db.collections.User.findOne(userId, {
@@ -67,7 +63,7 @@ export function ownerNamespace(this: N8nApp): void {
 						userId,
 					},
 				);
-				throw new ResponseHelper.ResponseError('Invalid request', undefined, 400);
+				throw new ResponseHelper.BadRequestError('Invalid request');
 			}
 
 			owner = Object.assign(owner, {

packages/cli/src/UserManagement/routes/passwordReset.ts

@@ -28,10 +28,8 @@ export function passwordResetNamespace(this: N8nApp): void {
 		ResponseHelper.send(async (req: PasswordResetRequest.Email) => {
 			if (config.getEnv('userManagement.emails.mode') === '') {
 				Logger.debug('Request to send password reset email failed because emailing was not set up');
-				throw new ResponseHelper.ResponseError(
+				throw new ResponseHelper.InternalServerError(
 					'Email sending must be set up in order to request a password reset email',
-					undefined,
-					500,
 				);
 			}
 
@@ -42,7 +40,7 @@ export function passwordResetNamespace(this: N8nApp): void {
 					'Request to send password reset email failed because of missing email in payload',
 					{ payload: req.body },
 				);
-				throw new ResponseHelper.ResponseError('Email is mandatory', undefined, 400);
+				throw new ResponseHelper.BadRequestError('Email is mandatory');
 			}
 
 			if (!validator.isEmail(email)) {
@@ -50,7 +48,7 @@ export function passwordResetNamespace(this: N8nApp): void {
 					'Request to send password reset email failed because of invalid email in payload',
 					{ invalidEmail: email },
 				);
-				throw new ResponseHelper.ResponseError('Invalid email address', undefined, 400);
+				throw new ResponseHelper.BadRequestError('Invalid email address');
 			}
 
 			// User should just be able to reset password if one is already present
@@ -93,10 +91,8 @@ export function passwordResetNamespace(this: N8nApp): void {
 					public_api: false,
 				});
 				if (error instanceof Error) {
-					throw new ResponseHelper.ResponseError(
+					throw new ResponseHelper.InternalServerError(
 						`Please contact your administrator: ${error.message}`,
-						undefined,
-						500,
 					);
 				}
 			}
@@ -131,7 +127,7 @@ export function passwordResetNamespace(this: N8nApp): void {
 						queryString: req.query,
 					},
 				);
-				throw new ResponseHelper.ResponseError('', undefined, 400);
+				throw new ResponseHelper.BadRequestError('');
 			}
 
 			// Timestamp is saved in seconds
@@ -151,7 +147,7 @@ export function passwordResetNamespace(this: N8nApp): void {
 						resetPasswordToken,
 					},
 				);
-				throw new ResponseHelper.ResponseError('', undefined, 404);
+				throw new ResponseHelper.NotFoundError('');
 			}
 
 			Logger.info('Reset-password token resolved successfully', { userId: id });
@@ -178,10 +174,8 @@ export function passwordResetNamespace(this: N8nApp): void {
 						payload: req.body,
 					},
 				);
-				throw new ResponseHelper.ResponseError(
+				throw new ResponseHelper.BadRequestError(
 					'Missing user ID or password or reset password token',
-					undefined,
-					400,
 				);
 			}
 
@@ -204,7 +198,7 @@ export function passwordResetNamespace(this: N8nApp): void {
 						resetPasswordToken,
 					},
 				);
-				throw new ResponseHelper.ResponseError('', undefined, 404);
+				throw new ResponseHelper.NotFoundError('');
 			}
 
 			await Db.collections.User.update(userId, {

packages/cli/src/UserManagement/routes/users.ts

@@ -37,10 +37,8 @@ export function usersNamespace(this: N8nApp): void {
 				Logger.debug(
 					'Request to send email invite(s) to user(s) failed because emailing was not set up',
 				);
-				throw new ResponseHelper.ResponseError(
+				throw new ResponseHelper.InternalServerError(
 					'Email sending must be set up in order to request a password reset email',
-					undefined,
-					500,
 				);
 			}
 
@@ -49,10 +47,8 @@ export function usersNamespace(this: N8nApp): void {
 				mailer = await UserManagementMailer.getInstance();
 			} catch (error) {
 				if (error instanceof Error) {
-					throw new ResponseHelper.ResponseError(
+					throw new ResponseHelper.InternalServerError(
 						`There is a problem with your SMTP setup! ${error.message}`,
-						undefined,
-						500,
 					);
 				}
 			}
@@ -62,17 +58,15 @@ export function usersNamespace(this: N8nApp): void {
 				Logger.debug(
 					'Request to send email invite(s) to user(s) failed because user management is disabled',
 				);
-				throw new ResponseHelper.ResponseError('User management is disabled');
+				throw new ResponseHelper.BadRequestError('User management is disabled');
 			}
 
 			if (!config.getEnv('userManagement.isInstanceOwnerSetUp')) {
 				Logger.debug(
 					'Request to send email invite(s) to user(s) failed because the owner account is not set up',
 				);
-				throw new ResponseHelper.ResponseError(
+				throw new ResponseHelper.BadRequestError(
 					'You must set up your own account before inviting others',
-					undefined,
-					400,
 				);
 			}
 
