我需要在应用处于后台时发出网络电话。顺序如下。该应用程序接收GCM调用，向BE发出API调用以获取更多数据，然后显示通知。
GCM调用已完全收到，但API网络调用因超时而失败，并显示以下stack-trace：
java.net.SocketTimeoutException: timeout
at okio.Okio$3.newTimeoutException(Okio.java:207)
at okio.AsyncTimeout.exit(AsyncTimeout.java:250)
at okio.AsyncTimeout$2.read(AsyncTimeout.java:217)
at okio.RealBufferedSource.indexOf(RealBufferedSource.java:306)
at okio.RealBufferedSource.indexOf(RealBufferedSource.java:300)
at okio.RealBufferedSource.readUtf8LineStrict(RealBufferedSource.java:196)
at com.squareup.okhttp.internal.http.Http1xStream.readResponse(Http1xStream.java:186)
at com.squareup.okhttp.internal.http.Http1xStream.readResponseHeaders(Http1xStream.java:127)
at com.squareup.okhttp.internal.http.HttpEngine.readNetworkResponse(HttpEngine.java:737)
at com.squareup.okhttp.internal.http.HttpEngine.access$200(HttpEngine.java:87)
at com.squareup.okhttp.internal.http.HttpEngine$NetworkInterceptorChain.proceed(HttpEngine.java:722)
at com.nuro.newcoms.NuroCommunicationService$21.intercept(NuroCommunicationService.java:1986)
at com.squareup.okhttp.internal.http.HttpEngine$NetworkInterceptorChain.proceed(HttpEngine.java:695)
at com.nuro.encryption.NuroSSLContext$1.intercept(NuroSSLContext.java:94)
at com.squareup.okhttp.internal.http.HttpEngine$NetworkInterceptorChain.proceed(HttpEngine.java:695)
at com.squareup.okhttp.internal.http.HttpEngine.readResponse(HttpEngine.java:576)
at com.squareup.okhttp.Call.getResponse(Call.java:287)
at com.squareup.okhttp.Call$ApplicationInterceptorChain.proceed(Call.java:243)
at com.squareup.okhttp.Call.getResponseWithInterceptorChain(Call.java:205)
at com.squareup.okhttp.Call.execute(Call.java:80)
at retrofit.client.OkClient.execute(OkClient.java:53)
at retrofit.RestAdapter$RestHandler.invokeRequest(RestAdapter.java:326)
at retrofit.RestAdapter$RestHandler.access$100(RestAdapter.java:220)
at retrofit.RestAdapter$RestHandler$2.obtainResponse(RestAdapter.java:278)
at retrofit.CallbackRunnable.run(CallbackRunnable.java:42)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1133)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:607)
at java.lang.Thread.run(Thread.java:761)`
我使用okhttp ver 2.7.5，retrofit 1.9.0
该应用程序处于后台，但该设备未处于打盹状态，屏幕已打开，甚至正在充电。因此它不能成为DOZE问题。
在WiFi和3/4G上发生。
pre-nougat设备没有此问题。
UPD 当应用程序被选为＆＃34;未优化＆＃34;在电池设置方面，一切都像魅力一样。