Cwa-app-android: Keine Verbindung zum Server

[NixAlsVerdruss]

Avoid duplicates

• [x] Bug is not mentioned in the FAQ
• [x] Bug is specific for Android only, for general issues / questions that apply to iOS and Android please raise them in the documentation repository
• [x] Bug is not already reported in another issue

Describe the bug

Expected behaviour

Steps to reproduce the issue

Technical details

• Mobile device: Samsung Galaxy S8
• Android version: 9

Possible Fix

Additional context

[DE-Max-42]

@NixAlsVerdruss

Hey, but I don't think anyone can help with your "bug".
Can you provide a little more information about the "bug"?

Maybe you can explain how you can reproduce the error.

Did you have a working internet connection, do you use a VPN etc.?

[NixAlsVerdruss]

I start the app by doubleclicking it.
The immediately the error window pops up.
Obviously the app does not get the appropriate connection to its server.

DE_Max_42 [e-mail] schrieb am Do., 6. Aug. 2020, 20:25:

@NixAlsVerdruss https://github.com/NixAlsVerdruss

Hey, but I don't think anyone can help with your "bug".
Can you provide a little more information about the "bug"?

Maybe you can explain how you can reproduce the error.

Did you have a working internet connection, do you use a VPN etc.?

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[DE-Max-42]

@NixAlsVerdruss
It may seem a bit stupid of me, but do you have an active internet connection?
(have you turned on wifi / mobile data?)
can you access this web page svc90.main.px.t-online.de and see a white empty page or do you see an error message like this? :

if you can see a white page, your connection to the Corona-Warn-App servers works, and the problem is something else. But it may be that the problem is not necessarily with the app, but with your internet connection.

[MikeMcC399]

Normally the Corona Warn App V1.1.1 shows the status
"KEINE INTERNETVERBINDUNG" at the top of the screen if there is no Internet connection available when the app is opened.

I can't find any string "Keine Verbindung zum Server" in
https://github.com/corona-warn-app/cwa-app-android/blob/dev/Corona-Warn-App/src/main/res/values-de/strings.xml
so I don't know where this error message might be coming from.

[NixAlsVerdruss]

Yes, I am connected to internet all the time. Wifi-connection is working.
Mobile data are working too. At least that's what all those funny little
symbols tell me.
The address you sent me shows a white empty page.
Normally my browsers reach every web page. But I cannot say if there are
some secret barriers.

I got AdGuard to filter advertises, but put the CoronaApp on the whitelist
( exceptionlist, apps which aren't filtered), later even deactivated
AdGuard. Nope. CoronaApp always shows the same error at the beginning (no
connection to server, reason 2001, I saw ).
I want to keep AdGuard anyway, as it is useful. There are no conflicts with
any other apps up to now.

Best regards, Ingrid

DE_Max_42 [e-mail] schrieb am Do., 6. Aug. 2020, 21:00:

@NixAlsVerdruss https://github.com/NixAlsVerdruss
It may seem a bit stupid of me, but do you have an active internet
connection?
(have you turned on wifi / mobile data?)
can you access this web page svc90.main.px.t-online.de and see a white
empty page or do you see an error message like this? :
[image: image]
https://user-images.githubusercontent.com/55098805/89570012-d9f01180-d825-11ea-831f-3ac573e8aafe.png

if you can see a white page, your connection to the Corona-Warn-App
servers works, and the problem is something else. But it may be that the
problem is not necessarily with the app, but with your internet connection.

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[gagamail]

CoronaApp always shows the same error at the beginning (no connection to server, reason 2001, I saw ).

@NixAlsVerdruss It is the same error than this one #968 ?

[NixAlsVerdruss]

Maybe?

gagamail [e-mail] schrieb am Fr., 7. Aug. 2020, 08:25:

CoronaApp always shows the same error at the beginning (no connection to
server, reason 2001, I saw ).

@NixAlsVerdruss https://github.com/NixAlsVerdruss It is the same error
than this one #968
https://github.com/corona-warn-app/cwa-app-android/issues/968 ?

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[NixAlsVerdruss]

I send the screenshots.
Today I tried again.
When trying to activate the warning the error occurs.
No filters, no restrictions, WiFi is online, 4G too.

gagamail [e-mail] schrieb am Fr., 7. Aug. 2020, 08:25:

CoronaApp always shows the same error at the beginning (no connection to
server, reason 2001, I saw ).

@NixAlsVerdruss https://github.com/NixAlsVerdruss It is the same error
than this one #968
https://github.com/corona-warn-app/cwa-app-android/issues/968 ?

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[SonaliDK]

Hi @NixAlsVerdruss ,

Thank you for reporting this issue. As mentioned by @gagamail, this error has been addressed via #968 . Our team is working on it. Therefore, I will close this issue as duplicate and you can follow the issue #968 for further updates.

Best regards,
SD
Corona Warn-App Open Source Team