@@ -83,7 +77,7 @@ export function usersNamespace(this: N8nApp): void {
 						payload: req.body,
 					},
 				);
-				throw new ResponseHelper.ResponseError('Invalid payload', undefined, 400);
+				throw new ResponseHelper.BadRequestError('Invalid payload');
 			}
 
 			if (!req.body.length) return [];
@@ -92,19 +86,15 @@ export function usersNamespace(this: N8nApp): void {
 			// Validate payload
 			req.body.forEach((invite) => {
 				if (typeof invite !== 'object' || !invite.email) {
-					throw new ResponseHelper.ResponseError(
+					throw new ResponseHelper.BadRequestError(
 						'Request to send email invite(s) to user(s) failed because the payload is not an array shaped Array<{ email: string }>',
-						undefined,
-						400,
 					);
 				}
 
 				if (!validator.isEmail(invite.email)) {
 					Logger.debug('Invalid email in payload', { invalidEmail: invite.email });
-					throw new ResponseHelper.ResponseError(
+					throw new ResponseHelper.BadRequestError(
 						`Request to send email invite(s) to user(s) failed because of an invalid email address: ${invite.email}`,
-						undefined,
-						400,
 					);
 				}
 				createUsers[invite.email.toLowerCase()] = null;
@@ -116,10 +106,8 @@ export function usersNamespace(this: N8nApp): void {
 				Logger.error(
 					'Request to send email invite(s) to user(s) failed because no global member role was found in database',
 				);
-				throw new ResponseHelper.ResponseError(
+				throw new ResponseHelper.InternalServerError(
 					'Members role not found in database - inconsistent state',
-					undefined,
-					500,
 				);
 			}
 
@@ -163,7 +151,7 @@ export function usersNamespace(this: N8nApp): void {
 			} catch (error) {
 				ErrorReporter.error(error);
 				Logger.error('Failed to create user shells', { userShells: createUsers });
-				throw new ResponseHelper.ResponseError('An error occurred during user creation');
+				throw new ResponseHelper.InternalServerError('An error occurred during user creation');
 			}
 
 			Logger.info('Created user shell(s) successfully', { userId: req.user.id });
@@ -245,7 +233,7 @@ export function usersNamespace(this: N8nApp): void {
 					'Request to resolve signup token failed because of missing user IDs in query string',
 					{ inviterId, inviteeId },
 				);
-				throw new ResponseHelper.ResponseError('Invalid payload', undefined, 400);
+				throw new ResponseHelper.BadRequestError('Invalid payload');
 			}
 
 			// Postgres validates UUID format
@@ -254,7 +242,7 @@ export function usersNamespace(this: N8nApp): void {
 					Logger.debug('Request to resolve signup token failed because of invalid user ID', {
 						userId,
 					});
-					throw new ResponseHelper.ResponseError('Invalid userId', undefined, 400);
+					throw new ResponseHelper.BadRequestError('Invalid userId');
 				}
 			}
 
@@ -265,7 +253,7 @@ export function usersNamespace(this: N8nApp): void {
 					'Request to resolve signup token failed because the ID of the inviter and/or the ID of the invitee were not found in database',
 					{ inviterId, inviteeId },
 				);
-				throw new ResponseHelper.ResponseError('Invalid invite URL', undefined, 400);
+				throw new ResponseHelper.BadRequestError('Invalid invite URL');
 			}
 
 			const invitee = users.find((user) => user.id === inviteeId);
@@ -275,10 +263,8 @@ export function usersNamespace(this: N8nApp): void {
 					inviterId,
 					inviteeId,
 				});
-				throw new ResponseHelper.ResponseError(
+				throw new ResponseHelper.BadRequestError(
 					'The invitation was likely either deleted or already claimed',
-					undefined,
-					400,
 				);
 			}
 
@@ -291,7 +277,7 @@ export function usersNamespace(this: N8nApp): void {
 						inviterId: inviter?.id,
 					},
 				);
-				throw new ResponseHelper.ResponseError('Invalid request', undefined, 400);
+				throw new ResponseHelper.BadRequestError('Invalid request');
 			}
 
 			void InternalHooksManager.getInstance().onUserInviteEmailClick({
@@ -321,7 +307,7 @@ export function usersNamespace(this: N8nApp): void {
 					'Request to fill out a user shell failed because of missing properties in payload',
 					{ payload: req.body },
 				);
-				throw new ResponseHelper.ResponseError('Invalid payload', undefined, 400);
+				throw new ResponseHelper.BadRequestError('Invalid payload');
 			}
 
 			const validPassword = validatePassword(password);
@@ -339,7 +325,7 @@ export function usersNamespace(this: N8nApp): void {
 						inviteeId,
 					},
 				);
-				throw new ResponseHelper.ResponseError('Invalid payload or URL', undefined, 400);
+				throw new ResponseHelper.BadRequestError('Invalid payload or URL');
 			}
 
 			const invitee = users.find((user) => user.id === inviteeId) as User;
@@ -349,11 +335,7 @@ export function usersNamespace(this: N8nApp): void {
 					'Request to fill out a user shell failed because the invite had already been accepted',
 					{ inviteeId },
 				);
-				throw new ResponseHelper.ResponseError(
+				throw new ResponseHelper.BadRequestError('This invite has been accepted already');
-					'This invite has been accepted already',
-					undefined,
-					400,
-				);
 			}
 
 			invitee.firstName = firstName;
@@ -398,16 +380,14 @@ export function usersNamespace(this: N8nApp): void {
 					'Request to delete a user failed because it attempted to delete the requesting user',
 					{ userId: req.user.id },
 				);
-				throw new ResponseHelper.ResponseError('Cannot delete your own user', undefined, 400);
+				throw new ResponseHelper.BadRequestError('Cannot delete your own user');
 			}
 
 			const { transferId } = req.query;
 
 			if (transferId === idToDelete) {
-				throw new ResponseHelper.ResponseError(
+				throw new ResponseHelper.BadRequestError(
 					'Request to delete a user failed because the user to delete and the transferee are the same user',
-					undefined,
-					400,
 				);
 			}
 
@@ -416,10 +396,8 @@ export function usersNamespace(this: N8nApp): void {
 			});
 
 			if (!users.length || (transferId && users.length !== 2)) {
-				throw new ResponseHelper.ResponseError(
+				throw new ResponseHelper.NotFoundError(
 					'Request to delete a user failed because the ID of the user to delete and/or the ID of the transferee were not found in DB',
-					undefined,
-					404,
 				);
 			}
 
