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java.lang.NullPointerException #37

tianxiaogu opened this Issue Nov 4, 2017 · 0 comments


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tianxiaogu commented Nov 4, 2017

Version: v4.2 from F-Droid

Found on an Android Studio emulator and can be reproduced on Nexus 5 (Android 6.0.1)

This exception happens when you click the bookmark button during loading a new chapter.


Following instructions at

  1. Open
  2. Click Start button to adjust the view.
  3. Type 251 and click Select, click the highlighted event in the timeline. You will see a picture of the screenshot below.
    • The reproduce steps start at 251 and end at 256
    • Use Move Right or drag the timeline to move right.
// CRASH: org.nv95.openmanga (pid 14944) (elapsed nanos: 41896714105018)
// Short Msg: java.lang.NullPointerException
// Long Msg: java.lang.NullPointerException: Attempt to invoke virtual method 'void' on a null object reference
// Build Label: Android/sdk_google_phone_x86/generic_x86:6.0/MASTER/4088240:userdebug/test-keys
// Build Changelist: 4088240
// Build Time: 1497047463000
// java.lang.NullPointerException: Attempt to invoke virtual method 'void' on a null object reference
// 	at org.nv95.openmanga.utils.StorageUtils.copyThumbnail(
// 	at org.nv95.openmanga.providers.BookmarksProvider.add(
// 	at org.nv95.openmanga.activities.ReadActivity2.onActionClick(
// 	at org.nv95.openmanga.components.ReaderMenu.onClick(
// 	at android.view.View.performClick(
// 	at android.view.View$
// 	at android.os.Handler.handleCallback(
// 	at android.os.Handler.dispatchMessage(
// 	at android.os.Looper.loop(
// 	at
// 	at java.lang.reflect.Method.invoke(Native Method)
// 	at$
// 	at
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