An error occurred

[alrodgir]

Priority/Impact

None

Description

Description

when i'm trying to login in my Wger installation. On a Proxmox server with a Cloudflare tunnel.
IT works fine during months, i don't know ifbthe Last upgrade braek my installation 🤷‍♂️

Error details

Error title: An error occurred
Error message: FormatException: Unexpected end of input (at character 1)

^

Stack trace:

#0      _ChunkedJsonParser.fail (dart:convert-patch/convert_patch.dart:1467)
#1      _ChunkedJsonParser.close (dart:convert-patch/convert_patch.dart:497)
#2      _parseJson (dart:convert-patch/convert_patch.dart:36)
#3      JsonDecoder.convert (dart:convert/json.dart:641)
#4      JsonCodec.decode (dart:convert/json.dart:223)
#5      AuthProvider.login (package:wger/providers/auth.dart:182)
<asynchronous suspension>
#6      _AuthCardState._submit (package:wger/screens/auth_screen.dart:184)
<asynchronous suspension>

App logs (last 6 entries):

2026-04-13T18:32:59.847017 INFO [AuthProvider] autologin failed, no saved user data
2026-04-13T18:32:59.853040 INFO [AuthProvider] autologin failed, no saved user data
2026-04-13T18:33:52.809813 SEVERE [main] Error caught by PlatformDispatcher.instance.onError: FormatException: Unexpected end of input (at character 1)

^

2026-04-13T18:33:52.810189 SEVERE [main] Stack trace: #0      _ChunkedJsonParser.fail (dart:convert-patch/convert_patch.dart:1467)
#1      _ChunkedJsonParser.close (dart:convert-patch/convert_patch.dart:497)
#2      _parseJson (dart:convert-patch/convert_patch.dart:36)
#3      JsonDecoder.convert (dart:convert/json.dart:641)
#4      JsonCodec.decode (dart:convert/json.dart:223)
#5      AuthProvider.login (package:wger/providers/auth.dart:182)
<asynchronous suspension>
#6      _AuthCardState._submit (package:wger/screens/auth_screen.dart:184)
<asynchronous suspension>

2026-04-13T18:34:12.790162 SEVERE [main] Error caught by PlatformDispatcher.instance.onError: FormatException: Unexpected end of input (at character 1)

^

2026-04-13T18:34:12.790438 SEVERE [main] Stack trace: #0      _ChunkedJsonParser.fail (dart:convert-patch/convert_patch.dart:1467)
#1      _ChunkedJsonParser.close (dart:convert-patch/convert_patch.dart:497)
#2      _parseJson (dart:convert-patch/convert_patch.dart:36)
#3      JsonDecoder.convert (dart:convert/json.dart:641)
#4      JsonCodec.decode (dart:convert/json.dart:223)
#5      AuthProvider.login (package:wger/providers/auth.dart:182)
<asynchronous suspension>
#6      _AuthCardState._submit (package:wger/screens/auth_screen.dart:184)
<asynchronous suspension>

Server version

No response

Mobile app version

No response

[alrodgir]

I observe the issue only fails in iOS, last versi´-on os iOS (26.3.1(a)) and wger app (1.10.1)

[rolandgeider]

hey! From the traceback it seems the json decoder is chocking on something. Can you check if the API is reachable and doesn't return some (HTML) error message?

[alrodgir]

I don't know how to do that, sorry but I'm a 'default user' :(

[rolandgeider]

haha, don't worry. Can you access <your-server>/api/v2/login ?

[alrodgir]

yes I can, I can login in a computer without any problem, and work with the app.
The only problem is with IOs