Carddav Error

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Hi,

i wanted to use davx for syning my adresses from my synology NAS to my Samsung S10 Smartphone. My carddav works fine with Synology NAS <-> Thunderbird (Computer). But with the app davx on my smartphone it doesnt.
Here the log:

https://paste.fedoraproject.org/paste/E~eMmPoNX0O879QCOKiTcw#

Please help me.

Greetings Stefan

Hello,

2019-11-30 09:49:10 10217 [HttpClient] <-- HTTP FAILED: java.net.ConnectException: Failed to connect to /192.168.0.100:8443
2019-11-30 09:49:10 10217 [ui.setup.DavResourceFinder] PROPFIND/OPTIONS on user-given URL failed

There is no connection to 192.168.0.100:8443 from your Android device, so it’s probably a connectivity problem (firewall, …). Does it work when you access the URL from your Android browser?