Skip to content

NPE on OCCapability.getAssistant() #16451

New issue
New issue
Open
#16452
Open
NPE on OCCapability.getAssistant()#16451
#16452
Assignees
alperozturk96
Labels
bug
@cenaaqeel45-web

Description

@cenaaqeel45-web
cenaaqeel45-web
opened on Feb 5, 2026

⚠️ Before posting ⚠️

  • This is a bug, not a question or an enhancement.
  • I've searched for similar issues and didn't find a duplicate.
  • I've written a clear and descriptive title for this issue, not just "Bug" or "Crash".
  • I agree to follow Nextcloud's Code of Conduct.

Steps to reproduce

Cause of error

Exception in thread "main" java.lang.RuntimeException: Unable to start activity ComponentInfo{com.nextcloud.client/com.owncloud.android.ui.activity.FileDisplayActivity}: java.lang.NullPointerException: Attempt to invoke virtual method 'com.owncloud.android.lib.resources.status.CapabilityBooleanType com.owncloud.android.lib.resources.status.OCCapability.getAssistant()' on a null object reference
    at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:4703)
    at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:4932)
    at android.app.servertransaction.LaunchActivityItem.execute(LaunchActivityItem.java:222)
    at android.app.servertransaction.TransactionExecutor.executeNonLifecycleItem(TransactionExecutor.java:136)
    at android.app.servertransaction.TransactionExecutor.executeTransactionItems(TransactionExecutor.java:106)
    at android.app.servertransaction.TransactionExecutor.execute(TransactionExecutor.java:83)
    at android.app.ActivityThread$H.handleMessage(ActivityThread.java:3085)
    at android.os.Handler.dispatchMessage(Handler.java:114)
    at android.os.Looper.loopOnce(Looper.java:267)
    at android.os.Looper.loop(Looper.java:360)
    at android.app.ActivityThread.main(ActivityThread.java:10054)
    at java.lang.reflect.Method.invoke(Native Method)
    at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:616)
    at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1115)
Caused by: Exception in thread "main" java.lang.NullPointerException: Attempt to invoke virtual method 'com.owncloud.android.lib.resources.status.CapabilityBooleanType com.owncloud.android.lib.resources.status.OCCapability.getAssistant()' on a null object reference
    at com.owncloud.android.ui.activity.DrawerActivity.checkAssistantBottomNavigationMenu(DrawerActivity.java:328)
    at com.owncloud.android.ui.activity.DrawerActivity.setupDrawer(DrawerActivity.java:274)
    at com.owncloud.android.ui.activity.FileDisplayActivity.onCreate(FileDisplayActivity.kt:281)
    at android.app.Activity.performCreate(Activity.java:9380)
    at android.app.Activity.performCreate(Activity.java:9323)
    at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1537)
    at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:4685)
    at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:4932)
    at android.app.servertransaction.LaunchActivityItem.execute(LaunchActivityItem.java:222)
    at android.app.servertransaction.TransactionExecutor.executeNonLifecycleItem(TransactionExecutor.java:136)
    at android.app.servertransaction.TransactionExecutor.executeTransactionItems(TransactionExecutor.java:106)
    at android.app.servertransaction.TransactionExecutor.execute(TransactionExecutor.java:83)
    at android.app.ActivityThread$H.handleMessage(ActivityThread.java:3085)
    at android.os.Handler.dispatchMessage(Handler.java:114)
    at android.os.Looper.loopOnce(Looper.java:267)
    at android.os.Looper.loop(Looper.java:360)
    at android.app.ActivityThread.main(ActivityThread.java:10054)
    at java.lang.reflect.Method.invoke(Native Method)
    at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:616)
    at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1115)

App information

  • ID: com.nextcloud.client
  • Version: 30360051
  • Build flavor: generic

Device information

  • Brand: Xiaomi
  • Device: degas
  • Model: 2406APNFAG
  • Id: BP2A.250605.031.A3
  • Product: degas_global

