IssueTracker

Component used: WorkManager
Version used: 1.0.0-beta03
Devices/Android versions reproduced on: couldn't reproduce

Fatal Exception: java.lang.NullPointerException: Attempt to invoke virtual method 'boolean android.os.PowerManager$WakeLock.isHeld()' on a null object reference
       at androidx.work.impl.utils.WakeLocks.checkWakeLocks(WakeLocks.java:89)
       at androidx.work.impl.background.systemalarm.SystemAlarmService.onAllCommandsCompleted(SystemAlarmService.java:69)
       at androidx.work.impl.background.systemalarm.SystemAlarmDispatcher.dequeueAndCheckForCompletion(SystemAlarmDispatcher.java:217)
       at androidx.work.impl.background.systemalarm.SystemAlarmDispatcher$DequeueAndCheckForCompletion.run(SystemAlarmDispatcher.java:317)
       at android.os.Handler.handleCallback(Handler.java:810)
       at android.os.Handler.dispatchMessage(Handler.java:99)
       at android.os.Looper.loop(Looper.java:189)
       at android.app.ActivityThread.main(ActivityThread.java:5529)
       at java.lang.reflect.Method.invoke(Method.java)
       at java.lang.reflect.Method.invoke(Method.java:372)
       at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:950)
       at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:745)



Seems like the copy of wake locks can contain null keys. I couldn't reproduce this, but some devices on crashlytics are reporting this crash.