No virtual method newJsonReader 解决办法

本文记录了一款Android应用在特定POS设备上出现FATAL EXCEPTION错误的过程及解决方案。问题出现在使用RxJava和Retrofit进行网络请求时,通过更新依赖并未解决,最终通过重新刷写POS系统解决了问题。

运行一个安卓程序,出现以下错误原因:

FATAL EXCEPTION: RxIoScheduler-3
Process: com.test.app, PID: 12041
java.lang.IllegalStateException: Fatal Exception thrown on Scheduler.Worker thread.
at rx.internal.schedulers.ScheduledAction.run(ScheduledAction.java:59)
at java.util.concurrent.ExecutorsRunnableAdapter.call(Executors.java:422)atjava.util.concurrent.FutureTask.run(FutureTask.java:237)atjava.util.concurrent.ScheduledThreadPoolExecutorRunnableAdapter.call(Executors.java:422)atjava.util.concurrent.FutureTask.run(FutureTask.java:237)atjava.util.concurrent.ScheduledThreadPoolExecutorScheduledFutureTask.access201(ScheduledThreadPoolExecutor.java:152)atjava.util.concurrent.ScheduledThreadPoolExecutor201(ScheduledThreadPoolExecutor.java:152)atjava.util.concurrent.ScheduledThreadPoolExecutorScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:265)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1112)
at java.util.concurrent.ThreadPoolExecutorWorker.run(ThreadPoolExecutor.java:587)atjava.lang.Thread.run(Thread.java:818)Causedby:java.lang.NoSuchMethodError:NovirtualmethodnewJsonReader(Ljava/io/Reader;)Lcom/google/gson/stream/JsonReader;inclassLcom/google/gson/Gson;oritssuperclasses(declarationofcom.google.gson.Gsonappearsin/system/framework/android.urovo.device.jar)atretrofit2.converter.gson.GsonResponseBodyConverter.convert(GsonResponseBodyConverter.java:35)atretrofit2.converter.gson.GsonResponseBodyConverter.convert(GsonResponseBodyConverter.java:25)atretrofit2.ServiceMethod.toResponse(ServiceMethod.java:119)atretrofit2.OkHttpCall.parseResponse(OkHttpCall.java:218)atretrofit2.OkHttpCall.execute(OkHttpCall.java:180)atretrofit2.adapter.rxjava.CallExecuteOnSubscribe.call(CallExecuteOnSubscribe.java:40)atretrofit2.adapter.rxjava.CallExecuteOnSubscribe.call(CallExecuteOnSubscribe.java:24)atretrofit2.adapter.rxjava.BodyOnSubscribe.call(BodyOnSubscribe.java:36)atretrofit2.adapter.rxjava.BodyOnSubscribe.call(BodyOnSubscribe.java:28)atrx.Observable.unsafeSubscribe(Observable.java:10144)atrx.internal.operators.OnSubscribeMap.call(OnSubscribeMap.java:48)atrx.internal.operators.OnSubscribeMap.call(OnSubscribeMap.java:33)atrx.internal.operators.OnSubscribeLift.call(OnSubscribeLift.java:48)atrx.internal.operators.OnSubscribeLift.call(OnSubscribeLift.java:30)atrx.Observable.unsafeSubscribe(Observable.java:10144)atrx.internal.operators.OnSubscribeMap.call(OnSubscribeMap.java:48)atrx.internal.operators.OnSubscribeMap.call(OnSubscribeMap.java:33)atrx.Observable.unsafeSubscribe(Observable.java:10144)atrx.internal.operators.OperatorMergeWorker.run(ThreadPoolExecutor.java:587)atjava.lang.Thread.run(Thread.java:818)Causedby:java.lang.NoSuchMethodError:NovirtualmethodnewJsonReader(Ljava/io/Reader;)Lcom/google/gson/stream/JsonReader;inclassLcom/google/gson/Gson;oritssuperclasses(declarationof‘com.google.gson.Gson′appearsin/system/framework/android.urovo.device.jar)atretrofit2.converter.gson.GsonResponseBodyConverter.convert(GsonResponseBodyConverter.java:35)atretrofit2.converter.gson.GsonResponseBodyConverter.convert(GsonResponseBodyConverter.java:25)atretrofit2.ServiceMethod.toResponse(ServiceMethod.java:119)atretrofit2.OkHttpCall.parseResponse(OkHttpCall.java:218)atretrofit2.OkHttpCall.execute(OkHttpCall.java:180)atretrofit2.adapter.rxjava.CallExecuteOnSubscribe.call(CallExecuteOnSubscribe.java:40)atretrofit2.adapter.rxjava.CallExecuteOnSubscribe.call(CallExecuteOnSubscribe.java:24)atretrofit2.adapter.rxjava.BodyOnSubscribe.call(BodyOnSubscribe.java:36)atretrofit2.adapter.rxjava.BodyOnSubscribe.call(BodyOnSubscribe.java:28)atrx.Observable.unsafeSubscribe(Observable.java:10144)atrx.internal.operators.OnSubscribeMap.call(OnSubscribeMap.java:48)atrx.internal.operators.OnSubscribeMap.call(OnSubscribeMap.java:33)atrx.internal.operators.OnSubscribeLift.call(OnSubscribeLift.java:48)atrx.internal.operators.OnSubscribeLift.call(OnSubscribeLift.java:30)atrx.Observable.unsafeSubscribe(Observable.java:10144)atrx.internal.operators.OnSubscribeMap.call(OnSubscribeMap.java:48)atrx.internal.operators.OnSubscribeMap.call(OnSubscribeMap.java:33)atrx.Observable.unsafeSubscribe(Observable.java:10144)atrx.internal.operators.OperatorMergeMergeSubscriber.onNext(OperatorMerge.java:248)
at rx.internal.operators.OperatorMergeMergeSubscriber.onNext(OperatorMerge.java:148)atrx.internal.operators.OnSubscribeMapMergeSubscriber.onNext(OperatorMerge.java:148)atrx.internal.operators.OnSubscribeMapMapSubscriber.onNext(OnSubscribeMap.java:77)
at rx.internal.operators.OnSubscribeMapMapSubscriber.onNext(OnSubscribeMap.java:77)atrx.internal.util.ScalarSynchronousObservableMapSubscriber.onNext(OnSubscribeMap.java:77)atrx.internal.util.ScalarSynchronousObservableWeakSingleProducer.request(ScalarSynchronousObservable.java:276)
at rx.Subscriber.setProducer(Subscriber.java:211)
at rx.internal.operators.OnSubscribeMapMapSubscriber.setProducer(OnSubscribeMap.java:102)atrx.internal.operators.OnSubscribeMapMapSubscriber.setProducer(OnSubscribeMap.java:102)atrx.internal.operators.OnSubscribeMapMapSubscriber.setProducer(OnSubscribeMap.java:102)
at rx.internal.util.ScalarSynchronousObservableJustOnSubscribe.call(ScalarSynchronousObservable.java:138)atrx.internal.util.ScalarSynchronousObservableJustOnSubscribe.call(ScalarSynchronousObservable.java:138)atrx.internal.util.ScalarSynchronousObservableJustOnSubscribe.call(ScalarSynchronousObservable.java:129)
at rx.Observable.unsafeSubscribe(Observable.java:10144)
at rx.internal.operators.OnSubscribeMap.call(OnSubscribeMap.java:48)
at rx.internal.operators.OnSubscribeMap.call(OnSubscribeMap.java:33)
at rx.Observable.unsafeSubscribe(Observable.java:10144)
at rx.internal.operators.OnSubscribeMap.call(OnSubscribeMap.java:48)
at rx.internal.operators.OnSubscribeMap.call(OnSubscribeMap.java:33)
at rx.internal.operators.OnSubscribeLift.call(OnSubscribeLift.java:48)
at rx.internal.operators.OnSubscribeLift.call(OnSubscribeLift.java:30)
at rx.Observable.unsafeSubscribe(Observable.java:10144)
at rx.internal.operators.OnSubscribeDefer.call(OnSubscribeDefer.java:51)
at rx.internal.operators.OnSubscribeDefer.call(OnSubscribeDefer.java:35)
at rx.Observable.unsafeSubs

按照网上的解决办法,更新gson依赖包到最新版本2.8.2,但依然没有解决问题。

这个APP是在优博讯的POS机器上运行的,在优博讯另外POS上运行都没有问题。而且这个APP在很多安卓手机上运行都没有问题,偏偏这款POS系统上出现问题。 后找了个优博讯刷机包文件,300多兆,POS上操作系统重新刷机了,问题解决。

2018年3月18日

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