Webserver hangs up while device is still reachable by ping without problems #5725
Description
Basic Infos
- This issue complies with the issue POLICY doc.
- I have read the documentation at readthedocs and the issue is not addressed there.
- I have tested that the issue is present in current master branch (aka latest git).
- I have searched the issue tracker for a similar issue.
- If there is a stack dump, I have decoded it.
- I have filled out all fields below.
Platform
- Hardware: [esp8266EX]
- Core Version: (Update platform.txt #5724)
- Development Env: [Arduino IDE]
- Operating System: [MacOS]
Settings in IDE
- Module: [Nodemcu]
- Flash Mode: [qio]
- Flash Size: [4MB]
- lwip Variant: [v2 Higher Bandwidth]
- Reset Method: [nodemcu]
- Flash Frequency: [40Mhz]
- CPU Frequency: [160MHz]
- Upload Using: [SERIAL]
- Upload Speed: [115200]
Problem Description
- After a while (20 - 60sec) the Webserver stops answering to requests while the device is still reachable by ping.
- After about 30sec the Webserver continues working without any problems.
- there are not WiFi-Scans or STA the ESP tryes to connect, see simple script below.
#include <ESP8266WiFi.h>
#include <WiFiClient.h>
#include <ESP8266WebServer.h>
ESP8266WebServer server(80);
void handleRPC() {
server.send(200, "application/json", "{\"id\": 2858,\"method\": \"system.getStatus\",\"payload\": {\"system\": {\"batteryPowerSupply\": true,\"batteryPercent\": 100,\"totalBytes\": 2949250,\"usedBytes\": 1004,\"freeHeap\": 35552,\"currentTaskTime\": 129867,\"status\": 5},\"wifi\": {\"ssid\": \"Wolke\",\"status\": 3,\"mode\": 3,\"ip\": \"192.168.135.163\",\"rssi\": -47},\"application\": {\"name\": \"radar\",\"version\": \"0.1\",\"statusEnable\": false,\"statusStatus\": false,\"statusText\": \"\"}},\"success\": true,\"status\": \"ok\"}");
}
void setup() {
delay(1000);
Serial.begin(115200);
Serial.println();
Serial.print("Configuring access point...");
WiFi.softAPConfig(IPAddress(192, 168, 5, 1), IPAddress(192, 168, 5, 1), IPAddress(255, 255, 255, 0));
WiFi.softAP("arduinoOS");
IPAddress myIP = WiFi.softAPIP();
Serial.print("AP IP address: ");
Serial.println(myIP);
server.on("/rpc", handleRPC);
server.begin();
Serial.println("HTTP server started");
}
void loop() {
server.handleClient();yield();
}