@@ -502,10 +480,8 @@ export function usersNamespace(this: N8nApp): void {
 
 			if (!isEmailSetUp()) {
 				Logger.error('Request to reinvite a user failed because email sending was not set up');
-				throw new ResponseHelper.ResponseError(
+				throw new ResponseHelper.InternalServerError(
 					'Email sending must be set up in order to invite other users',
-					undefined,
-					500,
 				);
 			}
 
@@ -515,7 +491,7 @@ export function usersNamespace(this: N8nApp): void {
 				Logger.debug(
 					'Request to reinvite a user failed because the ID of the reinvitee was not found in database',
 				);
-				throw new ResponseHelper.ResponseError('Could not find user', undefined, 404);
+				throw new ResponseHelper.NotFoundError('Could not find user');
 			}
 
 			if (reinvitee.password) {
@@ -523,11 +499,7 @@ export function usersNamespace(this: N8nApp): void {
 					'Request to reinvite a user failed because the invite had already been accepted',
 					{ userId: reinvitee.id },
 				);
-				throw new ResponseHelper.ResponseError(
+				throw new ResponseHelper.BadRequestError('User has already accepted the invite');
-					'User has already accepted the invite',
-					undefined,
-					400,
-				);
 			}
 
 			const baseUrl = getInstanceBaseUrl();
@@ -538,7 +510,7 @@ export function usersNamespace(this: N8nApp): void {
 				mailer = await UserManagementMailer.getInstance();
 			} catch (error) {
 				if (error instanceof Error) {
-					throw new ResponseHelper.ResponseError(error.message, undefined, 500);
+					throw new ResponseHelper.InternalServerError(error.message);
 				}
 			}
 
@@ -559,11 +531,7 @@ export function usersNamespace(this: N8nApp): void {
 					inviteAcceptUrl,
 					domain: baseUrl,
 				});
-				throw new ResponseHelper.ResponseError(
+				throw new ResponseHelper.InternalServerError(`Failed to send email to ${reinvitee.email}`);
-					`Failed to send email to ${reinvitee.email}`,
-					undefined,
-					500,
-				);
 			}
 
 			void InternalHooksManager.getInstance().onUserReinvite({

packages/cli/src/WaitingWebhooks.ts

@@ -44,21 +44,13 @@ export class WaitingWebhooks {
 		const execution = await Db.collections.Execution.findOne(executionId);
 
 		if (execution === undefined) {
-			throw new ResponseHelper.ResponseError(
+			throw new ResponseHelper.NotFoundError(`The execution "${executionId} does not exist.`);
-				`The execution "${executionId} does not exist.`,
-				404,
-				404,
-			);
 		}
 
 		const fullExecutionData = ResponseHelper.unflattenExecutionData(execution);
 
 		if (fullExecutionData.finished || fullExecutionData.data.resultData.error) {
-			throw new ResponseHelper.ResponseError(
+			throw new ResponseHelper.ConflictError(`The execution "${executionId} has finished already.`);
-				`The execution "${executionId} has finished already.`,
-				409,
-				409,
-			);
 		}
 
 		return this.startExecution(httpMethod, path, fullExecutionData, req, res);
@@ -107,7 +99,7 @@ export class WaitingWebhooks {
 		try {
 			workflowOwner = await getWorkflowOwner(workflowData.id!.toString());
 		} catch (error) {
-			throw new ResponseHelper.ResponseError('Could not find workflow', undefined, 404);
+			throw new ResponseHelper.NotFoundError('Could not find workflow');
 		}
 
 		const additionalData = await WorkflowExecuteAdditionalData.getBase(workflowOwner.id);
@@ -128,13 +120,13 @@ export class WaitingWebhooks {
 			// If no data got found it means that the execution can not be started via a webhook.
 			// Return 404 because we do not want to give any data if the execution exists or not.
 			const errorMessage = `The execution "${executionId}" with webhook suffix path "${path}" is not known.`;
-			throw new ResponseHelper.ResponseError(errorMessage, 404, 404);
+			throw new ResponseHelper.NotFoundError(errorMessage);
 		}
 
 		const workflowStartNode = workflow.getNode(lastNodeExecuted);
 
 		if (workflowStartNode === null) {
-			throw new ResponseHelper.ResponseError('Could not find node to process webhook.', 404, 404);
+			throw new ResponseHelper.NotFoundError('Could not find node to process webhook.');
 		}
 
 		const runExecutionData = fullExecutionData.data;

packages/cli/src/WebhookHelpers.ts

@@ -152,7 +152,7 @@ export async function executeWebhook(
 	if (nodeType === undefined) {
 		const errorMessage = `The type of the webhook node "${workflowStartNode.name}" is not known`;
 		responseCallback(new Error(errorMessage), {});
-		throw new ResponseHelper.ResponseError(errorMessage, 500, 500);
+		throw new ResponseHelper.InternalServerError(errorMessage);
 	}
 
 	const additionalKeys: IWorkflowDataProxyAdditionalKeys = {
@@ -169,7 +169,7 @@ export async function executeWebhook(
 		try {
 			user = await getWorkflowOwner(workflowData.id.toString());
 		} catch (error) {
-			throw new ResponseHelper.ResponseError('Cannot find workflow', undefined, 404);
+			throw new ResponseHelper.NotFoundError('Cannot find workflow');
 		}
 	}
 
@@ -212,7 +212,7 @@ export async function executeWebhook(
 		// that something does not resolve properly.
 		const errorMessage = `The response mode '${responseMode}' is not valid!`;
 		responseCallback(new Error(errorMessage), {});
-		throw new ResponseHelper.ResponseError(errorMessage, 500, 500);
+		throw new ResponseHelper.InternalServerError(errorMessage);
 	}
 
 	// Add the Response and Request so that this data can be accessed in the node
@@ -661,7 +661,7 @@ export async function executeWebhook(
 					responseCallback(new Error('There was a problem executing the workflow'), {});
 				}
 
