java.lang.IllegalStateException: Fatal Exception thrown on Scheduler.Worker thread.

09-06 10:01:12.229 19437-19437/com.moreunion.zhenghao E/AndroidRuntime: FATAL EXCEPTION: main
                                                                        Process: com.moreunion.zhenghao, PID: 19437
                                                                        java.lang.IllegalStateException: Fatal Exception thrown on Scheduler.Worker thread.
                                                                            at rx.internal.schedulers.ScheduledAction.run(ScheduledAction.java:59)
                                                                            at android.os.Handler.handleCallback(Handler.java:751)
                                                                            at android.os.Handler.dispatchMessage(Handler.java:95)
                                                                            at android.os.Looper.loop(Looper.java:154)
                                                                            at android.app.ActivityThread.main(ActivityThread.java:6121)
                                                                            at java.lang.reflect.Method.invoke(Native Method)
                                                                            at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:889)
                                                                            at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:779)
                                                                         Caused by: rx.exceptions.OnErrorFailedException: Error occurred when trying to propagate error to Observer.onError
                                                                            at rx.observers.SafeSubscriber._onError(SafeSubscriber.java:187)
                                                                            at rx.observers.SafeSubscriber.onError(SafeSubscriber.java:115)
                                                                            at rx.internal.operators.OperatorObserveOn$ObserveOnSubscriber.checkTerminated(OperatorObserveOn.java:273)
                                                                            at rx.internal.operators.OperatorObserveOn$ObserveOnSubscriber.call(OperatorObserveOn.java:216)
                                                                            at rx.internal.schedulers.ScheduledAction.run(ScheduledAction.java:55)
                                                                            at android.os.Handler.handleCallback(Handler.java:751) 
                                                                            at android.os.Handler.dispatchMessage(Handler.java:95) 
                                                                            at android.os.Looper.loop(Looper.java:154) 
                                                                            at android.app.ActivityThread.main(ActivityThread.java:6121) 
                                                                            at java.lang.reflect.Method.invoke(Native Method) 
                                                                            at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:889) 
                                                                            at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:779) 
                                                                         Caused by: rx.exceptions.CompositeException: 2 exceptions occurred.
                                                                            at rx.observers.SafeSubscriber._onError(SafeSubscriber.java:187) 
                                                                            at rx.observers.SafeSubscriber.onError(SafeSubscriber.java:115) 
                                                                            at rx.internal.operators.OperatorObserveOn$ObserveOnSubscriber.checkTerminated(OperatorObserveOn.java:273) 
                                                                            at rx.internal.operators.OperatorObserveOn$ObserveOnSubscriber.call(OperatorObserveOn.java:216) 
                                                                            at rx.internal.schedulers.ScheduledAction.run(ScheduledAction.java:55) 
                                                                            at android.os.Handler.handleCallback(Handler.java:751) 
                                                                            at android.os.Handler.dispatchMessage(Handler.java:95) 
                                                                            at android.os.Looper.loop(Looper.java:154) 
                                                                            at android.app.ActivityThread.main(ActivityThread.java:6121) 
                                                                            at java.lang.reflect.Method.invoke(Native Method) 
                                                                            at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:889) 
                                                                            at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:779) 
                                                                         Caused by: rx.exceptions.CompositeException$CompositeExceptionCausalChain: Chain of Causes for CompositeException In Order Received =>
                                                                            at cn.jiguang.a.a.b.e.a(Unknown Source)
                                                                            at cn.jiguang.a.a.b.e.uncaughtException(Unknown Source)
                                                                            at java.lang.ThreadGroup.uncaughtException(ThreadGroup.java:1068)
                                                                            at java.lang.ThreadGroup.uncaughtException(ThreadGroup.java:1063)
                                                                            at rx.internal.schedulers.ScheduledAction.signalError(ScheduledAction.java:68)
                                                                            at rx.internal.schedulers.ScheduledAction.run(ScheduledAction.java:59)
                                                                            at android.os.Handler.handleCallback(Handler.java:751) 
                                                                            at android.os.Handler.dispatchMessage(Handler.java:95) 
                                                                            at android.os.Looper.loop(Looper.java:154) 
                                                                            at android.app.ActivityThread.main(ActivityThread.java:6121) 
                                                                            at java.lang.reflect.Method.invoke(Native Method) 
                                                                            at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:889) 
                                                                            at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:779) 
                                                                         Caused by: java.net.SocketTimeoutException: connect timed out
                                                                            at java.net.PlainSocketImpl.socketConnect(Native Method)
                                                                            at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:334)
                                                                            at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:196)
                                                                            at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:178)
                                                                            at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:356)
                                                                            at java.net.Socket.connect(Socket.java:605)
