FileStreamerIntentService.java 第 105 行 #76

Fatal Exception: java.lang.RuntimeException: Unable to stop service in.co.gorest.grblcontroller.service.FileStreamerIntentService@c80532d: java.lang.NullPointerException: Attempt to invoke virtual method 'void in.co.gorest.grblcontroller.listeners.FileSenderListener.setStatus(java.lang.String)' on a null object reference
       at android.app.ActivityThread.handleStopService(ActivityThread.java:3589)
       at android.app.ActivityThread.-wrap29(ActivityThread.java)
       at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1690)
       at android.os.Handler.dispatchMessage(Handler.java:105)
       at android.os.Looper.loop(Looper.java:156)
       at android.app.ActivityThread.main(ActivityThread.java:6623)
       at java.lang.reflect.Method.invoke(Method.java)
       at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:942)
       at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:832)