GCM SERVICE_NOT_AVAILABLE 질문드립니다.

Question

Nexus5 android version6.0에서는 오류가 없는데, mi note2 android v4.4에서 GCM등록시 아래와 같은 에러가 나고 있습니다. 

구글링을 해도 원인을 파악하기 힘드네요..어떻게 체크해할지 고수님들 조언 부탁드립니다.

GCM Register Error

java.io.IOException: SERVICE_NOT_AVAILABLE                                          
at com.google.android.gms.gcm.GoogleCloudMessaging.zza(Unknown Source)              
at com.google.android.gms.gcm.GoogleCloudMessaging.register(Unknown Source)         
at com.xx.xx.util.PPGcm$1.doInBackground(PPGcm.java:131)                            
at com.xx.xx.util.PPGcm$1.doInBackground(PPGcm.java:122)                            
at android.os.AsyncTask$2.call(AsyncTask.java:288)                                  
at java.util.concurrent.FutureTask.run(FutureTask.java:237)                         
at android.os.AsyncTask$SerialExecutor$1.run(AsyncTask.java:231)                    
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1112)  
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:587)  
at java.lang.Thread.run(Thread.java:841)                                            

               

Answer 1

검색해보니 첫줄에 나오네요 

http://stackoverflow.com/questions/24263653/java-io-ioexception-service-not-available-in-gcm-client

Check the time of your device. Google cannot register your device with a wrong time