net.HTTPClient strips query

[iTibor 1]

Hi,

 

net.HTTPClient strips query string parameters – firmware 5.200.13 bug

 

I'm running HC3 Lite with firmware 5.200.13 and I've discovered a critical bug with net.HTTPClient in Lua scenes.

Problem:  When making a GET request with query string parameters, the HC3 completely strips everything after the ?character before sending the request.

 

Example:

client:request("https://httpbin.org/get?SNs=EH257001316", {
    options = { method = "GET", ... },
    success = function(res)
        print(res.data)
    end
})

 

Expected result:

{ "args": { "SNs": "EH257001316" }, "url": "https://httpbin.org/get?SNs=EH257001316" }

 

Actual result:

{ "args": {}, "url": "https://httpbin.org/get" }

 

The query string is completely missing! The same request works perfectly in Postman with identical URL and headers.

Tested workarounds – all failed:

• params option in HTTPClient
• URL encoding the query string
• Passing parameters in request body
• Different header combinations

Impact: Any external API that requires GET query parameters is completely unreachable from HC3 Lua scenes.

 

I have an HC3 Lite running firmware 5.200.13. I'm trying to call an external REST API from a Lua scene using net.HTTPClient, but any GET request with query string parameters fails because the parameters never reach the server.
I confirmed this using httpbin.org – the args field is always empty and the URL is logged without the query string.
Same request works fine in Postman. Headers are correct. Token is valid.

 

Could you help me?

 

Tibor

 

[jgab 2,642]

FW: 5.201.18 - on "big" HC3, not the lite - but I think they run the same net lib.

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Log:

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I would be surprised if the HC3 Lite stripped the queries, as it would crash many existing QAs... and we would se a lot of reports on the forum...

Edited March 29 by jgab

[w.rys 7]

@iTibor thanks, I've just confirmed the problem. It works fine in the quick apps if you need a quick fix. Quick apps Lua is slightly different than in scenes. 

The fix should be included in the next beta update (5.203), but I cannot say for sure at the moment. 

[Olgierd 0]

Have you found a solution to this problem?
I can confirm that the issue described occurs in version 5.210.