同一份代码运行在Android 6.0 则正常
运行在Android 9.0 则出现如下问题
10-17 13:17:02.363 15018-15067/com.monsterlin.easyclass E/AndroidRuntime: FATAL EXCEPTION: OkHttp Dispatcher
Process: com.monsterlin.easyclass, PID: 15018
java.lang.NoClassDefFoundError: Failed resolution of: [Lorg/apache/http/Header;
E/AVUncaughtExceptionHandler: AVUncaughtExceptionHandler caught a NoClassDefFoundError exception