Exception thrown with example StreamHTTPClient.ino #6028
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: ESP8285 device
- Core Version: 2.5.0-101-gfeb3988b
- Development Env: Arduino IDE
- Operating System: MacOS
Settings in IDE
- Module: Wemos D1 mini Lite
- Flash Mode: qio
- Flash Size: 1MB
- lwip Variant: v2 Lower Memory
- Reset Method: ck
- Flash Frequency: 40Mhz
- CPU Frequency: 80Mhz
- Upload Using: SERIAL
- Upload Speed: 115200
Problem Description
When using an http client with a WiFiClient to read the response as a stream, an exception is thrown when deleting the client
MCVE Sketch
Sketch is the one from here : https://github.com/esp8266/Arduino/blob/master/libraries/ESP8266HTTPClient/examples/StreamHttpClient/StreamHttpClient.ino
/**
StreamHTTPClient.ino
Created on: 24.05.2015
*/
#include <Arduino.h>
#include <ESP8266WiFi.h>
#include <ESP8266WiFiMulti.h>
#include <ESP8266HTTPClient.h>
ESP8266WiFiMulti WiFiMulti;
void setup() {
Serial.begin(115200);
// Serial.setDebugOutput(true);
Serial.println();
Serial.println();
Serial.println();
for (uint8_t t = 4; t > 0; t--) {
Serial.printf("[SETUP] WAIT %d...\n", t);
Serial.flush();
delay(1000);
}
WiFi.mode(WIFI_STA);
WiFiMulti.addAP("SSID", "PASSWORD");
}
void loop() {
// wait for WiFi connection
if ((WiFiMulti.run() == WL_CONNECTED)) {
HTTPClient http;
WiFiClient client;
Serial.print("[HTTP] begin...\n");
// configure server and url
http.begin(client, "http://jigsaw.w3.org/HTTP/connection.html");
//http.begin(client, "jigsaw.w3.org", 80, "/HTTP/connection.html");
Serial.print("[HTTP] GET...\n");
// start connection and send HTTP header
int httpCode = http.GET();
if (httpCode > 0) {
// HTTP header has been send and Server response header has been handled
Serial.printf("[HTTP] GET... code: %d\n", httpCode);
// file found at server
if (httpCode == HTTP_CODE_OK) {
// get lenght of document (is -1 when Server sends no Content-Length header)
int len = http.getSize();
// create buffer for read
uint8_t buff[128] = { 0 };
// get tcp stream
WiFiClient * stream = &client;
// read all data from server
while (http.connected() && (len > 0 || len == -1)) {
// get available data size
size_t size = stream->available();
if (size) {
// read up to 128 byte
int c = stream->readBytes(buff, ((size > sizeof(buff)) ? sizeof(buff) : size));
// write it to Serial
Serial.write(buff, c);
if (len > 0) {
len -= c;
}
}
delay(1);
}
Serial.println();
Serial.print("[HTTP] connection closed or file end.\n");
}
} else {
Serial.printf("[HTTP] GET... failed, error: %s\n", http.errorToString(httpCode).c_str());
}
http.end();
}
delay(10000);
}Debug Messages
[SETUP] WAIT 4...
scandone
state: 0 -> 2 (b0)
state: 2 -> 3 (0)
state: 3 -> 5 (10)
add 0
aid 13
cnt
connected with XXXXXXXXX, channel 2
dhcp client start...
[SETUP] WAIT 3...
[SETUP] WAIT 2...
ip:192.168.0.27,mask:255.255.255.0,gw:192.168.0.254
[SETUP] WAIT 1...
[HTTP] begin...
[HTTP] GET...
[HTTP] GET... code: 200
<HTML>
<HEAD>
<!-- Created with AOLpress/2.0 -->
<TITLE>Connection Header</TITLE>
</HEAD>
<BODY>
<P>
<IMG ALT="Jigsaw" BORDER="0" WIDTH="212" HEIGHT="49" SRC="/icons/jigsaw">
<H1>
The <I>Connection</I> header
</H1>
<P>
This page will be served to you with the following headers:
<P>
<CODE>ExtensionHeader: ExtensionValue<BR>
Connection: ExtensionHeader</CODE>
<P>
If you're getting this page through a proxy, you should <I>not</I> see the
<I>ExtensionHeader</I> !
<P>
<HR>
<BR>
<A HREF="mailto:[email protected]">[email protected]</A>
</BODY></HTML>
[HTTP] connection closed or file end.
