On Thu, 5 Mar 2020 at 20:29, Jocke Eriksson <jockeeriksson@msn.com> wrote:

Hi devs and followers we have a problem and maybe someone on this list have some input.

We use undertow as an API gateway in front of JBoss application servers.

One API we have is responding with a chunked response, and the receiving side is expecting that each chunk is a valid JSon object.

When we analyze the TCP dumps it looks like some chunks are not the full JSon response we are expecting.

This is a terrible idea, chunking is an implementation detail of the HTTP transport layer. Proxies are allowed to change the chunk boundaries.

So the question is could this be a problem in the gateway?

I found a flag called PRE_CHUNKED_RESPONSE could this be the answer.

If so, how do we apply it in a proxy handler?

You can't really, the client the proxy uses will strip the chunk data, so the proxy will never see it, this would be a feature request.

Stuart

Regards Joakim.

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