Hacktoberfest 2026: le issue che i maintainer hanno segnato per ottobre, aperte e adatte ai principianti. Sfoglia le issue Hacktoberfest

Synchronization failed due to attempting to invoke virtual method on a null object

Aperta
#3,205 1 commento 0 reazioni 0 assegnatari Vedi su GitHub

I maintainer di solito rispondono entro 1 giorno

Nessuno ha ancora preso questa issue.

Valutazione

Difficoltà
4/5
Tempo stimato
3-5 giorni
Idoneità per principianti
35/100
Tipo di issue
Bug
Chiarezza
Da chiarire
Stato di attività
Tranquilla
Stack tecnologico
android, java
Ambito
mobile

Direzione di ricerca

Inizia da NotesServerSyncTask.java in run (righe 99-101), pushLocalChanges (130 e 150) e pullRemoteChanges (229), quindi segui le chiamate indicate fino a AidlNetworkRequest.waitForApi. Riproduci la sincronizzazione sul dispositivo Android 8.1 indicato o in una configurazione equivalente e determina perché il contesto è null. Il lavoro è completato quando la sincronizzazione non fallisce più con questa eccezione.

Scritto dal modello di indicizzazione a partire dal testo della issue.

Descrizione

0. Needs triage bug
This issue respects the following points:
Describe the bug

On one of my devices I can't synchronize the notes due to an error.

Expected behavior

No synchronization

Notes Android version

33.1.0

Notes server version

5.0

Nextcloud Android version

33.1.1

Nextcloud version

33.0.3

Device

Samsung Galaxy Tab A

Android Version

8.1

App Store
  • Google Play Store
  • F-Droid
  • Huawei App Gallery
Stacktrace
App Version: 33.1.0
App Version Code: 330010090
App Flavor: play

Files App Version Code: 30340190 (PROD)

---

OS Version: 3.18.14-15260192(T580XXS5CTK1)
OS API Level: 27
Device: gtaxlwifi
Manufacturer: samsung
Model (and Product): SM-T580 (gtaxlwifixx)

---

java.lang.Exception: Attempt to invoke virtual method 'java.lang.String android.content.Context.getString(int)' on a null object reference[com.nextcloud.android.sso.api.AidlNetworkRequest.waitForApi(AidlNetworkRequest.java:153), com.nextcloud.android.sso.api.AidlNetworkRequest.performAidlNetworkRequestV2(AidlNetworkRequest.java:208), com.nextcloud.android.sso.api.AidlNetworkRequest.performNetworkRequestV2(AidlNetworkRequest.java:171), com.nextcloud.android.sso.api.NextcloudAPI.performNetworkRequestV2(NextcloudAPI.java:159), com.nextcloud.android.sso.helper.Retrofit2Helper$1.execute(Retrofit2Helper.java:53), it.niedermann.owncloud.notes.persistence.NotesServerSyncTask.pushLocalChanges(NotesServerSyncTask.java:130), it.niedermann.owncloud.notes.persistence.NotesServerSyncTask.run(NotesServerSyncTask.java:99), java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:457), java.util.concurrent.FutureTask.run(FutureTask.java:266), java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1162), java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:636), java.lang.Thread.run(Thread.java:764)]
	at it.niedermann.owncloud.notes.persistence.NotesServerSyncTask.pushLocalChanges(NotesServerSyncTask.java:150)
	at it.niedermann.owncloud.notes.persistence.NotesServerSyncTask.run(NotesServerSyncTask.java:99)
	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:457)
	at java.util.concurrent.FutureTask.run(FutureTask.java:266)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1162)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:636)
	at java.lang.Thread.run(Thread.java:764)


java.lang.NullPointerException: Attempt to invoke virtual method 'java.lang.String android.content.Context.getString(int)' on a null object reference
	at com.nextcloud.android.sso.api.AidlNetworkRequest.waitForApi(AidlNetworkRequest.java:153)
	at com.nextcloud.android.sso.api.AidlNetworkRequest.performAidlNetworkRequestV2(AidlNetworkRequest.java:208)
	at com.nextcloud.android.sso.api.AidlNetworkRequest.performNetworkRequestV2(AidlNetworkRequest.java:171)
	at com.nextcloud.android.sso.api.NextcloudAPI.performNetworkRequestV2(NextcloudAPI.java:159)
	at com.nextcloud.android.sso.api.NextcloudAPI.lambda$performRequestObservableV2$0(NextcloudAPI.java:97)
	at com.nextcloud.android.sso.api.NextcloudAPI.$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.NotesServerSyncTask.pullRemoteChanges(NotesServerSyncTask.java:229)
	at it.niedermann.owncloud.notes.persistence.NotesServerSyncTask.run(NotesServerSyncTask.java:101)
	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:457)
	at java.util.concurrent.FutureTask.run(FutureTask.java:266)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1162)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:636)
	at java.lang.Thread.run(Thread.java:764)
Lingua principale
Java
Stelle
1.1k
Fork
168
Merge medio
20h 11m
PR unite (30g)
28

Preparare l'ambiente

Come iniziare

  1. Leggi tutta la issue e poi la guida ai contributi del progetto.
  2. Commenta sulla issue per dire che te ne occupi tu — evita che due persone facciano lo stesso lavoro.
  3. Fai un fork del repository e lavora su un branch.
  4. Apri una pull request che faccia riferimento al numero della issue.

Altre issue di nextcloud/notes-android

Tutte le issue di nextcloud/notes-android

Issue simili

Altre issue su Java

Ricevi le nuove issue nella tua casella

Un breve riepilogo di issue GitHub adatte ai principianti.