{"record":{"id":"14916940f156bff2","repo":"mem0ai/mem0","slug":"mem0-memory-event-eventid-failed-reason","errorCode":null,"errorMessage":"Mem0 memory event ${eventId} failed: ${reason}","messagePattern":"Mem0 memory event (.+?) failed: (.+?)","errorType":"exception","errorClass":"NodeOperationError","httpStatus":null,"severity":"warning","filePath":"integrations/n8n-nodes-mem0/nodes/Mem0/Mem0.node.ts","lineNumber":613,"sourceCode":"}\n\n// Polls GET /v1/event/{id}/ until the memory-addition event resolves.\nasync function pollEvent(\n\trequest: (m: IHttpRequestMethods, u: string) => Promise<IDataObject>,\n\teventId: string,\n\tctx: IExecuteFunctions,\n\titemIndex: number,\n): Promise<IDataObject | IDataObject[]> {\n\tfor (let attempt = 0; attempt < MAX_POLL_ATTEMPTS; attempt++) {\n\t\tconst event = await request('GET', `/v1/event/${encodeURIComponent(eventId)}/`);\n\t\tconst status = event.status as string;\n\t\tif (status === 'SUCCEEDED') {\n\t\t\t// Match the shape of search/getAll (a clean array); fall back to the envelope.\n\t\t\treturn Array.isArray(event.results) ? (event.results as IDataObject[]) : event;\n\t\t}\n\t\tif (status === 'FAILED') {\n\t\t\tconst reason = (event.error as string) || (event.message as string) || 'unknown error';\n\t\t\tthrow new NodeOperationError(\n\t\t\t\tctx.getNode(),\n\t\t\t\t`Mem0 memory event ${eventId} failed: ${reason}`,\n\t\t\t\t{ itemIndex },\n\t\t\t);\n\t\t}\n\t\tawait sleep(POLL_INTERVAL_MS);\n\t}\n\tthrow new NodeOperationError(\n\t\tctx.getNode(),\n\t\t`Timed out waiting for memory event ${eventId} to complete`,\n\t\t{ itemIndex },\n\t);\n}\n","sourceCodeStart":595,"sourceCodeEnd":627,"githubUrl":"https://github.com/mem0ai/mem0/blob/001c235229be8795e3834520467bd0d661ed8f34/integrations/n8n-nodes-mem0/nodes/Mem0/Mem0.node.ts#L595-L627","documentation":"The /auth endpoints enforce a minimum password length of 8 characters (MIN_PASSWORD_LENGTH in server/routers/auth.py). _require_password_length runs on registration (and any flow reusing it) before any DB write, rejecting shorter passwords with 400. This is a local policy check independent of bcrypt's own 72-byte limit.","triggerScenarios":"POST /auth/register with password '1234567' (7 chars) or shorter; onboarding flows whose frontend allows shorter passwords than the server; whitespace-trimmed passwords that drop below 8 characters.","commonSituations":"Quick local testing with throwaway passwords like 'test'; frontend validation set to 6 chars while the server requires 8; password managers generating short passphrases for sandbox environments.","solutions":["Use a password of at least 8 characters when registering.","Align frontend validation with the 8-character minimum so the error never reaches the server.","Mirror the rule in client-side form validation: minlength=8 on the input."],"exampleFix":"<!-- before -->\n<input type=\"password\" name=\"password\" minlength=\"4\" required>\n\n<!-- after -->\n<input type=\"password\" name=\"password\" minlength=\"8\" required>","handlingStrategy":"validation","validationCode":"MIN_PASSWORD_LENGTH = 8\n\ndef validate_password(pw: str) -> str:\n    if len(pw) < MIN_PASSWORD_LENGTH:\n        raise ValueError(f\"Password must be at least {MIN_PASSWORD_LENGTH} characters.\")\n    return pw","typeGuard":"def is_valid_password(pw: str | None) -> bool:\n    return isinstance(pw, str) and len(pw) >= 8","tryCatchPattern":null,"preventionTips":["Set minlength=8 on registration forms.","Keep client and server password policies in sync via shared constants.","Use generated passwords for test accounts that exceed the minimum."],"tags":["validation","password","http-400","rest-server"],"backgroundTag":null,"analyzedSha":"001c235229be8795e3834520467bd0d661ed8f34","analyzedAt":"2026-08-15T01:55:42.685Z","schemaVersion":2},"datasetVersion":"2026-08-15T22:17:37.221Z"}