Actually i have implemented the logic(to send the mail by using java mail api) in a servlet.I am getting the NullPointerException. Any one can help me. Its very urgent.

			

			the exception is as follows:
			

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			java.lang.NullPointerException
			

			

			at javax.mail.internet.MimeUtility.checkAscii(MimeUtility.java:915)
			

			

			at javax.mail.internet.MimeBodyPart.setText(MimeBodyPart.java:812)
			

			

			at javax.mail.internet.MimeMessage.setText(MimeMessage.java:1333)
			

			

			at javax.mail.internet.MimeMessage.setText(MimeMessage.java:1321)
			

			

			at mailexample.MailExample.doPost(MailExample.java:52)
			

			

			at javax.servlet.http.HttpServlet.service(HttpServlet.java:760)
			

			

			at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
			

			

			at org.apache.tomcat.core.ServletWrapper.doService(ServletWrapper.java:404)
			

			

			at org.apache.tomcat.core.Handler.service(Handler.java:286)
			

			

			at org.apache.tomcat.core.ServletWrapper.service(ServletWrapper.java:372)
			

			

			at org.apache.tomcat.core.ContextManager.internalService(ContextManager.java:797)
			

			

			at org.apache.tomcat.core.ContextManager.service(ContextManager.java:743)
			

			

			at org.apache.tomcat.service.http.HttpConnectionHandler.processConnection(HttpConnectionHandler.java:210)
			

			

			at org.apache.tomcat.service.TcpWorkerThread.runIt(PoolTcpEndpoint.java:416)
			

			

			at org.apache.tomcat.util.ThreadPool$ControlRunnable.run(ThreadPool.java:498)
			

			

			at java.lang.Thread.run(Thread.java:484)
			

			

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