Corrected the Error: Uncaught exception from servlet
java.lang.NullPointerException
	at org.rhok.pta.donate.servlets.Login.doRequest(Login.java:132)
	at org.rhok.pta.donate.servlets.Login.getRawPayload(Login.java:113)
	at org.rhok.pta.donate.servlets.Login.doPost(Login.java:82)