I am simply using this:
String go = req.getParameter("go");
if(go.equals("tips")){
showTips(res);
}
and I get the java.lang.NullPointerException on the
browser. Could you show me how you do it in simple
code?
roy
--- Robert Nicholson <[EMAIL PROTECTED]> wrote:
> What happens when you iterate over the requests
> parameter list. What's
> there? What to does QueryHash's keyEnumerator show?
>
> > -----Original Message-----
> > From: A mailing list for discussion about Sun
> Microsystem's Java Servlet
> > API Technology.
> [mailto:[EMAIL PROTECTED]]On Behalf Of
> roy
> > woods
> > Sent: Saturday, April 07, 2001 12:34 PM
> > To: [EMAIL PROTECTED]
> > Subject: Query String Value is returning null.
> why?
> >
> >
> > Hi all
> >
> > In my Servlet I have a link like this:
> > http://localhost/servlet/Library?go=tips But the
> Query
> > string value is ignored. I mean, go has no value.
> > and the parameter go returns null. On my browser I
> > therefore get
> >
> > Error: 500
> >
> > Location: /servlet/Library
> >
> > Internal Servlet Error:
> >
> > java.lang.NullPointerException:
> >
> > How can I get the query string values?
> >
> > Thanks in advance
> >
> > roy
> >
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