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NPE: Attempt to invoke virtual method 'java.lang.String com.owncloud.android.datamodel.OCFile.getEtag()' via checkForChanges聽#13784

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NPE: Attempt to invoke virtual method 'java.lang.String com.owncloud.android.datamodel.OCFile.getEtag()' via checkForChanges#13784
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alperozturk96
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bugfeature: syncperformance: NPE 馃毇NullPointerException / Null Pointer Exceptionstable-3.30

Description

@acress1
acress1
opened on Oct 14, 2024

Hi,
I've got this error message in the Android app:

Cause of error

Exception in thread "Syncfolder thread" java.lang.NullPointerException: Attempt to invoke virtual method 'java.lang.String com.owncloud.android.datamodel.OCFile.getEtag()' on a null object reference
    at com.owncloud.android.operations.SynchronizeFolderOperation.checkForChanges(SynchronizeFolderOperation.java:169)
    at com.owncloud.android.operations.SynchronizeFolderOperation.run(SynchronizeFolderOperation.java:127)
    at com.owncloud.android.lib.common.operations.RemoteOperation.execute(RemoteOperation.java:193)
    at com.owncloud.android.services.SyncFolderHandler.doOperation(SyncFolderHandler.java:106)
    at com.owncloud.android.services.SyncFolderHandler.handleMessage(SyncFolderHandler.java:79)
    at android.os.Handler.dispatchMessage(Handler.java:107)
    at android.os.Looper.loopOnce(Looper.java:232)
    at android.os.Looper.loop(Looper.java:317)
    at android.os.HandlerThread.run(HandlerThread.java:85)

App information

  • ID: com.nextcloud.client
  • Version: 30300190
  • Build flavor: generic

Device information

  • Brand: OnePlus
  • Device: OnePlus5T
  • Model: ONEPLUS A5010
  • Id: AP2A.240905.003
  • Product: OnePlus5T

Firmware

  • SDK: 34
  • Release: 14
  • Incremental: 0c7a9b4c4c

Activity

  1. joshtrichards
    added
    bug
    performance: NPE 馃毇NullPointerException / Null Pointer Exception
    stable-3.30
    on Oct 15, 2024
  2. joshtrichards
    changed the title [-]Error on Nextcloud Android app[/-] [+]NPE: `Attempt to invoke virtual method 'java.lang.String com.owncloud.android.datamodel.OCFile.getEtag()'` via `checkForChanges`[/+] on Oct 15, 2024

  3. z3ntu commented on Oct 18, 2024

    @z3ntu
    z3ntu
    on Oct 18, 2024

    Also just saw this crash on the same version, while trying to stop #13738

  4. joshtrichards
    added
    feature: sync
    on Oct 19, 2024

  5. strugee commented on Nov 1, 2024

    @strugee
    strugee
    on Nov 1, 2024
    Member

    I've just hit this on version 30300290. It happened literally while I was removing entries from the "internal 2-way sync" section in the app settings.

  6. AndyScherzinger commented on Nov 1, 2024

    @AndyScherzinger
    AndyScherzinger
    on Nov 1, 2024
    Member

    CC @alperozturk96

  7. alperozturk96
    self-assigned this
    on Nov 4, 2024
  8. alperozturk96
    linked a pull request that will close this issueCheck Nullable Fields During Folder Changes Check #13937on Nov 4, 2024

  9. stilley2 commented on Nov 13, 2024

    @stilley2
    stilley2
    on Nov 13, 2024

    Seeing this with 3.30.4 as well

  10. joshtrichards
    marked Share image from camera to Nextcloud #14290 as a duplicate of this issue on Jan 7, 2025
  11. joshtrichards
    marked Application won't start #14574 as a duplicate of this issue on Feb 24, 2025
  12. joshtrichards
    marked Synchronisation Crashes #14685 as a duplicate of this issue on Mar 28, 2025

  13. joshtrichards commented on Feb 7, 2026

    @joshtrichards
    joshtrichards
    on Feb 7, 2026
    Member

    Fixed in #16374

  14. joshtrichards
    closed this as completedon Feb 7, 2026
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bugfeature: syncperformance: NPE 馃毇NullPointerException / Null Pointer Exceptionstable-3.30

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