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    Thrown when an application is trying to use or access an object whose reference equals to null. You are probably trying to use a reference that points to no location in memory as though it were referencing an object.

Solutions on the web

via GitHub by philipbreau
, 1 year ago
via Google Groups by Unknown author, 1 year ago
via GitHub by ezeenova
, 2 years ago
via Google Groups by Sean Zhong, 1 year ago
java.lang.NullPointerException: value == null	at java.util.Hashtable.put(	at Source)	at Source)	at Source)	at	at	at	at	at$1600(	at$H.handleMessage(	at android.os.Handler.dispatchMessage(	at android.os.Looper.loop(	at	at java.lang.reflect.Method.invokeNative(Native Method)	at java.lang.reflect.Method.invoke(	at$	at