examples: Update mqtt open source test server address

examples/mesh/ip_internal_network/main/mqtt_app.c

@@ -71,7 +71,7 @@ void mqtt_app_publish(char* topic, char *publish_string)
 void mqtt_app_start(void)
 {
     esp_mqtt_client_config_t mqtt_cfg = {
-            .uri = "mqtt://mqtt.eclipse.org",
+            .uri = "mqtt://mqtt.eclipseprojects.io",
     };
 
     s_client = esp_mqtt_client_init(&mqtt_cfg);

examples/protocols/mqtt/ssl/README.md

@@ -2,7 +2,7 @@
 
 (See the README.md file in the upper level 'examples' directory for more information about examples.)
 
-This example connects to the broker mqtt.eclipse.org using ssl transport and as a demonstration subscribes/unsubscribes and send a message on certain topic.
+This example connects to the broker mqtt.eclipseprojects.io using ssl transport and as a demonstration subscribes/unsubscribes and send a message on certain topic.
 (Please note that the public broker is maintained by the community so may not be always available, for details please see this [disclaimer](https://iot.eclipse.org/getting-started/#sandboxes))
 
 It uses ESP-MQTT library which implements mqtt client to connect to mqtt broker.
@@ -19,13 +19,13 @@ This example can be executed on any ESP32 board, the only required interface is
 * Configure Wi-Fi or Ethernet under "Example Connection Configuration" menu. See "Establishing Wi-Fi or Ethernet Connection" section in [examples/protocols/README.md](../../README.md) for more details.
 * When using Make build system, set `Default serial port` under `Serial flasher config`.
 
-PEM certificate for this example could be extracted from an openssl `s_client` command connecting to mqtt.eclipse.org.
+PEM certificate for this example could be extracted from an openssl `s_client` command connecting to mqtt.eclipseprojects.io.
 In case a host operating system has `openssl` and `sed` packages installed, one could execute the following command to download and save the root certificate to a file (Note for Windows users: Both Linux like environment or Windows native packages may be used).
 ```
-echo "" | openssl s_client -showcerts -connect mqtt.eclipse.org:8883 | sed -n "1,/Root/d; /BEGIN/,/END/p" | openssl x509 -outform PEM >mqtt_eclipse_org.pem
+echo "" | openssl s_client -showcerts -connect mqtt.eclipseprojects.io:8883 | sed -n "1,/Root/d; /BEGIN/,/END/p" | openssl x509 -outform PEM >mqtt_eclipse_org.pem
 ```
 Please note that this is not a general command for downloading a root certificate for an arbitrary host;
-this command works with mqtt.eclipse.org as the site provides root certificate in the chain, which then could be extracted
+this command works with mqtt.eclipseprojects.io as the site provides root certificate in the chain, which then could be extracted
 with text operation.
 
 ### Build and Flash

examples/protocols/mqtt/ssl/main/Kconfig.projbuild

@@ -2,7 +2,7 @@ menu "Example Configuration"
 
     config BROKER_URI
         string "Broker URL"
-        default "mqtts://mqtt.eclipse.org:8883"
+        default "mqtts://mqtt.eclipseprojects.io:8883"
         help
             URL of an mqtt broker which this example connects to.
 

examples/protocols/mqtt/tcp/main/Kconfig.projbuild

@@ -2,7 +2,7 @@ menu "Example Configuration"
 
     config BROKER_URL
         string "Broker URL"
-        default "mqtt://mqtt.eclipse.org"
+        default "mqtt://mqtt.eclipseprojects.io"
         help
             URL of the broker to connect to
 

examples/protocols/mqtt/ws/README.md

@@ -2,7 +2,7 @@
 
 (See the README.md file in the upper level 'examples' directory for more information about examples.)
 
