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fluttercommunity / flutter_downloader

Flutter Downloader - A plugin for creating and managing download tasks.
https://pub.dev/packages/flutter_downloader
BSD 3-Clause "New" or "Revised" License
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java.lang.NullPointerException(DownloadWorker.kt:395) #968

Open slavomirhay opened 3 months ago

slavomirhay commented 3 months ago

Throws when file already exists after enqueue and there was no task for it before. Maybe do something like showDialog AlertDialog or verify file already downloaded or continue downloading if it was only partially downloaded. I can do it but choose an option.

(DownloadWorker.kt:394) val file = createFileInAppSpecificDir(actualFilename!!, savedDir) (DownloadWorker.kt:395) savedFilePath = file!!.path

I/NotificationManager(32113): com.my.stuff.app: notify(31, null, Notification(channel=FLUTTER_DOWNLOADER_NOTIFICATION shortcut=null contentView=null vibrate=null sound=null defaults=0x0 flags=0x18 color=0x00000000 vis=PRIVATE semFlags=0x0 semPriority=0 semMissedCount=0)) as user W/System.err(32113): java.lang.NullPointerException W/System.err(32113): at vn.hunghd.flutterdownloader.DownloadWorker.downloadFile(DownloadWorker.kt:395) W/System.err(32113): at vn.hunghd.flutterdownloader.DownloadWorker.doWork(DownloadWorker.kt:206) W/System.err(32113): at androidx.work.Worker$1.run(Worker.java:82) W/System.err(32113): at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) W/System.err(32113): at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:644) W/System.err(32113): at java.lang.Thread.run(Thread.java:1012) I/WM-WorkerWrapper(32113): Worker result FAILURE for Work [ id=0d66443b-2b46-4c57-be0c-7405e12bf1ac, tags={ vn.hunghd.flutterdownloader.DownloadWorker, flutter_download_task } ] D/ConnectivityManager(32113): StackLog: [android.net.ConnectivityManager.unregisterNetworkCallback(ConnectivityManager.java:5076)] [androidx.work.impl.utils.NetworkApi21.unregisterNetworkCallbackCompat(NetworkApi21.kt:31)] [androidx.work.impl.constraints.trackers.NetworkStateTracker24.stopTracking(NetworkStateTracker.kt:153)] [androidx.work.impl.constraints.trackers.ConstraintTracker.removeListener(ConstraintTracker.kt:72)] [androidx.work.impl.constraints.controllers.ConstraintController$track$1$1.invoke(ContraintControllers.kt:56)] [androidx.work.impl.constraints.controllers.ConstraintController$track$1$1.invoke(ContraintControllers.kt:55)] [kotlinx.coroutines.channels.ProduceKt.awaitClose(Produce.kt:54)] [kotlinx.coroutines.channels.ProduceKt$awaitClose$1.invokeSuspend(Unknown Source:13)] [kotlin.coroutines.jvm.internal.BaseContinuationImpl.resumeWith(ContinuationImpl.kt:33)] [kotlinx.coroutines.DispatchedTask.run(DispatchedTask.kt:106)] [androidx.work.impl.utils.SerialExecutorImpl$Task.run(SerialExecutorImpl.java:96)] [java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)] [java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:644)] [java.lang.Thread.run(Thread.java:1012)]

jadroid92 commented 2 months ago

Any update ?

java.lang.NullPointerException vn.hunghd.flutterdownloader.DownloadWorker.downloadFile(DownloadWorker.kt:395) vn.hunghd.flutterdownloader.DownloadWorker.doWork(DownloadWorker.kt:206) androidx.work.Worker$1.run(Worker.java:86) java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:644) java.lang.Thread.run(Thread.java:1012) Worker result FAILURE for Work [ id=27b8335d-b42d-4736-a76d-2c496b9f131c, tags={ flutter_download_task, vn.hunghd.flutterdownloader.DownloadWorker } ]

SteelTitan247 commented 2 months ago

I faced the same issue, I had to modify those functions and insert them in try/catch to not break.