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Frequent 500 Internal Server Errors - Production System Down Daily

Jan 22, 2026, 08:06Last activity 8 months ago

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jaluOriginal post

Web Developer

Jan 22, 2026, 07:07

PROJECT ID: 6951f2xxxxx1ee9e750a
REGION: Singapore (sgp.cloud.appwrite.io)
PLAN: Pro

Our production application experiences 500 Internal Server Errors multiple times every day, making the system unreliable for our users (200+ students and staff).

Error Pattern:

Frequency: 1-2+ times per day
Timing: Random, not at specific times
Duration: Varies (seconds to minutes)
Recovery: Automatic, after retry
Impact: Complete application unavailability

ERROR DETAILS:

Console Error:
Uncaught (in promise) TypeError: Failed to fetch
at analytics.ts:189:35
at di (analytics.ts:74:35)
at ok (query-svelteKit:75:35)
at marker.svelteKit:175:5
at shell.svelteKit:205:20

text

Network Error:
POST https://0106364j.ingest.us.sentry.io/...: net::ERR_NAME_NOT_RESOLVED
POST https://0106364j.ingest.us.sentry.io/...: net::ERR_NAME_NOT_RESOLVED
GET https://fonts.ononsrik.org/...: net::ERR_NAME_NOT_RESOLVED

text

HTTP Status: 500
Endpoint: https://sgp.cloud.appwrite.io/v1

WHAT WE'VE DONE:

✅ Verified API keys are valid and rotated after exposure
✅ Confirmed database connections are working (sporadic failures)
✅ Checked collection indexes and query optimization
✅ Verified Storage bucket permissions
✅ Confirmed no rate limiting (API requests are within limits)
✅ Reviewed error logs - no clear pattern
✅ Tested from multiple locations (same issue)
✅ Used recommended SDK versions (node-appwrite v13.0+)
✅ Implemented retry logic (temporary workaround)

Current Status: CRITICAL - Production Down😩

Summary

Frequent 500 Internal Server Errors in Production System due to missing module in deployment. The error log shows 'ERR_MODULE_NOT_FOUND' for '/usr/local/server/src/function/handler.js'. The issue is likely due to a broken build or missing entrypoint.

eldad

Jan 22, 2026, 07:34

Hey @jalu , thanks for sharing this. I’ll escalate for our team to investigate, in the meanwhile if you have any network logs or steps for reproducing the issues please share here or with me on DMs.

eldad

Jan 22, 2026, 07:47

anything from the specific requests that failed, timestamps and error messages would help.

Luke

Jan 22, 2026, 12:13

Hey @jalu can you check you have a valid entrypoint set in your deployment? We see the following logs in your Site code:

Preparing SSR runtime ...
SSR runtime prepared with configuration PORT=3000 and HOST=0.0.0.0

node:internal/modules/run_main:123
    triggerUncaughtException(
    ^
Error [ERR_MODULE_NOT_FOUND]: Cannot find module '/usr/local/server/src/function/handler.js' imported from /usr/local/server/src/function/server.mjs
    at finalizeResolution (node:internal/modules/esm/resolve:274:11)
    at moduleResolve (node:internal/modules/esm/resolve:859:10)
    at defaultResolve (node:internal/modules/esm/resolve:983:11)
    at nextResolve (node:internal/modules/esm/hooks:748:28)
    at resolve (/usr/local/server/node_modules/import-in-the-middle/hook.js:343:26)
    at nextResolve (node:internal/modules/esm/hooks:748:28)
    at Hooks.resolve (node:internal/modules/esm/hooks:240:30)
    at MessagePort.handleMessage (node:internal/modules/esm/worker:199:24)
    at [nodejs.internal.kHybridDispatch] (node:internal/event_target:845:20)
    at MessagePort.<anonymous> (node:internal/per_context/messageport:23:28) {
  code: 'ERR_MODULE_NOT_FOUND',
  url: 'file:///usr/local/server/src/function/handler.js'
}

Node.js v22.21.1
stream closed: EOF for 59367f46c6917537135f0e5d17efc4ab/b310eac92f11eb15a6444c5aaf69ef25591154a4-859b966bf9-qh8rs (app)

Luke

Jan 22, 2026, 12:13

This likely indiciates the build is broken/ or the entrypoint into the build is missing.

Frequent 500 Internal Server Errors - Production System Down Daily

Need support?_