-This example connects to the broker mqtt.eclipse.org over web sockets as a demonstration subscribes/unsubscribes and send a message on certain topic.
+This example connects to the broker mqtt.eclipseprojects.io over web sockets as a demonstration subscribes/unsubscribes and send a message on certain topic.
 (Please note that the public broker is maintained by the community so may not be always available, for details please see this [disclaimer](https://iot.eclipse.org/getting-started/#sandboxes))
 
 It uses ESP-MQTT library which implements mqtt client to connect to mqtt broker.

examples/protocols/mqtt/ws/main/Kconfig.projbuild

@@ -2,7 +2,7 @@ menu "Example Configuration"
 
     config BROKER_URI
         string "Broker URL"
-        default "ws://mqtt.eclipse.org:80/mqtt"
+        default "ws://mqtt.eclipseprojects.io:80/mqtt"
         help
             URL of an mqtt broker which this example connects to.
 

examples/protocols/mqtt/wss/README.md

@@ -1,7 +1,7 @@
 # ESP-MQTT MQTT over WSS Sample application
 (See the README.md file in the upper level 'examples' directory for more information about examples.)
 
-This example connects to the broker mqtt.eclipse.org over secure websockets and as a demonstration subscribes/unsubscribes and send a message on certain topic.
+This example connects to the broker mqtt.eclipseprojects.io over secure websockets and as a demonstration subscribes/unsubscribes and send a message on certain topic.
 (Please note that the public broker is maintained by the community so may not be always available, for details please see this [disclaimer](https://iot.eclipse.org/getting-started/#sandboxes))
 
 It uses ESP-MQTT library which implements mqtt client to connect to mqtt broker.
@@ -18,15 +18,15 @@ This example can be executed on any ESP32 board, the only required interface is
 * Configure Wi-Fi or Ethernet under "Example Connection Configuration" menu. See "Establishing Wi-Fi or Ethernet Connection" section in [examples/protocols/README.md](../../README.md) for more details.
 * When using Make build system, set `Default serial port` under `Serial flasher config`.
 
-Note how to create a PEM certificate for mqtt.eclipse.org:
+Note how to create a PEM certificate for mqtt.eclipseprojects.io:
 
-PEM certificate for this example could be extracted from an openssl `s_client` command connecting to mqtt.eclipse.org.
+PEM certificate for this example could be extracted from an openssl `s_client` command connecting to mqtt.eclipseprojects.io.
 In case a host operating system has `openssl` and `sed` packages installed, one could execute the following command to download and save the root certificate to a file (Note for Windows users: Both Linux like environment or Windows native packages may be used).
 ```
-echo "" | openssl s_client -showcerts -connect mqtt.eclipse.org:443 | sed -n "1,/Root/d; /BEGIN/,/END/p" | openssl x509 -outform PEM >mqtt_eclipse_org.pem
+echo "" | openssl s_client -showcerts -connect mqtt.eclipseprojects.io:443 | sed -n "1,/Root/d; /BEGIN/,/END/p" | openssl x509 -outform PEM >mqtt_eclipse_org.pem
 ```
 Please note that this is not a general command for downloading a root certificate for an arbitrary host;
-this command works with mqtt.eclipse.org as the site provides root certificate in the chain, which then could be extracted
+this command works with mqtt.eclipseprojects.io as the site provides root certificate in the chain, which then could be extracted
 with text operation.
 
 ### Build and Flash

examples/protocols/mqtt/wss/main/Kconfig.projbuild

@@ -2,7 +2,7 @@ menu "Example Configuration"
 
     config BROKER_URI
         string "Broker URL"
-        default "wss://mqtt.eclipse.org:443/mqtt"
+        default "wss://mqtt.eclipseprojects.io:443/mqtt"
         help
             URL of an mqtt broker which this example connects to.
 

examples/protocols/pppos_client/main/pppos_client_main.c

@@ -19,7 +19,7 @@
 #include "bg96.h"
 #include "sim7600.h"
 
-#define BROKER_URL "mqtt://mqtt.eclipse.org"
+#define BROKER_URL "mqtt://mqtt.eclipseprojects.io"
 
 static const char *TAG = "pppos_example";
 static EventGroupHandle_t event_group = NULL;