Firmware

  • SDK: 36
  • Release: 16
  • Incremental: OS3.0.3.0.WNEMIXM

Expected behaviour

Cause of error

Exception in thread "main" java.lang.RuntimeException: Unable to start activity ComponentInfo{com.nextcloud.client/com.owncloud.android.ui.activity.FileDisplayActivity}: java.lang.NullPointerException: Attempt to invoke virtual method 'com.owncloud.android.lib.resources.status.CapabilityBooleanType com.owncloud.android.lib.resources.status.OCCapability.getAssistant()' on a null object reference
    at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:4703)
    at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:4932)
    at android.app.servertransaction.LaunchActivityItem.execute(LaunchActivityItem.java:222)
    at android.app.servertransaction.TransactionExecutor.executeNonLifecycleItem(TransactionExecutor.java:136)
    at android.app.servertransaction.TransactionExecutor.executeTransactionItems(TransactionExecutor.java:106)
    at android.app.servertransaction.TransactionExecutor.execute(TransactionExecutor.java:83)
    at android.app.ActivityThread$H.handleMessage(ActivityThread.java:3085)
    at android.os.Handler.dispatchMessage(Handler.java:114)
    at android.os.Looper.loopOnce(Looper.java:267)
    at android.os.Looper.loop(Looper.java:360)
    at android.app.ActivityThread.main(ActivityThread.java:10054)
    at java.lang.reflect.Method.invoke(Native Method)
    at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:616)
    at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1115)
Caused by: Exception in thread "main" java.lang.NullPointerException: Attempt to invoke virtual method 'com.owncloud.android.lib.resources.status.CapabilityBooleanType com.owncloud.android.lib.resources.status.OCCapability.getAssistant()' on a null object reference
    at com.owncloud.android.ui.activity.DrawerActivity.checkAssistantBottomNavigationMenu(DrawerActivity.java:328)
    at com.owncloud.android.ui.activity.DrawerActivity.setupDrawer(DrawerActivity.java:274)
    at com.owncloud.android.ui.activity.FileDisplayActivity.onCreate(FileDisplayActivity.kt:281)
    at android.app.Activity.performCreate(Activity.java:9380)
    at android.app.Activity.performCreate(Activity.java:9323)
    at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1537)
    at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:4685)
    at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:4932)
    at android.app.servertransaction.LaunchActivityItem.execute(LaunchActivityItem.java:222)
    at android.app.servertransaction.TransactionExecutor.executeNonLifecycleItem(TransactionExecutor.java:136)
    at android.app.servertransaction.TransactionExecutor.executeTransactionItems(TransactionExecutor.java:106)
    at android.app.servertransaction.TransactionExecutor.execute(TransactionExecutor.java:83)
    at android.app.ActivityThread$H.handleMessage(ActivityThread.java:3085)
    at android.os.Handler.dispatchMessage(Handler.java:114)
    at android.os.Looper.loopOnce(Looper.java:267)
    at android.os.Looper.loop(Looper.java:360)
    at android.app.ActivityThread.main(ActivityThread.java:10054)
    at java.lang.reflect.Method.invoke(Native Method)
    at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:616)
    at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1115)

App information

  • ID: com.nextcloud.client
  • Version: 30360051
  • Build flavor: generic

Device information

  • Brand: Xiaomi
  • Device: degas
  • Model: 2406APNFAG
  • Id: BP2A.250605.031.A3
  • Product: degas_global

Firmware

  • SDK: 36
  • Release: 16
  • Incremental: OS3.0.3.0.WNEMIXM

Actual behaviour

Cause of error

Exception in thread "main" java.lang.RuntimeException: Unable to start activity ComponentInfo{com.nextcloud.client/com.owncloud.android.ui.activity.FileDisplayActivity}: java.lang.NullPointerException: Attempt to invoke virtual method 'com.owncloud.android.lib.resources.status.CapabilityBooleanType com.owncloud.android.lib.resources.status.OCCapability.getAssistant()' on a null object reference
    at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:4703)
    at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:4932)
    at android.app.servertransaction.LaunchActivityItem.execute(LaunchActivityItem.java:222)
    at android.app.servertransaction.TransactionExecutor.executeNonLifecycleItem(TransactionExecutor.java:136)
    at android.app.servertransaction.TransactionExecutor.executeTransactionItems(TransactionExecutor.java:106)
    at android.app.servertransaction.TransactionExecutor.execute(TransactionExecutor.java:83)
    at android.app.ActivityThread$H.handleMessage(ActivityThread.java:3085)
    at android.os.Handler.dispatchMessage(Handler.java:114)
    at android.os.Looper.loopOnce(Looper.java:267)
    at android.os.Looper.loop(Looper.java:360)
    at android.app.ActivityThread.main(ActivityThread.java:10054)
    at java.lang.reflect.Method.invoke(Native Method)
    at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:616)
    at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1115)
Caused by: Exception in thread "main" java.lang.NullPointerException: Attempt to invoke virtual method 'com.owncloud.android.lib.resources.status.CapabilityBooleanType com.owncloud.android.lib.resources.status.OCCapability.getAssistant()' on a null object reference
    at com.owncloud.android.ui.activity.DrawerActivity.checkAssistantBottomNavigationMenu(DrawerActivity.java:328)
    at com.owncloud.android.ui.activity.DrawerActivity.setupDrawer(DrawerActivity.java:274)
    at com.owncloud.android.ui.activity.FileDisplayActivity.onCreate(FileDisplayActivity.kt:281)
    at android.app.Activity.performCreate(Activity.java:9380)
    at android.app.Activity.performCreate(Activity.java:9323)
    at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1537)
    at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:4685)
    at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:4932)
    at android.app.servertransaction.LaunchActivityItem.execute(LaunchActivityItem.java:222)
    at android.app.servertransaction.TransactionExecutor.executeNonLifecycleItem(TransactionExecutor.java:136)
    at android.app.servertransaction.TransactionExecutor.executeTransactionItems(TransactionExecutor.java:106)
    at android.app.servertransaction.TransactionExecutor.execute(TransactionExecutor.java:83)
    at android.app.ActivityThread$H.handleMessage(ActivityThread.java:3085)
    at android.os.Handler.dispatchMessage(Handler.java:114)
    at android.os.Looper.loopOnce(Looper.java:267)
    at android.os.Looper.loop(Looper.java:360)
    at android.app.ActivityThread.main(ActivityThread.java:10054)
    at java.lang.reflect.Method.invoke(Native Method)
    at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:616)
    at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1115)

