{"action":"created","issue":{"url":"https://api.github.com/repos/ReactiveX/RxJava/issues/4655","repository_url":"https://api.github.com/repos/ReactiveX/RxJava","labels_url":"https://api.github.com/repos/ReactiveX/RxJava/issues/4655/labels{/name}","comments_url":"https://api.github.com/repos/ReactiveX/RxJava/issues/4655/comments","events_url":"https://api.github.com/repos/ReactiveX/RxJava/issues/4655/events","html_url":"https://github.com/ReactiveX/RxJava/issues/4655","id":180451096,"number":4655,"title":"Exception in RxJava and cannot debug the root cause","user":{"login":"masterlittle","id":13149023,"avatar_url":"https://avatars.githubusercontent.com/u/13149023?v=3","gravatar_id":"","url":"https://api.github.com/users/masterlittle","html_url":"https://github.com/masterlittle","followers_url":"https://api.github.com/users/masterlittle/followers","following_url":"https://api.github.com/users/masterlittle/following{/other_user}","gists_url":"https://api.github.com/users/masterlittle/gists{/gist_id}","starred_url":"https://api.github.com/users/masterlittle/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/masterlittle/subscriptions","organizations_url":"https://api.github.com/users/masterlittle/orgs","repos_url":"https://api.github.com/users/masterlittle/repos","events_url":"https://api.github.com/users/masterlittle/events{/privacy}","received_events_url":"https://api.github.com/users/masterlittle/received_events","type":"User","site_admin":false},"labels":[{"url":"https://api.github.com/repos/ReactiveX/RxJava/labels/Android","name":"Android","color":"A4C639"},{"url":"https://api.github.com/repos/ReactiveX/RxJava/labels/Question","name":"Question","color":"cc317c"}],"state":"open","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":15,"created_at":"2016-10-01T11:05:27Z","updated_at":"2016-10-05T11:53:09Z","closed_at":null,"body":"I am getting this exception in my app. There is just one timer in the whole app and I have applied BackPressureDrop just after interval() and am logging the error in my subscribers' onError() but this crash keeps on repeating. Please help!!\r\n\r\n```\r\nFatal Exception: java.lang.IllegalStateException: Exception thrown on Scheduler.Worker thread. Add `onError` handling.\r\n       at rx.internal.schedulers.ScheduledAction.run(ScheduledAction.java:60)\r\n       at android.os.Handler.handleCallback(Handler.java:808)\r\n       at android.os.Handler.dispatchMessage(Handler.java:103)\r\n       at android.os.Looper.loop(Looper.java:193)\r\n       at android.app.ActivityThread.main(ActivityThread.java:5300)\r\n       at java.lang.reflect.Method.invokeNative(Method.java)\r\n       at java.lang.reflect.Method.invoke(Method.java:515)\r\n       at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:830)\r\n       at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:646)\r\n       at dalvik.system.NativeStart.main(NativeStart.java)\r\nCaused by rx.exceptions.OnErrorNotImplementedException\r\n       at rx.internal.util.InternalObservableUtils$ErrorNotImplementedAction.call(InternalObservableUtils.java:386)\r\n       at rx.internal.util.InternalObservableUtils$ErrorNotImplementedAction.call(InternalObservableUtils.java:383)\r\n       at rx.internal.util.ActionSubscriber.onError(ActionSubscriber.java:44)\r\n       at rx.observers.SafeSubscriber._onError(SafeSubscriber.java:157)\r\n       at rx.observers.SafeSubscriber.onError(SafeSubscriber.java:120)\r\n       at rx.internal.operators.OperatorObserveOn$ObserveOnSubscriber.checkTerminated(OperatorObserveOn.java:276)\r\n       at rx.internal.operators.OperatorObserveOn$ObserveOnSubscriber.call(OperatorObserveOn.java:219)\r\n       at rx.internal.schedulers.ScheduledAction.run(ScheduledAction.java:55)\r\n       at android.os.Handler.handleCallback(Handler.java:808)\r\n       at android.os.Handler.dispatchMessage(Handler.java:103)\r\n       at android.os.Looper.loop(Looper.java:193)\r\n       at android.app.ActivityThread.main(ActivityThread.java:5300)\r\n       at java.lang.reflect.Method.invokeNative(Method.java)\r\n       at java.lang.reflect.Method.invoke(Method.java:515)\r\n       at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:830)\r\n       at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:646)\r\n       at dalvik.system.NativeStart.main(NativeStart.java)\r\nCaused by rx.exceptions.MissingBackpressureException\r\n       at rx.internal.operators.OperatorObserveOn$ObserveOnSubscriber.onNext(OperatorObserveOn.java:162)\r\n       at rx.internal.operators.OperatorSubscribeOn$1$1.onNext(OperatorSubscribeOn.java:53)\r\n       at rx.internal.operators.OnSubscribeTimerPeriodically$1.call(OnSubscribeTimerPeriodically.java:52)\r\n       at rx.Scheduler$Worker$1.call(Scheduler.java:134)\r\n       at rx.internal.schedulers.EventLoopsScheduler$EventLoopWorker$2.call(EventLoopsScheduler.java:187)\r\n       at rx.internal.schedulers.ScheduledAction.run(ScheduledAction.java:55)\r\n       at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:422)\r\n       at java.util.concurrent.FutureTask.run(FutureTask.java:237)\r\n       at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:152)\r\n       at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:265)\r\n       at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1112)\r\n       at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:587)\r\n       at java.lang.Thread.run(Thread.java:841)\r\n```"},"comment":{"url":"https://api.github.com/repos/ReactiveX/RxJava/issues/comments/251653527","html_url":"https://github.com/ReactiveX/RxJava/issues/4655#issuecomment-251653527","issue_url":"https://api.github.com/repos/ReactiveX/RxJava/issues/4655","id":251653527,"user":{"login":"masterlittle","id":13149023,"avatar_url":"https://avatars.githubusercontent.com/u/13149023?v=3","gravatar_id":"","url":"https://api.github.com/users/masterlittle","html_url":"https://github.com/masterlittle","followers_url":"https://api.github.com/users/masterlittle/followers","following_url":"https://api.github.com/users/masterlittle/following{/other_user}","gists_url":"https://api.github.com/users/masterlittle/gists{/gist_id}","starred_url":"https://api.github.com/users/masterlittle/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/masterlittle/subscriptions","organizations_url":"https://api.github.com/users/masterlittle/orgs","repos_url":"https://api.github.com/users/masterlittle/repos","events_url":"https://api.github.com/users/masterlittle/events{/privacy}","received_events_url":"https://api.github.com/users/masterlittle/received_events","type":"User","site_admin":false},"created_at":"2016-10-05T11:53:09Z","updated_at":"2016-10-05T11:53:09Z","body":"Thanks"}}
{"actor":{"display_login":"masterlittle"}}