java.lang.NullPointerException: Attempt to invoke virtual method 'boolean java.lang.String.equals(java.lang.Object)' on a null object reference
	at com.entitcs.office_attendance.background_works.LeaveStatusUpdateWebser.onPostExecute(LeaveStatusUpdateWebser.java:158)
	at com.entitcs.office_attendance.background_works.LeaveStatusUpdateWebser.onPostExecute(LeaveStatusUpdateWebser.java:43)
	at android.os.AsyncTask.finish(AsyncTask.java:771)
	at android.os.AsyncTask.-$$Nest$mfinish(Unknown Source:0)
	at android.os.AsyncTask$InternalHandler.handleMessage(AsyncTask.java:788)
	at android.os.Handler.dispatchMessage(Handler.java:106)
	at android.os.Looper.loopOnce(Looper.java:240)
	at android.os.Looper.loop(Looper.java:351)
	at android.app.ActivityThread.main(ActivityThread.java:8423)
	at java.lang.reflect.Method.invoke(Native Method)
	at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:584)
	at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1013)