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[GH-ISSUE #3223] SyntaxError: Unexpected token '<', "<html> <h"... is not valid JSON #2073
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opened 2026-02-22 18:28:02 -05:00 by yindo
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Reference: Mintplex-Labs/anything-llm#2073
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Originally created by @Turkalypse on GitHub (Feb 15, 2025).
Original GitHub issue: https://github.com/Mintplex-Labs/anything-llm/issues/3223
I installed AnythingLLM on Ubuntu VPS, connected it to a domain name and made it HTTP to HTTPS.
I select any service and in the settings and API section I get the following errors:
1- Failed to load resource: the server responded with a status of 500 (Internal Server Error)
2- Error: Internal Server Error
at index.js:67:45151
at async a (index.js:307:25464)
3- POST https://x.me/api/system/update-env 502 (Bad Gateway)
4- SyntaxError: Unexpected token '<', "<html>
<h"... is not valid JSON
@Turkalypse commented on GitHub (Feb 15, 2025):
I use port 3001 with reverse proxy (Nginx)
@Turkalypse commented on GitHub (Feb 15, 2025):
I made a few edits in nginx.conf and default files. When checking the API URLs in the error with Curl, the errors persist even though '200 OK'.
Like:
root@IP:~# curl -I https://x.me/api/system/update-env
HTTP/1.1 200 OK
Server: nginx/1.18.0 (Ubuntu)
Date: Sat, 15 Feb 2025 09:35:03 GMT
Content-Type: text/html; charset=utf-8
Content-Length: 1690
Connection: keep-alive
X-Powered-By: Express
Vary: Origin
ETag: W/"69a-tVI3FpcWE0szMcTWI5ao83oYY9Y"
@timothycarambat commented on GitHub (Feb 16, 2025):
You have set up NGINX likely incorrectly as a reverse proxy.
You are getting back the generic 502 error page from NGINX - that is why it is an HTML response, you are never reaching the actual app endpoint
@Turkalypse commented on GitHub (Feb 17, 2025):
When an error occurs on the API entry screen, the container closes and the following log is given:
[collector] info: [TikTokenTokenizer] Initialized new TikTokenTokenizer instance.
[collector] info: Collector hot directory and tmp storage wiped!
[collector] info: Document processor app listening on port 8888
Environment variables loaded from .env
Prisma schema loaded from prisma/schema.prisma
✔ Generated Prisma Client (v5.3.1) to ./node_modules/@prisma/client in 778ms
Start using Prisma Client in Node.js (See: https://pris.ly/d/client)
import { PrismaClient } from '@prisma/client'
const prisma = new PrismaClient()
or start using Prisma Client at the edge (See: https://pris.ly/d/accelerate)
import { PrismaClient } from '@prisma/client/edge'
const prisma = new PrismaClient()
See other ways of importing Prisma Client: http://pris.ly/d/importing-client
Environment variables loaded from .env
Prisma schema loaded from prisma/schema.prisma
Datasource "db": SQLite database "anythingllm.db" at "file:../storage/anythingllm.db"
27 migrations found in prisma/migrations
No pending migrations to apply.
┌─────────────────────────────────────────────────────────┐
│ Update available 5.3.1 -> 6.3.1 │
│ │
│ This is a major update - please follow the guide at │
│ https://pris.ly/d/major-version-upgrade │
│ │
│ Run the following to update │
│ npm i --save-dev prisma@latest │
│ npm i @prisma/client@latest │
└─────────────────────────────────────────────────────────┘
[backend] info: [EncryptionManager] Loaded existing key & salt for encrypting arbitrary data.
[backend] info: [TokenManager] Initialized new TokenManager instance for model: gpt-3.5-turbo
[backend] info: [TokenManager] Returning existing instance for model: gpt-3.5-turbo
[backend] info: [TELEMETRY ENABLED] Anonymous Telemetry enabled. Telemetry helps Mintplex Labs Inc improve AnythingLLM.
[backend] info: prisma:info Starting a sqlite pool with 5 connections.
[backend] info: [TELEMETRY SENT] {"event":"server_boot","distinctId":"56bdd1d4-f8ee-473e-847b-9dc2b8270ebc","properties":{"commit":"--","runtime":"docker"}}
[backend] info: [CommunicationKey] RSA key pair generated for signed payloads within AnythingLLM services.
[backend] info: [EncryptionManager] Loaded existing key & salt for encrypting arbitrary data.
[backend] info: Primary server in HTTP mode listening on port 3001
[backend] info: [BackgroundWorkerService] Feature is not enabled and will not be started.
[backend] info: [MetaGenerator] fetching custom meta tag settings...
[collector] info: [TikTokenTokenizer] Initialized new TikTokenTokenizer instance.
[collector] info: Collector hot directory and tmp storage wiped!
[collector] info: Document processor app listening on port 8888
Environment variables loaded from .env
Prisma schema loaded from prisma/schema.prisma
✔ Generated Prisma Client (v5.3.1) to ./node_modules/@prisma/client in 715ms
Start using Prisma Client in Node.js (See: https://pris.ly/d/client)
import { PrismaClient } from '@prisma/client'
const prisma = new PrismaClient()
or start using Prisma Client at the edge (See: https://pris.ly/d/accelerate)
import { PrismaClient } from '@prisma/client/edge'
const prisma = new PrismaClient()
See other ways of importing Prisma Client: http://pris.ly/d/importing-client
Environment variables loaded from .env
Prisma schema loaded from prisma/schema.prisma
Datasource "db": SQLite database "anythingllm.db" at "file:../storage/anythingllm.db"
27 migrations found in prisma/migrations
No pending migrations to apply.
