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My code looks roughly like:
char json_string[512];int length = mylib.sprint_json(json_string);Serial.println("Sending JSON:");Serial.println(json_string);Serial.print("Length: ");Serial.println(length);client.beginRequest();client.post("/");client.sendHeader("Host", "my.hostname.tld");client.sendHeader("Content-Type", "application/json");client.sendHeader("Content-Length", length);client.beginBody();client.print(json_string);client.endRequest();int statusCode = client.responseStatusCode();String response = client.responseBody();mylib.sprint_json is essentially ansprintf() wrapper.
This doesn't work. The request never goes out.
If I change the post request to:
client.post("/", "application/json", json_string);it works just fine.
Am I doing something wrong? I copied the example. From theSerial.println()s, I can see that the string and length are correct...