Hi,
If you are using Internet Explorer, you can get NULL values from a POST by
hitting the [enter] key instead of using the post button. Are you checking for
this scenario?
Later...
...charles
Son To wrote:
> another interesting I noticed is that if I submit the form without
> entering data uname and passwd is not null but the empty string. This is
> unusual.
>
> On Thu, 15 Jul 1999, Son To wrote:
>
> > > 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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