[backend] info: [EncryptionManager] Loaded existing key & salt for encrypting arbitrary data.
[backend] info: [TokenManager] Initialized new TokenManager instance for model: gpt-3.5-turbo
[backend] info: [TokenManager] Returning existing instance for model: gpt-3.5-turbo
[backend] info: [TELEMETRY ENABLED] Anonymous Telemetry enabled. Telemetry helps Mintplex Labs Inc improve AnythingLLM.
[backend] info: prisma:info Starting a sqlite pool with 5 connections.
[backend] info: [TELEMETRY SENT] {"event":"server_boot","distinctId":"56bdd1d4-f8ee-473e-847b-9dc2b8270ebc","properties":{"commit":"--","runtime":"docker"}}
[backend] info: [CommunicationKey] RSA key pair generated for signed payloads within AnythingLLM services.
[backend] info: [EncryptionManager] Loaded existing key & salt for encrypting arbitrary data.
[backend] info: Primary server in HTTP mode listening on port 3001
[backend] info: [BackgroundWorkerService] Feature is not enabled and will not be started.
[collector] info: [TikTokenTokenizer] Initialized new TikTokenTokenizer instance.
[collector] info: Collector hot directory and tmp storage wiped!
[collector] info: Document processor app listening on port 8888
Environment variables loaded from .env
Prisma schema loaded from prisma/schema.prisma
✔ Generated Prisma Client (v5.3.1) to ./node_modules/@prisma/client in 700ms
Start using Prisma Client in Node.js (See: https://pris.ly/d/client)
import { PrismaClient } from '@prisma/client'
const prisma = new PrismaClient()
or start using Prisma Client at the edge (See: https://pris.ly/d/accelerate)
import { PrismaClient } from '@prisma/client/edge'
const prisma = new PrismaClient()
See other ways of importing Prisma Client: http://pris.ly/d/importing-client
Environment variables loaded from .env
Prisma schema loaded from prisma/schema.prisma
Datasource "db": SQLite database "anythingllm.db" at "file:../storage/anythingllm.db"
27 migrations found in prisma/migrations
No pending migrations to apply.
[backend] info: [EncryptionManager] Loaded existing key & salt for encrypting arbitrary data.
[backend] info: [TokenManager] Initialized new TokenManager instance for model: gpt-3.5-turbo
[backend] info: [TokenManager] Returning existing instance for model: gpt-3.5-turbo
[backend] info: [TELEMETRY ENABLED] Anonymous Telemetry enabled. Telemetry helps Mintplex Labs Inc improve AnythingLLM.
[backend] info: prisma:info Starting a sqlite pool with 5 connections.
[backend] info: [TELEMETRY SENT] {"event":"server_boot","distinctId":"56bdd1d4-f8ee-473e-847b-9dc2b8270ebc","properties":{"commit":"--","runtime":"docker"}}
[backend] info: [CommunicationKey] RSA key pair generated for signed payloads within AnythingLLM services.
[backend] info: [EncryptionManager] Loaded existing key & salt for encrypting arbitrary data.
[backend] info: Primary server in HTTP mode listening on port 3001
[backend] info: [BackgroundWorkerService] Feature is not enabled and will not be started.
[backend] info: [MetaGenerator] fetching custom meta tag settings...
[backend] error: Error: The OPENAI_API_KEY environment variable is missing or empty; either provide it, or instantiate the OpenAI client with an apiKey option, like new OpenAI({ apiKey: 'My API Key' }).
at new OpenAI (/app/server/node_modules/openai/index.js:53:19)
at openAiModels (/app/server/utils/helpers/customModels.js:84:18)
at getCustomModels (/app/server/utils/helpers/customModels.js:40:20)
at /app/server/endpoints/system.js:953:41
at Layer.handle [as handle_request] (/app/server/node_modules/express/lib/router/layer.js:95:5)
at next (/app/server/node_modules/express/lib/router/route.js:149:13)
at /app/server/utils/middleware/multiUserProtected.js:60:7
at Layer.handle [as handle_request] (/app/server/node_modules/express/lib/router/layer.js:95:5)
at next (/app/server/node_modules/express/lib/router/route.js:149:13)
at validatedRequest (/app/server/utils/middleware/validatedRequest.js:20:5)
[backend] info: [GeminiLLM] Using cached models API response.
[backend] info: EmbeddingEngine changed from undefined to native - resetting undefined namespaces
[backend] info: [Event Logged] - workspace_vectors_reset
[backend] info: Resetting anythingllm managed vector namespaces for
/usr/local/bin/docker-entrypoint.sh: line 7: 111 Illegal instruction (core dumped) node /app/server/index.js
Also, where should I enter the code you provided? I entered it into the default. There is no .conf file for domain, and I haven't edited the nginx.conf.
/etc/nginx/sites-enabled/default content:
https://docs.google.com/document/d/1yZM_jrl5e_eDGCuqNk1ZCF9zSE_BTKExGaOnWO0ubyc/edit?usp=sharing
@timothycarambat commented on GitHub (Feb 17, 2025):
You are 301'ing port 80 in the second block which will go to the first blocks port 80 definition.
You should have a single server block and that should be returning $host$request_uri, not a 301 to /var/www/html which likely does not exist.
What i posted above is the only server block your need. Also dont forget to reload the service when you change NGINX
SyntaxError: Unexpected token '<', "<html> <h"... is not valid JSONto [GH-ISSUE #3223] SyntaxError: Unexpected token '<', "<html> <h"... is not valid JSON