java.util.concurrent.RejectedExecutionException while showing native ads

Question

I'm showing native ads from audience network in my feed. I'm getting crash below. Anyone knows how to solve it what cause this?

Fatal Exception: java.util.concurrent.RejectedExecutionException: Task android.os.AsyncTask$3@2c45c538 rejected from java.util.concurrent.ThreadPoolExecutor@1d1c3911[Running, pool size = 9, active threads = 9, queued tasks = 128, completed tasks = 757] at java.util.concurrent.ThreadPoolExecutor$AbortPolicy.rejectedExecution(ThreadPoolExecutor.java:2011) at java.util.concurrent.ThreadPoolExecutor.reject(ThreadPoolExecutor.java:793) at java.util.concurrent.ThreadPoolExecutor.execute(ThreadPoolExecutor.java:1339) at android.os.AsyncTask.executeOnExecutor(AsyncTask.java:594) at com.facebook.ads.internal.util.g.a(Unknown Source) at com.facebook.ads.internal.e.d.a(Unknown Source) at com.facebook.ads.internal.e.d.a(Unknown Source) at com.facebook.ads.internal.g.g.a(Unknown Source) at com.facebook.ads.internal.g.g.c(Unknown Source) at com.facebook.ads.internal.util.ak.j(Unknown Source) at com.facebook.ads.internal.util.ad$6.a(Unknown Source) at com.facebook.ads.internal.util.ad$6.a(Unknown Source) at com.facebook.ads.internal.g.r.b(Unknown Source) at com.facebook.ads.internal.g.r.a(Unknown Source) at com.facebook.ads.internal.view.o.a(Unknown Source) at com.facebook.ads.internal.view.d.c.b.setVideoState(Unknown Source) at com.facebook.ads.internal.view.d.c.b.onCompletion(Unknown Source) at android.media.MediaPlayer$EventHandler.handleMessage(MediaPlayer.java:3392) at android.os.Handler.dispatchMessage(Handler.java:102) at android.os.Looper.loop(Looper.java:145) at android.app.ActivityThread.main(ActivityThread.java:7007) 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:1404) at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1199)

Answer 1

Your code, and the code in your libraries, are starting too many simultaneous AsyncTask instances. The default ThreadPoolExecutor has a 128-element queue, to go along with the instances that are executing. You have exceeded the capacity of this queue.