Exception when connecting captive portal

[petricf]

Describe the bug Connect via WiFi to the Portal ends with exception and following restart.

To Reproduce Steps to reproduce the behavior:

1. Upload example project "tabbedGUI"
2. Connect from mobile after the AP was started
3. Exception thown
4. See attached file ESPUI-Serial-Output.txt
5. See attached ESPUI-Stack-Trace.txt

Expected behavior Display the test screen via the presented AccessPoint.

Screenshots

ESPUI-Serial-Output.txt

ESPUI-Stack-Trace.txt

Desktop (please complete the following information):

• OS: Linux Mint Cinnamon
• Browser: Arduino IDE
• Version 2.3.7-nightly

Smartphone (please complete the following information):

• Device: Redmi Note 12
• OS: Android 15
• Browser: currently not involved

Additional context Installed:

• ESPUI 2.2.4

Sketch upload output:

ESPUI-Upload-Output.txt

No idea what went wrong. Any hints ?

[petricf]

Hardcoding the WLAN-credentials in the sketch skips the captive portal.

Now i got the test screen.

[petricf]

After removing all occurences of dnsserver from the sketch the demo sketch works.

At least gui example exhibits the same problem.

Could mDNS be a better solution ?