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  1. ,

    Thrown when an application is trying to use or access an object whose reference equals to null but if you are getting no message, try using the option -XX:-OmitStackTraceInFastThrow.

java.lang.NullPointerException: 	at java.io.Reader.(Unknown Source)	at java.io.InputStreamReader.(Unknown Source)	at com.hellas.smoke.googleCalendar.CalendarSample.authorize(CalendarSample.java:87)	at com.hellas.smoke.googleCalendar.CalendarSample.main(CalendarSample.java:111)