Problem In Java Mail Program

when I run the code from the book "Professional Java Server Pages" page no.260
(SendMail Servlet) , the code compiles properly, but at run time an exception
is thrown.
It is of type java.lang.nullpointer.
On testing i found that the error is coming on the line with the code

Session session = Session.getInstance(properties,null);

I am trying to write a servlet to send across the mail I write.
please help me solve this problem.

yours sincerely
Rajeev Iyer

rajeev,

u r trying to get direct instance in that line of code instead use

Session session=Session.getDefaultInstance(properties,null);

There is a difference between getInstance() and getDefaultInstance().

I'm sure ur problem will be solved by this code.

byee..
Sreenu




"Rajeev Iyer" <iyer_rajeev@usa.net> wrote:
>
>when I run the code from the book "Professional Java Server Pages" page
no.260
>(SendMail Servlet) , the code compiles properly, but at run time an exception
>is thrown.
>It is of type java.lang.nullpointer.
>On testing i found that the error is coming on the line with the code
>
>Session session = Session.getInstance(properties,null);
>
>I am trying to write a servlet to send across the mail I write.
>please help me solve this problem.
>
>yours sincerely
>Rajeev Iyer
>