-				throw new ResponseHelper.ResponseError(e.message, 500, 500);
+				throw new ResponseHelper.InternalServerError(e.message);
 			});
 
 		// eslint-disable-next-line consistent-return
@@ -671,7 +671,7 @@ export async function executeWebhook(
 			responseCallback(new Error('There was a problem executing the workflow'), {});
 		}
 
-		throw new ResponseHelper.ResponseError(e.message, 500, 500);
+		throw new ResponseHelper.InternalServerError(e.message);
 	}
 }
 

packages/cli/src/WebhookServer.ts

@@ -294,7 +294,7 @@ class App {
 
 		this.app.use((req: express.Request, res: express.Response, next: express.NextFunction) => {
 			if (!Db.isInitialized) {
-				const error = new ResponseHelper.ResponseError('Database is not ready!', undefined, 503);
+				const error = new ResponseHelper.ServiceUnavailableError('Database is not ready!');
 				return ResponseHelper.sendErrorResponse(res, error);
 			}
 
@@ -318,7 +318,7 @@ class App {
 				await connection.query('SELECT 1');
 				// eslint-disable-next-line id-denylist
 			} catch (err) {
-				const error = new ResponseHelper.ResponseError('No Database connection!', undefined, 503);
+				const error = new ResponseHelper.ServiceUnavailableError('No Database connection!');
 				return ResponseHelper.sendErrorResponse(res, error);
 			}
 

packages/cli/src/api/executions.api.ts

@@ -172,10 +172,8 @@ executionsController.get(
 					userId: req.user.id,
 					filter: req.query.filter,
 				});
-				throw new ResponseHelper.ResponseError(
+				throw new ResponseHelper.InternalServerError(
 					`Parameter "filter" contained invalid JSON string.`,
-					500,
-					500,
 				);
 			}
 		}
@@ -363,10 +361,8 @@ executionsController.post(
 					executionId,
 				},
 			);
-			throw new ResponseHelper.ResponseError(
+			throw new ResponseHelper.NotFoundError(
 				`The execution with the ID "${executionId}" does not exist.`,
-				404,
-				404,
 			);
 		}
 
@@ -485,10 +481,8 @@ executionsController.post(
 					requestFilters = requestFiltersRaw as IGetExecutionsQueryFilter;
 				}
 			} catch (error) {
-				throw new ResponseHelper.ResponseError(
+				throw new ResponseHelper.InternalServerError(
 					`Parameter "filter" contained invalid JSON string.`,
-					500,
-					500,
 				);
 			}
 		}

packages/cli/src/api/nodes.api.ts

@@ -71,7 +71,7 @@ nodesController.post(
 		const { name } = req.body;
 
 		if (!name) {
-			throw new ResponseHelper.ResponseError(PACKAGE_NAME_NOT_PROVIDED, undefined, 400);
+			throw new ResponseHelper.BadRequestError(PACKAGE_NAME_NOT_PROVIDED);
 		}
 
 		let parsed: CommunityPackages.ParsedPackageName;
@@ -79,21 +79,17 @@ nodesController.post(
 		try {
 			parsed = parseNpmPackageName(name);
 		} catch (error) {
-			throw new ResponseHelper.ResponseError(
+			throw new ResponseHelper.BadRequestError(
 				error instanceof Error ? error.message : 'Failed to parse package name',
-				undefined,
-				400,
 			);
 		}
 
 		if (parsed.packageName === STARTER_TEMPLATE_NAME) {
-			throw new ResponseHelper.ResponseError(
+			throw new ResponseHelper.BadRequestError(
 				[
 					`Package "${parsed.packageName}" is only a template`,
 					'Please enter an actual package to install',
 				].join('.'),
-				undefined,
-				400,
 			);
 		}
 
@@ -101,23 +97,19 @@ nodesController.post(
 		const hasLoaded = hasPackageLoaded(name);
 
 		if (isInstalled && hasLoaded) {
-			throw new ResponseHelper.ResponseError(
+			throw new ResponseHelper.BadRequestError(
 				[
 					`Package "${parsed.packageName}" is already installed`,
 					'To update it, click the corresponding button in the UI',
 				].join('.'),
-				undefined,
-				400,
 			);
 		}
 
 		const packageStatus = await checkNpmPackageStatus(name);
 
 		if (packageStatus.status !== 'OK') {
-			throw new ResponseHelper.ResponseError(
+			throw new ResponseHelper.BadRequestError(
 				`Package "${name}" is banned so it cannot be installed`,
-				undefined,
-				400,
 			);
 		}
 
@@ -144,7 +136,7 @@ nodesController.post(
 
 			const clientError = error instanceof Error ? isClientError(error) : false;
 
-			throw new ResponseHelper.ResponseError(message, undefined, clientError ? 400 : 500);
+			throw new ResponseHelper[clientError ? 'BadRequestError' : 'InternalServerError'](message);
 		}
 
 		if (!hasLoaded) removePackageFromMissingList(name);
@@ -228,7 +220,7 @@ nodesController.delete(
 		const { name } = req.query;
 
 		if (!name) {
-			throw new ResponseHelper.ResponseError(PACKAGE_NAME_NOT_PROVIDED, undefined, 400);
+			throw new ResponseHelper.BadRequestError(PACKAGE_NAME_NOT_PROVIDED);
 		}
 
 		try {
@@ -236,13 +228,13 @@ nodesController.delete(
 		} catch (error) {
 			const message = error instanceof Error ? error.message : UNKNOWN_FAILURE_REASON;
 
