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i tried compiling a program to upload sensor readings that i connected with my ESP8266 to cloud (in my case, Antares) but i keep getting this error message. Can anyone tell me where the problem is, and what do i need to do to get it fixed ?

At first i thought it was because come incompatibility with my older version of Arduino IDE, so i updated to the latest version of it, but nothing changed.

Im kinda new here, so any suggest might help. Thank you!

Arduino: 1.8.13 (Windows Store 1.8.42.0) (Windows 10), Board: "NodeMCU 1.0 (ESP-12E Module), 80 MHz, 115200, 4M (3M SPIFFS)"

C:\Users\LENOVO\Documents\Arduino\libraries\antares-esp8266-http-master\src\AntaresESP8266HTTP.cpp: In member function 'void AntaresESP8266HTTP::get(String, String)':

C:\Users\LENOVO\Documents\Arduino\libraries\antares-esp8266-http-master\src\AntaresESP8266HTTP.cpp:202:23: error: 'class WiFiClientSecure' has no member named 'setCACert_P'

 bool res = client.setCACert_P(caCert, caCertLen);

                   ^

C:\Users\LENOVO\Documents\Arduino\libraries\antares-esp8266-http-master\src\AntaresESP8266HTTP.cpp:222:16: error: 'class WiFiClientSecure' has no member named 'verifyCertChain'

 if (client.verifyCertChain(_serverNoHttp)) {

            ^

C:\Users\LENOVO\Documents\Arduino\libraries\antares-esp8266-http-master\src\AntaresESP8266HTTP.cpp: In member function 'String AntaresESP8266HTTP::getRaw(String, String)':

C:\Users\LENOVO\Documents\Arduino\libraries\antares-esp8266-http-master\src\AntaresESP8266HTTP.cpp:274:23: error: 'class WiFiClientSecure' has no member named 'setCACert_P'

 bool res = client.setCACert_P(caCert, caCertLen);

                   ^

C:\Users\LENOVO\Documents\Arduino\libraries\antares-esp8266-http-master\src\AntaresESP8266HTTP.cpp:294:16: error: 'class WiFiClientSecure' has no member named 'verifyCertChain'

 if (client.verifyCertChain(_serverNoHttp)) {

            ^

C:\Users\LENOVO\Documents\Arduino\libraries\antares-esp8266-http-master\src\AntaresESP8266HTTP.cpp: In member function 'void AntaresESP8266HTTP::send(String, String)':

C:\Users\LENOVO\Documents\Arduino\libraries\antares-esp8266-http-master\src\AntaresESP8266HTTP.cpp:439:23: error: 'class WiFiClientSecure' has no member named 'setCACert_P'

 bool res = client.setCACert_P(caCert, caCertLen);

                   ^

C:\Users\LENOVO\Documents\Arduino\libraries\antares-esp8266-http-master\src\AntaresESP8266HTTP.cpp:459:16: error: 'class WiFiClientSecure' has no member named 'verifyCertChain'

 if (client.verifyCertChain(_serverNoHttp)) {

            ^

C:\Users\LENOVO\Documents\Arduino\libraries\antares-esp8266-http-master\src\AntaresESP8266HTTP.cpp: In member function 'void AntaresESP8266HTTP::sendRaw(String, String, String)':

C:\Users\LENOVO\Documents\Arduino\libraries\antares-esp8266-http-master\src\AntaresESP8266HTTP.cpp:512:23: error: 'class WiFiClientSecure' has no member named 'setCACert_P'

 bool res = client.setCACert_P(caCert, caCertLen);

                   ^

C:\Users\LENOVO\Documents\Arduino\libraries\antares-esp8266-http-master\src\AntaresESP8266HTTP.cpp:532:16: error: 'class WiFiClientSecure' has no member named 'verifyCertChain'

 if (client.verifyCertChain(_serverNoHttp)) {

            ^

C:\Users\LENOVO\Documents\Arduino\libraries\antares-esp8266-http-master\src\AntaresESP8266HTTP.cpp: In member function 'void AntaresESP8266HTTP::getLatestTest(String, String)':

C:\Users\LENOVO\Documents\Arduino\libraries\antares-esp8266-http-master\src\AntaresESP8266HTTP.cpp:688:40: error: no matching function for call to 'WiFiClient::connect(String&, uint16_t&)'

 if(client.connect(_server, _portNum)) {

                                    ^

C:\Users\LENOVO\Documents\Arduino\libraries\antares-esp8266-http-master\src\AntaresESP8266HTTP.cpp:688:40: note: candidates are:

In file included from C:\Users\LENOVO\Documents\ArduinoData\packages\esp8266\hardware\esp8266\2.3.0\libraries\ESP8266WiFi\src/ESP8266WiFi.h:39:0,

             from C:\Users\LENOVO\Documents\Arduino\libraries\antares-esp8266-http-master\src\AntaresESP8266HTTP.h:5,

             from C:\Users\LENOVO\Documents\Arduino\libraries\antares-esp8266-http-master\src\AntaresESP8266HTTP.cpp:1:

C:\Users\LENOVO\Documents\ArduinoData\packages\esp8266\hardware\esp8266\2.3.0\libraries\ESP8266WiFi\src/WiFiClient.h:47:15: note: virtual int WiFiClient::connect(IPAddress, uint16_t)

virtual int connect(IPAddress ip, uint16_t port);

           ^

C:\Users\LENOVO\Documents\ArduinoData\packages\esp8266\hardware\esp8266\2.3.0\libraries\ESP8266WiFi\src/WiFiClient.h:47:15: note: no known conversion for argument 1 from 'String' to 'IPAddress'

C:\Users\LENOVO\Documents\ArduinoData\packages\esp8266\hardware\esp8266\2.3.0\libraries\ESP8266WiFi\src/WiFiClient.h:48:15: note: virtual int WiFiClient::connect(const char*, uint16_t)

virtual int connect(const char *host, uint16_t port);

           ^

C:\Users\LENOVO\Documents\ArduinoData\packages\esp8266\hardware\esp8266\2.3.0\libraries\ESP8266WiFi\src/WiFiClient.h:48:15: note: no known conversion for argument 1 from 'String' to 'const char*'

exit status 1

Error compiling for board NodeMCU 1.0 (ESP-12E Module).

This report would have more information with "Show verbose output during compilation" option enabled in File -> Preferences.

Improve this question
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  • 2
    please format the printout ... put these three symbols ``` on a blank line before the printout ... same after the printout ... make sure that there is nothing else on the line Commented Nov 13, 2020 at 2:24
  • 1
    check the esp8266 core version in Boards Manager Commented Nov 13, 2020 at 6:12
  • As noted by @Jurajj, You’re working with an old ESP8266 Core version (2.3.0 is from 2016). Update it and try again (and it would be nice if you could report back here). Commented Nov 13, 2020 at 7:30
  • It turned out that the ESP8266 core version that i had installed is obsolete, so i installed the esp8266 core version 2.7.4 and the compiling works just fine. Thank you so much everyone for the help ! :D Commented Nov 16, 2020 at 8:15

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