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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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acress1 opened this issue Oct 14, 2024 · 3 comments · May be fixed by #13937
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NPE: Attempt to invoke virtual method 'java.lang.String com.owncloud.android.datamodel.OCFile.getEtag()' via checkForChanges #13784

acress1 opened this issue Oct 14, 2024 · 3 comments · May be fixed by #13937
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@alperozturk96
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bug feature: sync performance: NPE 🚫 NullPointerException / Null Pointer Exception stable-3.30

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@acress1
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acress1 commented 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
@joshtrichards joshtrichards added bug performance: NPE 🚫 NullPointerException / Null Pointer Exception stable-3.30 labels Oct 15, 2024
@joshtrichards 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 Oct 15, 2024
@z3ntu
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z3ntu commented Oct 18, 2024

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

This was referenced Oct 19, 2024
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@joshtrichards joshtrichards mentioned this issue Oct 30, 2024
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@strugee
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strugee commented Nov 1, 2024 •
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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.

@AndyScherzinger
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CC @alperozturk96

@alperozturk96 alperozturk96 self-assigned this Nov 4, 2024
@alperozturk96 alperozturk96 linked a pull request Nov 4, 2024 that will close this issue
Check Nullable Fields During Folder Changes Check #13937
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bug feature: sync performance: NPE 🚫 NullPointerException / Null Pointer Exception stable-3.30
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Check Nullable Fields During Folder Changes Check nextcloud/android
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@strugee @AndyScherzinger @joshtrichards @z3ntu @alperozturk96 @acress1