-			throw new ResponseHelper.ResponseError(message, undefined, 400);
+			throw new ResponseHelper.BadRequestError(message);
 		}
 
 		const installedPackage = await findInstalledPackage(name);
 
 		if (!installedPackage) {
-			throw new ResponseHelper.ResponseError(PACKAGE_NOT_INSTALLED, undefined, 400);
+			throw new ResponseHelper.BadRequestError(PACKAGE_NOT_INSTALLED);
 		}
 
 		try {
@@ -253,7 +245,7 @@ nodesController.delete(
 				error instanceof Error ? error.message : UNKNOWN_FAILURE_REASON,
 			].join(':');
 
-			throw new ResponseHelper.ResponseError(message, undefined, 500);
+			throw new ResponseHelper.InternalServerError(message);
 		}
 
 		const pushInstance = Push.getInstance();
@@ -288,13 +280,13 @@ nodesController.patch(
 		const { name } = req.body;
 
 		if (!name) {
-			throw new ResponseHelper.ResponseError(PACKAGE_NAME_NOT_PROVIDED, undefined, 400);
+			throw new ResponseHelper.BadRequestError(PACKAGE_NAME_NOT_PROVIDED);
 		}
 
 		const previouslyInstalledPackage = await findInstalledPackage(name);
 
 		if (!previouslyInstalledPackage) {
-			throw new ResponseHelper.ResponseError(PACKAGE_NOT_INSTALLED, undefined, 400);
+			throw new ResponseHelper.BadRequestError(PACKAGE_NOT_INSTALLED);
 		}
 
 		try {
@@ -345,7 +337,7 @@ nodesController.patch(
 				error instanceof Error ? error.message : UNKNOWN_FAILURE_REASON,
 			].join(':');
 
-			throw new ResponseHelper.ResponseError(message, undefined, 500);
+			throw new ResponseHelper.InternalServerError(message);
 		}
 	}),
 );

packages/cli/src/api/tags.api.ts

@@ -21,13 +21,18 @@ export const externalHooks: IExternalHooksClass = ExternalHooks();
 
 export const tagsController = express.Router();
 
+const workflowsEnabledMiddleware: express.RequestHandler = (req, res, next) => {
+	if (config.getEnv('workflowTagsDisabled')) {
+		throw new ResponseHelper.BadRequestError('Workflow tags are disabled');
+	}
+	next();
+};
+
 // Retrieves all tags, with or without usage count
 tagsController.get(
 	'/',
+	workflowsEnabledMiddleware,
 	ResponseHelper.send(async (req: express.Request): Promise<TagEntity[] | ITagWithCountDb[]> => {
-		if (config.getEnv('workflowTagsDisabled')) {
-			throw new ResponseHelper.ResponseError('Workflow tags are disabled');
-		}
 		if (req.query.withUsageCount === 'true') {
 			const tablePrefix = config.getEnv('database.tablePrefix');
 			return TagHelpers.getTagsWithCountDb(tablePrefix);
@@ -40,10 +45,8 @@ tagsController.get(
 // Creates a tag
 tagsController.post(
 	'/',
+	workflowsEnabledMiddleware,
 	ResponseHelper.send(async (req: express.Request): Promise<TagEntity | void> => {
-		if (config.getEnv('workflowTagsDisabled')) {
-			throw new ResponseHelper.ResponseError('Workflow tags are disabled');
-		}
 		const newTag = new TagEntity();
 		newTag.name = req.body.name.trim();
 
@@ -61,11 +64,8 @@ tagsController.post(
 // Updates a tag
 tagsController.patch(
 	'/:id',
+	workflowsEnabledMiddleware,
 	ResponseHelper.send(async (req: express.Request): Promise<TagEntity | void> => {
-		if (config.getEnv('workflowTagsDisabled')) {
-			throw new ResponseHelper.ResponseError('Workflow tags are disabled');
-		}
-
 		const { name } = req.body;
 		const { id } = req.params;
 
@@ -87,18 +87,14 @@ tagsController.patch(
 
 tagsController.delete(
 	'/:id',
+	workflowsEnabledMiddleware,
 	ResponseHelper.send(async (req: TagsRequest.Delete): Promise<boolean> => {
-		if (config.getEnv('workflowTagsDisabled')) {
-			throw new ResponseHelper.ResponseError('Workflow tags are disabled');
-		}
 		if (
 			config.getEnv('userManagement.isInstanceOwnerSetUp') === true &&
 			req.user.globalRole.name !== 'owner'
 		) {
-			throw new ResponseHelper.ResponseError(
+			throw new ResponseHelper.UnauthorizedError(
 				'You are not allowed to perform this action',
-				undefined,
-				403,
 				'Only owners can remove tags',
 			);
 		}

packages/cli/src/commands/worker.ts

@@ -391,11 +391,7 @@ export class Worker extends Command {
 								await connection.query('SELECT 1');
 							} catch (e) {
 								LoggerProxy.error('No Database connection!', e);
-								const error = new ResponseHelper.ResponseError(
+								const error = new ResponseHelper.ServiceUnavailableError('No Database connection!');
-									'No Database connection!',
-									undefined,
-									503,
-								);
 								return ResponseHelper.sendErrorResponse(res, error);
 							}
 
@@ -406,11 +402,7 @@ export class Worker extends Command {
 								await Worker.jobQueue.client.ping();
 							} catch (e) {
 								LoggerProxy.error('No Redis connection!', e);
-								const error = new ResponseHelper.ResponseError(
+								const error = new ResponseHelper.ServiceUnavailableError('No Redis connection!');
-									'No Redis connection!',
-									undefined,
-									503,
-								);
 								return ResponseHelper.sendErrorResponse(res, error);
 							}
 

packages/cli/src/credentials/credentials.controller.ee.ts

@@ -54,7 +54,7 @@ EECredentialsController.get(
 		const includeDecryptedData = req.query.includeData === 'true';
 
 		if (Number.isNaN(Number(credentialId))) {
-			throw new ResponseHelper.ResponseError(`Credential ID must be a number.`, undefined, 400);
+			throw new ResponseHelper.BadRequestError(`Credential ID must be a number.`);
 		}
 
