IssueTracker

We have same issue.

Version used: WorkManager 2.1.0-alpha01
Devices/Android versions reproduced on:  mostly Android 5 & 6

Fatal Exception: java.lang.RuntimeException: Error receiving broadcast Intent { act=android.net.conn.CONNECTIVITY_CHANGE flg=0x4000010 (has extras) } in androidx.work.impl.constraints.trackers.NetworkStateTracker$NetworkStateBroadcastReceiver@c5142c8
       at android.app.LoadedApk$ReceiverDispatcher$Args.run(LoadedApk.java:876)
       at android.os.Handler.handleCallback(Handler.java:739)
       at android.os.Handler.dispatchMessage(Handler.java:95)
       at android.os.Looper.loop(Looper.java:135)
       at android.app.ActivityThread.main(ActivityThread.java:5254)
       at java.lang.reflect.Method.invoke(Method.java)
       at java.lang.reflect.Method.invoke(Method.java:372)
       at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:902)
       at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:697)
Caused by java.util.concurrent.RejectedExecutionException: Task java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask@64a6d62 rejected from java.util.concurrent.ScheduledThreadPoolExecutor@16d09ef3[Terminated, pool size = 0, active threads = 0, queued tasks = 0, completed tasks = 0]
       at java.util.concurrent.ThreadPoolExecutor$AbortPolicy.rejectedExecution(ThreadPoolExecutor.java:2011)
       at java.util.concurrent.ThreadPoolExecutor.reject(ThreadPoolExecutor.java:793)
       at java.util.concurrent.ScheduledThreadPoolExecutor.delayedExecute(ScheduledThreadPoolExecutor.java:298)
       at java.util.concurrent.ScheduledThreadPoolExecutor.schedule(ScheduledThreadPoolExecutor.java:503)
       at java.util.concurrent.Executors$DelegatedScheduledExecutorService.schedule(Executors.java:644)
       at androidx.work.impl.background.systemalarm.WorkTimer.startTimer(WorkTimer.java:82)
       at androidx.work.impl.background.systemalarm.DelayMetCommandHandler.onAllConstraintsMet(DelayMetCommandHandler.java:100)
       at androidx.work.impl.constraints.WorkConstraintsTracker.onConstraintMet(WorkConstraintsTracker.java:150)
       at androidx.work.impl.constraints.controllers.ConstraintController.updateCallback(ConstraintController.java:134)
       at androidx.work.impl.constraints.controllers.ConstraintController.onConstraintChanged(ConstraintController.java:141)
       at androidx.work.impl.constraints.trackers.ConstraintTracker.setState(ConstraintTracker.java:103)
       at androidx.work.impl.constraints.trackers.NetworkStateTracker$NetworkStateBroadcastReceiver.onReceive(NetworkStateTracker.java:170)
       at android.app.LoadedApk$ReceiverDispatcher$Args.run(LoadedApk.java:866)
       at android.os.Handler.handleCallback(Handler.java:739)
       at android.os.Handler.dispatchMessage(Handler.java:95)
       at android.os.Looper.loop(Looper.java:135)
       at android.app.ActivityThread.main(ActivityThread.java:5254)
       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:902)
       at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:697)