                                                                            at okhttp3.internal.AndroidPlatform.connectSocket(AndroidPlatform.java:55)
                                                                            at okhttp3.internal.io.RealConnection.connectSocket(RealConnection.java:185)
                                                                            at okhttp3.internal.io.RealConnection.buildConnection(RealConnection.java:170)
                                                                            at okhttp3.internal.io.RealConnection.connect(RealConnection.java:111)
                                                                            at okhttp3.internal.http.StreamAllocation.findConnection(StreamAllocation.java:187)
                                                                            at okhttp3.internal.http.StreamAllocation.findHealthyConnection(StreamAllocation.java:123)
                                                                            at okhttp3.internal.http.StreamAllocation.newStream(StreamAllocation.java:93)
                                                                            at okhttp3.internal.http.HttpEngine.connect(HttpEngine.java:296)
                                                                            at okhttp3.internal.http.HttpEngine.sendRequest(HttpEngine.java:248)
                                                                            at okhttp3.RealCall.getResponse(RealCall.java:243)
                                                                            at okhttp3.RealCall$ApplicationInterceptorChain.proceed(RealCall.java:201)
                                                                            at com.example.yilibrary.net.weining.ServiceFactory$1.intercept(ServiceFactory.java:101)
                                                                            at okhttp3.RealCall$ApplicationInterceptorChain.proceed(RealCall.java:190)
                                                                            at okhttp3.RealCall.getResponseWithInterceptorChain(RealCall.java:163)
                                                                            at okhttp3.RealCall.execute(RealCall.java:57)
                                                                            at retrofit2.OkHttpCall.execute(OkHttpCall.java:174)
                                                                            at retrofit2.adapter.rxjava.RxJavaCallAdapterFactory$RequestArbiter.request(RxJavaCallAdapterFactory.java:171)
                                                                            at rx.internal.operators.OperatorSubscribeOn$SubscribeOnSubscriber$1.request(OperatorSubscribeOn.java:109)
                                                                            at rx.internal.producers.ProducerArbiter.setProducer(ProducerArbiter.java:126)
                                                                            at rx.internal.operators.OnSubscribeRedo$2$1.setProducer(OnSubscribeRedo.java:267)
                                                                            at rx.internal.operators.OperatorSubscribeOn$SubscribeOnSubscriber.setProducer(OperatorSubscribeOn.java:105)
                                                                            at rx.Subscriber.setProducer(Subscriber.java:205)
09-06 10:01:12.229 19437-19437/com.moreunion.zhenghao E/AndroidRuntime:     at retrofit2.adapter.rxjava.RxJavaCallAdapterFactory$CallOnSubscribe.call(RxJavaCallAdapterFactory.java:152)
                                                                            at retrofit2.adapter.rxjava.RxJavaCallAdapterFactory$CallOnSubscribe.call(RxJavaCallAdapterFactory.java:138)
                                                                            at rx.internal.operators.OnSubscribeLift.call(OnSubscribeLift.java:48)
                                                                            at rx.internal.operators.OnSubscribeLift.call(OnSubscribeLift.java:30)
                                                                            at rx.Observable.unsafeSubscribe(Observable.java:10346)
                                                                            at rx.internal.operators.OperatorSubscribeOn$SubscribeOnSubscriber.call(OperatorSubscribeOn.java:100)
                                                                            at rx.internal.schedulers.CachedThreadScheduler$EventLoopWorker$1.call(CachedThreadScheduler.java:230)
                                                                            at rx.internal.schedulers.ScheduledAction.run(ScheduledAction.java:55)
                                                                            at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:428)
                                                                            at java.util.concurrent.FutureTask.run(FutureTask.java:237)
                                                                            at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:272)
                                                                            at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1133)
                                                                            at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:607)
                                                                            at java.lang.Thread.run(Thread.java:761)
                                                                         Caused by: java.lang.NullPointerException: Attempt to invoke virtual method 'java.lang.String android.content.Context.getPackageName()' on a null object reference
                                                                            at android.widget.Toast.<init>(Toast.java:103)
                                                                            at android.widget.Toast.makeText(Toast.java:256)
                                                                            at com.moreunion.zhenghao.ui.homepage.fragment.BaseListFragment.dataNull(BaseListFragment.java:95)
                                                                            at com.moreunion.zhenghao.ui.doctorclass.netTask.TaskProblemInteractionPresenter$1.onFailure(TaskProblemInteractionPresenter.java:38)
                                                                            at com.example.yilibrary.net.weining.HttpResultSubscriber.onError(HttpResultSubscriber.java:9)
                                                                            at rx.observers.SafeSubscriber._onError(SafeSubscriber.java:153)
                                                                            at rx.observers.SafeSubscriber.onError(SafeSubscriber.java:115)
                                                                            at rx.internal.operators.OperatorObserveOn$ObserveOnSubscriber.checkTerminated(OperatorObserveOn.java:273)
                                                                            at rx.internal.operators.OperatorObserveOn$ObserveOnSubscriber.call(OperatorObserveOn.java:216)
                                                                            at rx.internal.schedulers.ScheduledAction.run(ScheduledAction.java:55)
                                                                            at android.os.Handler.handleCallback(Handler.java:751)
                                                                            at android.os.Handler.dispatchMessage(Handler.java:95)
                                                                            at android.os.Looper.loop(Looper.java:154)
                                                                            at android.app.ActivityThread.main(ActivityThread.java:6121)
                                                                            at java.lang.reflect.Method.invoke(Native Method)
                                                                            at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:889)
                                                                            at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:779)