 		let credential = (await EECredentials.get(
@@ -63,17 +63,15 @@ EECredentialsController.get(
 		)) as CredentialsEntity & CredentialWithSharings;
 
 		if (!credential) {
-			throw new ResponseHelper.ResponseError(
+			throw new ResponseHelper.NotFoundError(
 				'Could not load the credential. If you think this is an error, ask the owner to share it with you again',
-				undefined,
-				404,
 			);
 		}
 
 		const userSharing = credential.shared?.find((shared) => shared.user.id === req.user.id);
 
 		if (!userSharing && req.user.globalRole.name !== 'owner') {
-			throw new ResponseHelper.ResponseError(`Forbidden.`, undefined, 403);
+			throw new ResponseHelper.UnauthorizedError(`Forbidden.`);
 		}
 
 		credential = EECredentials.addOwnerAndSharings(credential);
@@ -117,7 +115,7 @@ EECredentialsController.post(
 		if (!ownsCredential) {
 			const sharing = await EECredentials.getSharing(req.user, credentials.id);
 			if (!sharing) {
-				throw new ResponseHelper.ResponseError(`Forbidden`, undefined, 403);
+				throw new ResponseHelper.UnauthorizedError(`Forbidden`);
 			}
 
 			const decryptedData = await EECredentials.decrypt(encryptionKey, sharing.credentials);
@@ -144,13 +142,13 @@ EECredentialsController.put(
 			!Array.isArray(shareWithIds) ||
 			!shareWithIds.every((userId) => typeof userId === 'string')
 		) {
-			throw new ResponseHelper.ResponseError('Bad request', undefined, 400);
+			throw new ResponseHelper.BadRequestError('Bad request');
 		}
 
 		const { ownsCredential, credential } = await EECredentials.isOwned(req.user, credentialId);
 
 		if (!ownsCredential || !credential) {
-			throw new ResponseHelper.ResponseError('Forbidden', undefined, 403);
+			throw new ResponseHelper.UnauthorizedError('Forbidden');
 		}
 
 		let amountRemoved: number | null = null;

packages/cli/src/credentials/credentials.controller.ts

@@ -75,16 +75,14 @@ credentialsController.get(
 		const includeDecryptedData = req.query.includeData === 'true';
 
 		if (Number.isNaN(Number(credentialId))) {
-			throw new ResponseHelper.ResponseError(`Credential ID must be a number.`, undefined, 400);
+			throw new ResponseHelper.BadRequestError(`Credential ID must be a number.`);
 		}
 
 		const sharing = await CredentialsService.getSharing(req.user, credentialId, ['credentials']);
 
 		if (!sharing) {
-			throw new ResponseHelper.ResponseError(
+			throw new ResponseHelper.NotFoundError(
 				`Credential with ID "${credentialId}" could not be found.`,
-				undefined,
-				404,
 			);
 		}
 
@@ -159,10 +157,8 @@ credentialsController.patch(
 				credentialId,
 				userId: req.user.id,
 			});
-			throw new ResponseHelper.ResponseError(
+			throw new ResponseHelper.NotFoundError(
 				'Credential to be updated not found. You can only update credentials owned by you',
-				undefined,
-				404,
 			);
 		}
 
@@ -183,10 +179,8 @@ credentialsController.patch(
 		const responseData = await CredentialsService.update(credentialId, newCredentialData);
 
 		if (responseData === undefined) {
-			throw new ResponseHelper.ResponseError(
+			throw new ResponseHelper.NotFoundError(
 				`Credential ID "${credentialId}" could not be found to be updated.`,
-				undefined,
-				404,
 			);
 		}
 
@@ -217,10 +211,8 @@ credentialsController.delete(
 				credentialId,
 				userId: req.user.id,
 			});
-			throw new ResponseHelper.ResponseError(
+			throw new ResponseHelper.NotFoundError(
 				'Credential to be deleted not found. You can only removed credentials owned by you',
-				undefined,
-				404,
 			);
 		}
 

packages/cli/src/credentials/credentials.service.ts

@@ -206,11 +206,7 @@ export class CredentialsService {
 		try {
 			return await UserSettings.getEncryptionKey();
 		} catch (error) {
-			throw new ResponseHelper.ResponseError(
+			throw new ResponseHelper.InternalServerError(RESPONSE_ERROR_MESSAGES.NO_ENCRYPTION_KEY);
-				RESPONSE_ERROR_MESSAGES.NO_ENCRYPTION_KEY,
-				undefined,
-				500,
-			);
 		}
 	}
 

packages/cli/src/credentials/oauth2Credential.api.ts

@@ -58,7 +58,7 @@ oauth2CredentialController.get(
 		const { id: credentialId } = req.query;
 
 		if (!credentialId) {
-			throw new ResponseHelper.ResponseError('Required credential ID is missing', undefined, 400);
+			throw new ResponseHelper.BadRequestError('Required credential ID is missing');
 		}
 
 		const credential = await getCredentialForUser(credentialId, req.user);
@@ -68,14 +68,14 @@ oauth2CredentialController.get(
 				userId: req.user.id,
 				credentialId,
 			});
-			throw new ResponseHelper.ResponseError(RESPONSE_ERROR_MESSAGES.NO_CREDENTIAL, undefined, 404);
+			throw new ResponseHelper.NotFoundError(RESPONSE_ERROR_MESSAGES.NO_CREDENTIAL);
 		}
 
 		let encryptionKey: string;
 		try {
 			encryptionKey = await UserSettings.getEncryptionKey();
 		} catch (error) {
-			throw new ResponseHelper.ResponseError((error as Error).message, undefined, 500);
+			throw new ResponseHelper.InternalServerError((error as Error).message);
 		}
 
 		const mode: WorkflowExecuteMode = 'internal';
@@ -173,12 +173,10 @@ oauth2CredentialController.get(
 			const { code, state: stateEncoded } = req.query;
 
