TeamAmaze / TeamAmaze/AmazeFileManager
ConcurrentModificationException on MainFragment
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- Dominant language
- Kotlin
- Stars
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- Forks
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- Avg merge
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- Merged PRs (30d)
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Description
Issue explanation (write below this line)
Exception
- App Name: Amaze File Manager
- Package: com.amaze.filemanager
- Version: 3.6.3
- User Action: UI Error
- Request: Application crash
- OS: Linux Android 10 - 29
- Device: joan
- Model: LG-US998
- Product: joan_global_com
Crash log
java.lang.RuntimeException: An error occurred while executing doInBackground()
at android.os.AsyncTask$4.done(AsyncTask.java:399)
at java.util.concurrent.FutureTask.finishCompletion(FutureTask.java:383)
at java.util.concurrent.FutureTask.setException(FutureTask.java:252)
at java.util.concurrent.FutureTask.run(FutureTask.java:271)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1167)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
at java.lang.Thread.run(Thread.java:919)
Caused by: java.util.ConcurrentModificationException
at java.util.ArrayList.sort(ArrayList.java:1472)
at java.util.Collections.sort(Collections.java:206)
at com.amaze.filemanager.ui.fragments.MainFragment$5.doInBackground(MainFragment.java:1822)
at com.amaze.filemanager.ui.fragments.MainFragment$5.doInBackground(MainFragment.java:1819)
at android.os.AsyncTask$3.call(AsyncTask.java:378)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
... 3 more
Reporter: ShapeShifter499
Contributor guide
First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Start in MainFragment.java around lines 1819-1822, where the AsyncTask background work sorts the list reported in the crash. Trace how that list is accessed during the UI error and validate that the reported ConcurrentModificationException no longer occurs during the affected action.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- android, java, kotlin
- Domain
- mobile
- Issue type
- Bug
- Difficulty
- 3/5
- Estimated time
- 1-2 days
- Activity status
- Stale
- Clarity
- Needs clarification
- Newbie friendliness
- 35/100