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Tanstack Start's server integration doesn't send to sentry #16985
Description
Is there an existing issue for this?
- I have checked for existing issues https://github.com/getsentry/sentry-javascript/issues
- I have reviewed the documentation https://docs.sentry.io/
- I am using the latest SDK release https://github.com/getsentry/sentry-javascript/releases
How do you use Sentry?
Sentry Saas (sentry.io)
Which SDK are you using?
@sentry/tanstackstart-react
SDK Version
9.38.0
Framework Version
1.127.3
Link to Sentry event
No response
Reproduction Example/SDK Setup
https://github.com/nick-potts/sentry-tanstack-start-basic
I've taken the basic-start from the tanstack docs and followed the instructions for adding it. The only things I've done differently:
- Client Sentry is
enabled: false. The client stuff works, so I disabled it in this repo.
Steps to Reproduce
Browse to boom and api-boom. neither fire server side events.
Note, the beforeSend is triggering, just nothing gets sent to sentry.
Expected Result
Events are sent to sentry
Actual Result
No events are sent from the server client
Activity
andreiborza commentedon Jul 15, 2025
Hi @nick-potts, thanks for filing this and providing a reproduction repo. We'll take a look.
s1gr1d commentedon Jul 16, 2025
I just took a look at your reproduction and you are definitely right to question this. The SDK is currently in Alpha state and mainly offers functionality for the client-side. Automatic error monitoring on the server-side is not yet included. I updated the docs and the tracking issue to make the current state more obvious.
I will close this as this is not a bug, but a feature that was not yet implemented. You can always capture errors manually with
captureException. However, automatic error capturing requires the Nitro server to be instrumented.nick-potts commentedon Jul 17, 2025
Thanks for the info, just to be clear - nothing works server side yet? No spans, errors, logs etc?
s1gr1d commentedon Jul 17, 2025
If you call the functions manually it works, but automatic instrumentation (without you having to call the functions) for TanStack Start's current server setup is not yet implemented.
As TanStack Start is still on v0 and they plan to use Nitro on the server with v1, we want to optimize for their Nitro setup in v1.
Bryson14 commentedon Apr 11, 2026
Are you not seeing logs because you are running tanstack start on a serverless environment, like Cloudflare Workers? That would shut off the compute before sentry could flush