 			if (!code || !stateEncoded) {
-				const errorResponse = new ResponseHelper.ResponseError(
+				const errorResponse = new ResponseHelper.ServiceUnavailableError(
 					`Insufficient parameters for OAuth2 callback. Received following query parameters: ${JSON.stringify(
 						req.query,
 					)}`,
-					undefined,
-					503,
 				);
 				return ResponseHelper.sendErrorResponse(res, errorResponse);
 			}
@@ -190,10 +188,8 @@ oauth2CredentialController.get(
 					token: string;
 				};
 			} catch (error) {
-				const errorResponse = new ResponseHelper.ResponseError(
+				const errorResponse = new ResponseHelper.ServiceUnavailableError(
 					'Invalid state format returned',
-					undefined,
-					503,
 				);
 				return ResponseHelper.sendErrorResponse(res, errorResponse);
 			}
@@ -205,10 +201,8 @@ oauth2CredentialController.get(
 					userId: req.user?.id,
 					credentialId: state.cid,
 				});
-				const errorResponse = new ResponseHelper.ResponseError(
+				const errorResponse = new ResponseHelper.NotFoundError(
 					RESPONSE_ERROR_MESSAGES.NO_CREDENTIAL,
-					undefined,
-					404,
 				);
 				return ResponseHelper.sendErrorResponse(res, errorResponse);
 			}
@@ -217,11 +211,7 @@ oauth2CredentialController.get(
 			try {
 				encryptionKey = await UserSettings.getEncryptionKey();
 			} catch (error) {
-				throw new ResponseHelper.ResponseError(
+				throw new ResponseHelper.InternalServerError((error as IDataObject).message as string);
-					(error as IDataObject).message as string,
-					undefined,
-					500,
-				);
 			}
 
 			const mode: WorkflowExecuteMode = 'internal';
@@ -250,10 +240,8 @@ oauth2CredentialController.get(
 					userId: req.user?.id,
 					credentialId: state.cid,
 				});
-				const errorResponse = new ResponseHelper.ResponseError(
+				const errorResponse = new ResponseHelper.NotFoundError(
 					'The OAuth2 callback state is invalid!',
-					undefined,
-					404,
 				);
 				return ResponseHelper.sendErrorResponse(res, errorResponse);
 			}
@@ -299,11 +287,7 @@ oauth2CredentialController.get(
 					userId: req.user?.id,
 					credentialId: state.cid,
 				});
-				const errorResponse = new ResponseHelper.ResponseError(
+				const errorResponse = new ResponseHelper.NotFoundError('Unable to get access tokens!');
-					'Unable to get access tokens!',
-					undefined,
-					404,
-				);
 				return ResponseHelper.sendErrorResponse(res, errorResponse);
 			}
 

packages/cli/src/workflows/workflows.controller.ee.ts

@@ -46,13 +46,13 @@ EEWorkflowController.put(
 			!Array.isArray(shareWithIds) ||
 			!shareWithIds.every((userId) => typeof userId === 'string')
 		) {
-			throw new ResponseHelper.ResponseError('Bad request', undefined, 400);
+			throw new ResponseHelper.BadRequestError('Bad request');
 		}
 
 		const { ownsWorkflow, workflow } = await EEWorkflows.isOwned(req.user, workflowId);
 
 		if (!ownsWorkflow || !workflow) {
-			throw new ResponseHelper.ResponseError('Forbidden', undefined, 403);
+			throw new ResponseHelper.UnauthorizedError('Forbidden');
 		}
 
 		let newShareeIds: string[] = [];
@@ -86,20 +86,14 @@ EEWorkflowController.get(
 		);
 
 		if (!workflow) {
-			throw new ResponseHelper.ResponseError(
+			throw new ResponseHelper.NotFoundError(`Workflow with ID "${workflowId}" does not exist`);
-				`Workflow with ID "${workflowId}" does not exist`,
-				undefined,
-				404,
-			);
 		}
 
 		const userSharing = workflow.shared?.find((shared) => shared.user.id === req.user.id);
 
 		if (!userSharing && req.user.globalRole.name !== 'owner') {
-			throw new ResponseHelper.ResponseError(
+			throw new ResponseHelper.UnauthorizedError(
 				'It looks like you cannot access this workflow. Ask the owner to share it with you.',
-				undefined,
-				403,
 			);
 		}
 
@@ -143,10 +137,8 @@ EEWorkflowController.post(
 		try {
 			EEWorkflows.validateCredentialPermissionsToUser(newWorkflow, allCredentials);
 		} catch (error) {
-			throw new ResponseHelper.ResponseError(
+			throw new ResponseHelper.BadRequestError(
 				'The workflow you are trying to save contains credentials that are not shared with you',
-				undefined,
-				400,
 			);
 		}
 
@@ -173,7 +165,7 @@ EEWorkflowController.post(
 
 		if (!savedWorkflow) {
 			LoggerProxy.error('Failed to create workflow', { userId: req.user.id });
-			throw new ResponseHelper.ResponseError(
+			throw new ResponseHelper.InternalServerError(
 				'An error occurred while saving your workflow. Please try again.',
 			);
 		}

packages/cli/src/workflows/workflows.controller.ts

@@ -91,7 +91,7 @@ workflowsController.post(
 
 		if (!savedWorkflow) {
 			LoggerProxy.error('Failed to create workflow', { userId: req.user.id });
-			throw new ResponseHelper.ResponseError('Failed to save workflow');
+			throw new ResponseHelper.InternalServerError('Failed to save workflow');
 		}
 
