TanStack•4mo ago•

5 replies

How to throw a error in a middleware and catch it on parent middleware

I have 2 middleware like the image, but A middleware is not catching anything and the Error is sending to client but it fails because a class is not serializable

g [Error]: The value [object Object] of type "object" cannot be parsed/serialized.

TanStack is a community of passionate software engineers striving for high-quality, open-source software for web devs

28,257Members

View on Discord

Resources

Recent Announcements

Similar Threads

Was this page helpful?

Product

Pricing Docs Communities

Resources

About Blog Changelog Contributors

Legal

Terms Privacy Cookies EULA

Twitter GitHub Discord

© 2026 Hedgehog Software, LLC. All rights reserved.

© 2026 Hedgehog Software, LLC

Twitter GitHub Discord

More

Communities Docs About Terms Privacy

Recent Announcements

dry-scarlet

https://x.com/powersync_/status/2010721010006552775?s=20

dry-scarlet · 2h ago

dry-scarlet

You can now submit your website/app/project to http://TanStack.com 's new showcase and have it seen by the TanStack community! - Global showcase browser - Per-library filters - Category filters Submit here: https://tanstack.com/showcase/submit View all here: https://tanstack.com/showcase

dry-scarlet · 2w ago

dry-scarlet

TanStack AI Alpha 2 is here! 🖼️ Image, video, audio, speech, transcription, structured output 📦 Split adapters = smaller bundles, faster dev/contributions, easier 🎄 Fully tree shakable adapters ✨ Cleaner, flattened, fully type-safe APIs https://tanstack.com/blog/tanstack-ai-alpha-2

dry-scarlet · 4w ago

Similar Threads

throw errors in createServerFn and catch it

TTanStack / start-questions

Catch error in a global middleware

TTanStack / start-questions

How to Add a Catch-All Error Handler Middleware in createServerFileRoute?

TTanStack / start-questions

In middleware, how to catch exception and return custom error code with body

TTanStack / start-questions