App information

  • ID: com.nextcloud.client
  • Version: 30360051
  • Build flavor: generic

Device information

  • Brand: Xiaomi
  • Device: degas
  • Model: 2406APNFAG
  • Id: BP2A.250605.031.A3
  • Product: degas_global

Firmware

  • SDK: 36
  • Release: 16
  • Incremental: OS3.0.3.0.WNEMIXM

Android version

16

Device brand and model

Xiaomi

Stock or custom OS?

Stock

Nextcloud android app version

All

Nextcloud server version

8

Using a reverse proxy?

I don't know

Android logs

Cause of error

Exception in thread "main" java.lang.RuntimeException: Unable to start activity ComponentInfo{com.nextcloud.client/com.owncloud.android.ui.activity.FileDisplayActivity}: java.lang.NullPointerException: Attempt to invoke virtual method 'com.owncloud.android.lib.resources.status.CapabilityBooleanType com.owncloud.android.lib.resources.status.OCCapability.getAssistant()' on a null object reference
    at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:4703)
    at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:4932)
    at android.app.servertransaction.LaunchActivityItem.execute(LaunchActivityItem.java:222)
    at android.app.servertransaction.TransactionExecutor.executeNonLifecycleItem(TransactionExecutor.java:136)
    at android.app.servertransaction.TransactionExecutor.executeTransactionItems(TransactionExecutor.java:106)
    at android.app.servertransaction.TransactionExecutor.execute(TransactionExecutor.java:83)
    at android.app.ActivityThread$H.handleMessage(ActivityThread.java:3085)
    at android.os.Handler.dispatchMessage(Handler.java:114)
    at android.os.Looper.loopOnce(Looper.java:267)
    at android.os.Looper.loop(Looper.java:360)
    at android.app.ActivityThread.main(ActivityThread.java:10054)
    at java.lang.reflect.Method.invoke(Native Method)
    at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:616)
    at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1115)
Caused by: Exception in thread "main" java.lang.NullPointerException: Attempt to invoke virtual method 'com.owncloud.android.lib.resources.status.CapabilityBooleanType com.owncloud.android.lib.resources.status.OCCapability.getAssistant()' on a null object reference
    at com.owncloud.android.ui.activity.DrawerActivity.checkAssistantBottomNavigationMenu(DrawerActivity.java:328)
    at com.owncloud.android.ui.activity.DrawerActivity.setupDrawer(DrawerActivity.java:274)
    at com.owncloud.android.ui.activity.FileDisplayActivity.onCreate(FileDisplayActivity.kt:281)
    at android.app.Activity.performCreate(Activity.java:9380)
    at android.app.Activity.performCreate(Activity.java:9323)
    at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1537)
    at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:4685)
    at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:4932)
    at android.app.servertransaction.LaunchActivityItem.execute(LaunchActivityItem.java:222)
    at android.app.servertransaction.TransactionExecutor.executeNonLifecycleItem(TransactionExecutor.java:136)
    at android.app.servertransaction.TransactionExecutor.executeTransactionItems(TransactionExecutor.java:106)
    at android.app.servertransaction.TransactionExecutor.execute(TransactionExecutor.java:83)
    at android.app.ActivityThread$H.handleMessage(ActivityThread.java:3085)
    at android.os.Handler.dispatchMessage(Handler.java:114)
    at android.os.Looper.loopOnce(Looper.java:267)
    at android.os.Looper.loop(Looper.java:360)
    at android.app.ActivityThread.main(ActivityThread.java:10054)
    at java.lang.reflect.Method.invoke(Native Method)
    at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:616)
    at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1115)

App information

  • ID: com.nextcloud.client
  • Version: 30360051
  • Build flavor: generic

Device information

  • Brand: Xiaomi
  • Device: degas
  • Model: 2406APNFAG
  • Id: BP2A.250605.031.A3
  • Product: degas_global

Firmware

  • SDK: 36
  • Release: 16
  • Incremental: OS3.0.3.0.WNEMIXM

Server error logs



Additional information


No response
Metadata
Metadata
Assignees
Labels
bug
Type
No type
Projects
No projects
Milestone
No milestone
Relationships
None yet
Development
No branches or pull requests
Issue actions