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Notes throws error upon first configuration if ShareAPI is disabled #2815
Description
This issue respects the following points:
- I have read the FAQ
- I have searched for existing issues
- The issue affects the Notes Android app, neither the Notes server app nor the Nextcloud Android app.
Describe the bug
I have recently bought a new phone and I am setting up like my old one. I had Nextcloud and Notes working on my old phone. However, when setting up Notes on my new phone, I get an error.
- Install Nextcloud App
- Set up Account on Nextcloud App
- Install Notes App
- Open App
- Klick "Select Account"
- Select Account
- Klick "OK"
- Allow account access
- Error message
Expected behavior
Notes from Nextcloud instances get loaded. This has worked with the same Notes/Nextcloud/App version combination on my old phone previously.
Notes Android version
4.4.2
Notes server version
4.12.3
Nextcloud Android version
3.32.3
Nextcloud version
31.0.8
Device
Google Pixel 10 Pro
Android Version
16
App Store
- Google Play Store
- F-Droid
- Huawei App Gallery
Stacktrace
App Version: 4.4.2
App Version Code: 40040290
App Flavor: fdroid
Files App Version Code: 30320390 (PROD)
---
OS Version: 6.6.82-android15-8-gd4aed7ed470e-ab13759939-4k(13955164)
OS API Level: 36
Device: blazer
Manufacturer: Google
Model (and Product): Pixel 10 Pro (blazer)
---
java.lang.NullPointerException: Attempt to invoke virtual method 'com.google.gson.JsonPrimitive com.google.gson.JsonObject.getAsJsonPrimitive(java.lang.String)' on a null object reference
at it.niedermann.owncloud.notes.persistence.sync.CapabilitiesDeserializer.deserialize(CapabilitiesDeserializer.java:75)
at it.niedermann.owncloud.notes.persistence.sync.CapabilitiesDeserializer.deserialize(CapabilitiesDeserializer.java:32)
at com.google.gson.internal.bind.TreeTypeAdapter.read(TreeTypeAdapter.java:95)
at com.google.gson.internal.bind.ReflectiveTypeAdapterFactory$2.readIntoField(ReflectiveTypeAdapterFactory.java:271)
at com.google.gson.internal.bind.ReflectiveTypeAdapterFactory$FieldReflectionAdapter.readField(ReflectiveTypeAdapterFactory.java:561)
at com.google.gson.internal.bind.ReflectiveTypeAdapterFactory$Adapter.read(ReflectiveTypeAdapterFactory.java:519)
at com.google.gson.internal.bind.ReflectiveTypeAdapterFactory$2.readIntoField(ReflectiveTypeAdapterFactory.java:271)
at com.google.gson.internal.bind.ReflectiveTypeAdapterFactory$FieldReflectionAdapter.readField(ReflectiveTypeAdapterFactory.java:561)
at com.google.gson.internal.bind.ReflectiveTypeAdapterFactory$Adapter.read(ReflectiveTypeAdapterFactory.java:519)
at com.google.gson.Gson.fromJson(Gson.java:1359)
at com.google.gson.Gson.fromJson(Gson.java:1260)
at com.google.gson.Gson.fromJson(Gson.java:1228)
at com.nextcloud.android.sso.api.NextcloudAPI.convertStreamToTargetEntity(NextcloudAPI.java:136)
at com.nextcloud.android.sso.api.NextcloudAPI.lambda$performRequestObservableV2$0(NextcloudAPI.java:98)
at com.nextcloud.android.sso.api.NextcloudAPI.$r8$lambda$af7W9mq2B0ZrhVJwZd-ibFp8T3Y(Unknown Source:0)
at com.nextcloud.android.sso.api.NextcloudAPI$$ExternalSyntheticLambda1.subscribe(D8$$SyntheticClass:0)
at io.reactivex.internal.operators.observable.ObservableFromPublisher.subscribeActual(ObservableFromPublisher.java:31)
at io.reactivex.Observable.subscribe(Observable.java:12284)
at io.reactivex.internal.operators.observable.ObservableSingleMaybe.subscribeActual(ObservableSingleMaybe.java:31)
at io.reactivex.Maybe.subscribe(Maybe.java:4290)
at io.reactivex.Maybe.blockingGet(Maybe.java:2320)
at io.reactivex.Observable.blockingSingle(Observable.java:5381)
at it.niedermann.owncloud.notes.persistence.CapabilitiesClient.getCapabilities(CapabilitiesClient.java:38)
at it.niedermann.owncloud.notes.importaccount.ImportAccountActivity.lambda$onActivityResult$5(ImportAccountActivity.java:103)
at it.niedermann.owncloud.notes.importaccount.ImportAccountActivity.$r8$lambda$wIJzzcgrzM9d6k7exwdLMn3GvgQ(Unknown Source:0)
at it.niedermann.owncloud.notes.importaccount.ImportAccountActivity$$ExternalSyntheticLambda4.run(D8$$SyntheticClass:0)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:524)
at java.util.concurrent.FutureTask.run(FutureTask.java:317)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1156)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:651)
at
java.lang.Thread.run(Thread.java:1119)
Activity
joshtrichards commentedon Sep 8, 2025
I wouldn't expect this unless the response from the server is malformed or, perhaps, the ShareAPI on the server is disabled.
Is public share link password enforcement on or off on the server?
goddib commentedon Sep 8, 2025
Hi @joshtrichards, I can confirm that the public share API was disabled and enabling is fixed the issue.
It seems that some time over the last few months in an attempt to harden my installation I had disabled it. However, the notes android app on my previous phone had kept working, only enabling a new notes android app did not work without the API.
Thank you for your help!
[-]Notes throws error upon first configuration despite web and nextcloud App OK[/-][+]Notes throws error upon first configuration if ShareAPI is disabled [/+]joshtrichards commentedon Sep 9, 2025
Glad it was something simple-ish on your end. I'll keep this open here since that should still be handled better. Thanks for the report!
leper commentedon Sep 10, 2025
This is a duplicate of #2733, which was fixed by #2803, but has not made it into a new release yet.