Hello ! I want to send data from arduino to a local server via a serial connection. I have found this example online but I have an End of stream error when I execute the code. This is follows by many java.lang.NullPointerException. I don’t know how to debug the code because i don’t understand what…

[Processing net POST request] Error : Client got end of stream

Dupond June 27, 2019, 1:33pm 2

I forget to say that I am using the lastest version of processing 3.5.3 and I use net and serial libraries.

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