 		if (tagIds && !config.getEnv('workflowTagsDisabled') && savedWorkflow.tags) {
@@ -152,13 +152,11 @@ workflowsController.get(
 	`/from-url`,
 	ResponseHelper.send(async (req: express.Request): Promise<IWorkflowResponse> => {
 		if (req.query.url === undefined) {
-			throw new ResponseHelper.ResponseError(`The parameter "url" is missing!`, undefined, 400);
+			throw new ResponseHelper.BadRequestError(`The parameter "url" is missing!`);
 		}
 		if (!/^http[s]?:\/\/.*\.json$/i.exec(req.query.url as string)) {
-			throw new ResponseHelper.ResponseError(
+			throw new ResponseHelper.BadRequestError(
 				`The parameter "url" is not valid! It does not seem to be a URL pointing to a n8n workflow JSON file.`,
-				undefined,
-				400,
 			);
 		}
 		let workflowData: IWorkflowResponse | undefined;
@@ -166,11 +164,7 @@ workflowsController.get(
 			const { data } = await axios.get<IWorkflowResponse>(req.query.url as string);
 			workflowData = data;
 		} catch (error) {
-			throw new ResponseHelper.ResponseError(
+			throw new ResponseHelper.BadRequestError(`The URL does not point to valid JSON file!`);
-				`The URL does not point to valid JSON file!`,
-				undefined,
-				400,
-			);
 		}
 
 		// Do a very basic check if it is really a n8n-workflow-json
@@ -182,10 +176,8 @@ workflowsController.get(
 			typeof workflowData.connections !== 'object' ||
 			Array.isArray(workflowData.connections)
 		) {
-			throw new ResponseHelper.ResponseError(
+			throw new ResponseHelper.BadRequestError(
 				`The data in the file does not seem to be a n8n workflow JSON file!`,
-				undefined,
-				400,
 			);
 		}
 
@@ -222,10 +214,8 @@ workflowsController.get(
 				workflowId,
 				userId: req.user.id,
 			});
-			throw new ResponseHelper.ResponseError(
+			throw new ResponseHelper.NotFoundError(
 				'Could not load the workflow - you can only access workflows owned by you',
-				undefined,
-				404,
 			);
 		}
 
@@ -297,10 +287,8 @@ workflowsController.delete(
 				workflowId,
 				userId: req.user.id,
 			});
-			throw new ResponseHelper.ResponseError(
+			throw new ResponseHelper.BadRequestError(
 				'Could not delete the workflow - you can only remove workflows owned by you',
-				undefined,
-				400,
 			);
 		}
 

packages/cli/src/workflows/workflows.services.ee.ts

@@ -168,7 +168,7 @@ export class EEWorkflowsService extends WorkflowsService {
 		const previousVersion = await EEWorkflowsService.get({ id: parseInt(workflowId, 10) });
 
 		if (!previousVersion) {
-			throw new ResponseHelper.ResponseError('Workflow not found', undefined, 404);
+			throw new ResponseHelper.NotFoundError('Workflow not found');
 		}
 
 		const allCredentials = await EECredentials.getAll(user);
@@ -180,10 +180,8 @@ export class EEWorkflowsService extends WorkflowsService {
 				allCredentials,
 			);
 		} catch (error) {
-			throw new ResponseHelper.ResponseError(
+			throw new ResponseHelper.BadRequestError(
 				'Invalid workflow credentials - make sure you have access to all credentials and try again.',
-				undefined,
-				400,
 			);
 		}
 	}

packages/cli/src/workflows/workflows.services.ts

@@ -124,10 +124,8 @@ export class WorkflowsService {
 					userId: user.id,
 					filter,
 				});
-				throw new ResponseHelper.ResponseError(
+				throw new ResponseHelper.InternalServerError(
 					`Parameter "filter" contained invalid JSON string.`,
-					500,
-					500,
 				);
 			}
 		}
@@ -196,18 +194,14 @@ export class WorkflowsService {
 				workflowId,
 				userId: user.id,
 			});
-			throw new ResponseHelper.ResponseError(
+			throw new ResponseHelper.NotFoundError(
 				'You do not have permission to update this workflow. Ask the owner to share it with you.',
-				undefined,
-				404,
 			);
 		}
 
 		if (!forceSave && workflow.hash !== '' && workflow.hash !== shared.workflow.hash) {
-			throw new ResponseHelper.ResponseError(
+			throw new ResponseHelper.BadRequestError(
 				'We are sorry, but the workflow has been changed in the meantime. Please reload the workflow and try again.',
-				undefined,
-				400,
 			);
 		}
 
@@ -290,10 +284,8 @@ export class WorkflowsService {
 		const updatedWorkflow = await Db.collections.Workflow.findOne(workflowId, options);
 
 		if (updatedWorkflow === undefined) {
-			throw new ResponseHelper.ResponseError(
+			throw new ResponseHelper.BadRequestError(
 				`Workflow with ID "${workflowId}" could not be found to be updated.`,
-				undefined,
-				400,
 			);
 		}
 

packages/workflow/src/ErrorReporterProxy.ts

@@ -11,10 +11,9 @@ interface ErrorReporter {
 	report: (error: Error | string, options?: ReportingOptions) => void;
 }
 
-const isProduction = process.env.NODE_ENV === 'production';
-
 const instance: ErrorReporter = {
-	report: (error, options) => isProduction && Logger.error('ERROR', { error, options }),
+	report: (error) =>
+		error instanceof Error && Logger.error(`${error.constructor.name}: ${error.message}`),
 };
 
 export function init(errorReporter: ErrorReporter) {

pnpm-lock.yaml

@@ -183,6 +183,7 @@ importers:
       passport-cookie: ^1.0.9
       passport-jwt: ^4.0.0
       pg: ^8.3.0
+      picocolors: ^1.0.0
       posthog-node: ^1.3.0
       prom-client: ^13.1.0
       psl: ^1.8.0
@@ -263,6 +264,7 @@ importers:
       passport-cookie: 1.0.9
       passport-jwt: 4.0.0
       pg: 8.8.0
+      picocolors: 1.0.0
       posthog-node: 1.3.0
       prom-client: 13.2.0
       psl: 1.9.0