Fatal exception 28(LoadProhibitedCause):
epc1=0x4021443a, epc2=0x00000000, epc3=0x00000000, excvaddr=0x00000208, depc=0x00000000
Exception (28):
epc1=0x4021443a epc2=0x00000000 epc3=0x00000000 excvaddr=0x00000208 depc=0x00000000
>>>stack>>>
ctx: cont
sp: 3ffffc00 end: 3fffffc0 offset: 01a0
3ffffda0: 00000000 4bc6a7f0 0000111a 3fffff68
3ffffdb0: 00000000 00000000 4bc6a7f0 00000000
3ffffdc0: 00000000 00000000 40100142 9fbe76c8
3ffffdd0: 00000000 4bc6a7f0 3ffe8508 3fffff68
3ffffde0: 0000111a ffffffff 3ffef1e4 40202448
3ffffdf0: 0000012c 00000000 00000064 40205352
3ffffe00: 3ffee50c 000000f7 000000f7 3fffff68
3ffffe10: 3ffee414 00000000 3fffff68 40202971
3ffffe20: 3ffe8666 3ffee4d4 3ffffe60 402029ad
3ffffe30: 3ffe861b 00000000 3ffffe60 402029d4
3ffffe40: 3ffee414 00000000 00000001 402034cd
3ffffe50: 3ffee414 00000000 00000001 4020120f
3ffffe60: 00000000 00000000 3fffff68 3ffef2bc
3ffffe70: 000d000f ff101f72 fe000050 fe001388
3ffffe80: 3ffef2d4 0015001f ff000000 70747468
3ffffe90: 00000000 00101dc8 00000000 00000000
3ffffea0: 00fffeb0 3ffef1bc 0011001f ffefeffe
3ffffeb0: 00000000 00000000 0000001e 00000000
3ffffec0: 00000000 00000000 ffffffff 00000000
3ffffed0: 0000000a 00000000 00000000 00000012
3ffffee0: 00000000 00000000 2267726f 67696a3e
3ffffef0: 40776173 6f2e3377 2f3c6772 3c0a3e41
3fffff00: 444f422f 2f3c3e59 4c4d5448 6c750a3e
3fffff10: 493c2064 746f6e3e 3e492f3c 65657320
3fffff20: 65687420 3e493c0a 65747845 6f69736e
3fffff30: 6165486e 3c726564 203e492f 503c0a21
3fffff40: 20200a3e 3e52483c 52423c0a 413c0a3e
3fffff50: 45524820 6d223d46 746c6961 696a3a6f
3fffff60: 77617367 2e337740 40207410 00000000
3fffff70: 00001388 00001115 00000000 3ffef1e4
3fffff80: 00000026 00000000 3ffee414 40201904
3fffff90: 3fffdad0 00000000 3ffee414 3ffee47c
3fffffa0: 3fffdad0 00000000 3ffee44c 40205320
3fffffb0: feefeffe feefeffe 3ffe8508 40100459
<<<stack<<<
ets Jan 8 2013,rst cause:2, boot mode:(3,6)
load 0x4010f000, len 1384, room 16
tail 8
chksum 0x2d
csum 0x2d
vfeb3988b
~ld
Decoding stack results
0x40100142: millis() at /Applications/Arduino.app/Contents/Java/hardware/esp8266git/esp8266/cores/esp8266/core_esp8266_wiring.cpp line 186
0x40202448: ClientContext::wait_until_sent(int) at /Applications/Arduino.app/Contents/Java/hardware/esp8266git/esp8266/libraries/ESP8266WiFi/src/include/ClientContext.h line 328
0x40205352: __yield() at /Applications/Arduino.app/Contents/Java/hardware/esp8266git/esp8266/cores/esp8266/core_esp8266_main.cpp line 100
0x40202971: WiFiClient::flush(unsigned int) at /Applications/Arduino.app/Contents/Java/hardware/esp8266git/esp8266/libraries/ESP8266WiFi/src/WiFiClient.cpp line 318
0x402029ad: WiFiClient::stop(unsigned int) at /Applications/Arduino.app/Contents/Java/hardware/esp8266git/esp8266/libraries/ESP8266WiFi/src/WiFiClient.cpp line 326
0x402029d4: WiFiClient::stop() at /Applications/Arduino.app/Contents/Java/hardware/esp8266git/esp8266/libraries/ESP8266WiFi/src/WiFiClient.h line 76
0x402034cd: HTTPClient::~HTTPClient() at /Applications/Arduino.app/Contents/Java/hardware/esp8266git/esp8266/libraries/ESP8266HTTPClient/src/ESP8266HTTPClient.cpp line 131
0x4020120f: loop() at /Users/francois/Dev/arduino/http_stream/http_stream.ino line 98
0x40201904: ESP8266WiFiMulti::addAP(char const*, char const*) at /Applications/Arduino.app/Contents/Java/hardware/esp8266git/esp8266/libraries/ESP8266WiFi/src/ESP8266WiFiMulti.cpp line 39
0x40205320: loop_wrapper() at /Applications/Arduino.app/Contents/Java/hardware/esp8266git/esp8266/cores/esp8266/core_esp8266_main.cpp line 125
Issue sound similar to #5216