Hi,
Use getParameterValue() instead of getParameter().
Manu.
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On Thu, 6 May 1999, Miriam wrote:
> I am trying to determine if a page was called with a parameter or not,
> and display output based on this, however, java is complaining about a
> NullPointerException,
>
> here is what I am trying to do:
>
> // Did we get called with a machine name?
> boolean machine=true;
> if (req.getParameter("hname")==null)
> machine=false;
>
> if (machine) {
>
> // blah blah big table
> }
> else {
>
> // blah blah a different table
>
> }
>
> when I use getParameter the url ~/update.jhtml?hname=something works
> but ~/update.jhtml does not.
>
> Conversely, when I use getParameterValues the url ~/update.jhtml
> works, but ~/update.jhtml?hname=something does not..
>
> the error looks like:
>
>
> !-- java.lang.NullPointerException
> at org.apache.jservssi.ServletInfoRequest.getParameter(Compiled Code)
> at MachineUpdateServ.service(Compiled Code)
> at javax.servlet.http.HttpServlet.service(Compiled Code)
> at org.apache.jservssi.ServletInfoRequest.runServlet(Compiled Code)
> at org.apache.jservssi.JServSSI.interpretPage(Compiled Code)
> at org.apache.jservssi.JServSSI.doGet(Compiled Code)
> at javax.servlet.http.HttpServlet.service(Compiled Code)
> at javax.servlet.http.HttpServlet.service(Compiled Code)
> at org.apache.jserv.JServConnection.run(Compiled Code)
> at java.lang.Thread.run(Compiled Code)
> -->
>
> -Miriam
>
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