Hi,
Actually if i give the whole path including the drive name {c:}, it
works. Also, as the manual explains it ought to be reversed slash, what.
Now it is able to locate the file.
Thanks for the help,
Regards,
Raj.
PS I am pretty much a beginner, so shall leave "hacking" to experts ;-/
On Mon, 18 Feb 2002 [EMAIL PROTECTED] wrote:
>
> The function docs for (batch) (in chapter8 of the manual) say that the
> argument is a file, and if and only if Jess is running in an applet
> (i.e., Rete.setApplet() has been called) then (batch) will try to find
> the file hanging off of the applet's documentBase. No place does the
> manual say that batch takes a URL; if this works in an applet, it's
> just undefined behavior -- a coincidence.
>
> If you want to load Jess code from a URL, then the only legal way to
> do it is to do it yourself. This is pretty easy -- something like
>
> Rete engine = ...;
> URL url = new URL("http://foo";);
> Reader r = new InputStreamReader(url.openStream());
> Jesp j = new Jesp(r, engine);
> // Read until end-of-file
> Value v = j.parse(false);
>
> would work fine. This is all that (batch) does.
>
> I think Rajaram Subramanian wrote:
> > Hi,
> > I had used Jess as an intelligent help system in a computer-aided
> > education project. In my earlier design, i had used Jess on the client
> > side but am now moving it to the server. My applet will make an
> > URLConnection and pass a fact to the servlet; this gets passed to the rule
> > engine and after going thro rule base will be returned a help string. The
> > applet collects it and displays it on the GUI. Well, at least, thats the
> > plan :}
> > The problem is that i am very new to servlets and in my class LabServlet i
> > do,
> > rete_.executeCommand("(batch http://127.0.0.1/servlets/scriptlib.clp)");
> >
> > and i have scriptlib.clp in that directory. But it is not able to locate
> > this file and i get the error message...
> >
> > Jess exception in servlet !!! Jess reported an error in routine batch
> > while executing (batch http://127.0.0.1/servlets/scriptlib.clp).
> > Message: Cannot open file.
> > Program text: ( batch http://127.0.0.1/servlets/scriptlib.clp ) at line
> > 0.
> >
> > I am using Apache server with Apache JServ as the servlet engine. Please
> > do let me know if you see a reason for my problem,
> >
> > Thank you,
> > Raj.
> >
> >
> >
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>
>
>
> ---------------------------------------------------------
> Ernest Friedman-Hill
> Distributed Systems Research Phone: (925) 294-2154
> Sandia National Labs FAX: (925) 294-2234
> Org. 8920, MS 9012 [EMAIL PROTECTED]
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> Livermore, CA 94550
>
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