Downloading a file from URL to a file (LittleFS) returns a HTTPC_ERROR_READ_TIMEOUT error #8408
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 don't know how to do this in Platformio)
- 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: ESP-12E
- Core Version: 3.0.2
- Development Env: Platformio (with
-DDEBUG_ESP_HTTP_CLIENT -DDEBUG_ESP_PORT=Serialbuild flags) - Operating System: Windows
Settings in IDE
- Module: Generic ESP8266 Module
- Flash Mode: qio (I guess)
- Flash Size: 4MB
- lwip Variant: v2 Lower Memory
- Reset Method: nodemcu
- Flash Frequency: 26MHz
- CPU Frequency: 80MHz
- Upload Using: Serial
- Upload Speed: 921600
Problem Description
Trying to download a file from a URL directly to a file stream returns an "error(-11): read Timeout" (HTTPC_ERROR_READ_TIMEOUT).
It works fine if doing http.writeToStream(&Serial); instead of http.writeToStream(&f);.
It works fine using core v2.7.4 (platform = espressif8266@2.6.3 in platformio.ini)
I got the same error using:
- core 3.0.0 (
platform = espressif8266@3.0.0in platformio.ini) - core 3.0.1 ((
platform = espressif8266@2.6.3in platformio.ini) - core 3.1.0 (
platform = espressif8266@3.2.0in platformio.ini).
Seems to be working with 3.0.1-dev, using this config in platformio.ini:
platform = espressif8266 platform_packages = platformio/framework-arduinoespressif8266 @ https://github.com/esp8266/Arduino.git MCVE Sketch
#include <Arduino.h> #include <LittleFS.h> #include <ESP8266WiFi.h> #include <ESP8266HTTPClient.h> #define FILENAME "/test.txt" #define URL "http://brokestudio.fr/test.txt" #define SSID "your_ssid" #define PASSWORD "your_password" HTTPClient http; WiFiClient client; File f; void setup() { // init serial Serial.begin(115200); Serial.println(); // connect to WiFi WiFi.begin(SSID, PASSWORD); Serial.print(F("Connecting")); // Wait for the Wi-Fi to connect while (WiFi.status() != WL_CONNECTED) { delay(1000); Serial.print('.'); } Serial.println(F("Connected!")); // init file system if (!LittleFS.begin()) Serial.println(F("File system mount failed")); else Serial.println(F("File system mount successful")); // check if test file exists and delete it if needed if(LittleFS.exists(FILENAME)) LittleFS.remove(FILENAME); // try to download a file int httpCode; int error; Serial.println(F("Downloading: " URL)); f = LittleFS.open(FILENAME, "w"); if (f) { http.begin(client, URL); httpCode = http.GET(); switch(httpCode) { case HTTP_CODE_OK: error = http.writeToStream(&f); Serial.printf("Error code: %i\r\n", error); break; default: Serial.println(F("[HTTP] GET failed, error: ")); Serial.printf("%i - %s\r\n", httpCode, http.errorToString(httpCode).c_str()); Serial.println(F(URL)); break; } f.close(); } http.end(); // output file content Serial.println(F("Reading file content")); Serial.println(F("---")); f = LittleFS.open(FILENAME, "r"); String content = f.readString(); Serial.println(content); f.close(); Serial.println(F("---")); } void loop() { } Debug Messages
SDK:2.2.2-dev(38a443e)/Core:3.0.2=30002000/lwIP:STABLE-2_1_2_RELEASE/glue:1.2-48-g7421258/BearSSL:6105635 fpm close 1 mode : sta(bc:dd:c2:fd:ed:f6) add if0 Connecting..scandone state: 0 -> 2 (b0) .state: 2 -> 3 (0) state: 3 -> 5 (10) add 0 aid 3 cnt connected with BARBE_WIFI_RDC, channel 1 dhcp client start... ..ip:192.168.2.25,mask:255.255.255.0,gw:192.168.2.1 .Connected! File system mount successful Downloading: http://brokestudio.fr/test.txt [HTTP-Client][begin] url: http://brokestudio.fr/test.txt [HTTP-Client][begin] host: brokestudio.fr port: 80 url: /test.txt [HTTP-Client][sendRequest] type: 'GET' redirCount: 0 [HTTP-Client] connected to brokestudio.fr:80 [HTTP-Client] sending request header ----- GET /test.txt HTTP/1.1 Host: brokestudio.fr User-Agent: ESP8266HTTPClient Accept-Encoding: identity;q=1,chunked;q=0.1,*;q=0 Connection: keep-alive Content-Length: 0 ----- 'HTTP-Client][handleHeaderResponse] RX: 'HTTP/1.1 200 OK 'HTTP-Client][handleHeaderResponse] RX: 'Content-Type: text/plain 'HTTP-Client][handleHeaderResponse] RX: 'Content-Length: 12 'HTTP-Client][handleHeaderResponse] RX: 'Connection: keep-alive 'HTTP-Client][handleHeaderResponse] RX: 'Keep-Alive: timeout=15 'HTTP-Client][handleHeaderResponse] RX: 'Date: Tue, 14 Dec 2021 17:15:13 GMT 'HTTP-Client][handleHeaderResponse] RX: 'Server: Apache 'HTTP-Client][handleHeaderResponse] RX: 'Last-Modified: Tue, 14 Dec 2021 16:44:46 GMT 'HTTP-Client][handleHeaderResponse] RX: 'ETag: "c-5d31de829f9eb" 'HTTP-Client][handleHeaderResponse] RX: 'Accept-Ranges: bytes 'HTTP-Client][handleHeaderResponse] RX: ' [HTTP-Client][handleHeaderResponse] code: 200 [HTTP-Client][handleHeaderResponse] size: 12 [HTTP-Client][returnError] error(-11): read Timeout [HTTP-Client][returnError] tcp stop Error code: -11 [HTTP-Client][end] still data in buffer (12), clean up. [HTTP-Client][end] tcp keep open for reuse Reading file content --- --- Metadata
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