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arduino / arduino-ide

Arduino IDE 2.x
https://www.arduino.cc/en/software
GNU Affero General Public License v3.0
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IDE fails to download web resources and/or hangs on startup when using DNS Proxy #2556

Open OzFalcon opened 1 week ago

OzFalcon commented 1 week ago

Describe the problem

Arduino IDE 2.0.4 -> 2.3.3 fails to download web resources and or hangs on startup. OUTPUT WINDOW

Downloading packages arduino:arduinoOTA@1.3.0 Failed to install platform: 'arduino:avr:1.8.6'. Error: 2 UNKNOWN: Get "http://downloads.arduino.cc/tools/arduinoOTA-1.3.0-linux_amd64.tar.bz2": dial tcp [2606:4700::6812:a15]:80: connect: network is unreachable Downloading TFT@1.0.6 TFT@1.0.6 Failed to install library: 'Arduino_BuiltIn:1.0.0'. Error: 13 INTERNAL: Can't download library: Get "https://downloads.arduino.cc/libraries/github.com/arduino-libraries/TFT-1.0.6.zip?query=depends": dial tcp [2606:4700::6812:b15]:443: connect: network is unreachable Image

To reproduce

For some reason my router/modem had reverted some default settings. Image Specifically the DHCP allocated DNS servers. And the DNS Proxy option was enabled. ie. DHCP DNS now pointed to itself and it was running a DNS Proxy. Image A workaround to this problem is to manually set the DNS servers / Don't use the DNS proxy. Image Image

Expected behavior

On first run, License is agreed to then Arduino IDE starts up (Does not hang) and downloads web resources.

Arduino IDE version

2.3.3

Operating system

Linux

Operating system version

Debian 12.7

Additional context

Issue checklist