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connectrpc / connect-es

The TypeScript implementation of Connect: Protobuf RPC that works.

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Error handling with express connect middleware

sayyajp opened this issue · comments

commented

Question

I want to handle error produced in ExpressConnectMiddleware.
But in ExpressConnectMiddleware, it doesn't seem to pass err like next(err).
So I can't handle error in express.
Is there any solution?

Thanks

commented

Hey @sayyajp, we looked into this before in #551. Our middleware does end the request-response cycle. If an error occurs in an RPC, we write back an error response in the correct protocol-specific format. I am not sure how we could change behavior without causing issues.

How do you want to handle the error in express? Maybe there is an alternative to support your use case.

commented

@timostamm Thanks for reply.
I might be able to resolve the problem when I follow comment.
If I should have problem yet, let me comment again.