> If this is the code that triggered the stack trace you originally posted
> (null pointer exception at line 60 of AuthenticateServlet), then my
> previous comments still apply.  Note that you are never even getting to
> the Rexec.login() call at line 76.

OK I put in an if statment to test for when uname and passwd is null so I
no longer get the error page. However, I've done CGI programming in C
before and I've never encountered a situation where form data in POST is 
null when actual data are entered into the form. There is a
pattern in when the data is null. I output the value of uname and passwd
to stderr and the values are null in a 1 period cycle. First time you
submit the form, its not null, submit it a second time and its null,
third time not null, etc.. This behavior is probably not in the
specification of an HttpServlet



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