Here are the errors from the server log. Please help
identify the problem.
2003-07-01 22:22:14,720 ERROR [STDERR] Jess reported
an error in routine batch.
Message: Cannot open file.
2003-07-01 22:22:14,720 ERROR [STDERR] at
jess.Batch.batch(Batch.java:38)
2003-07-01 22:22:14,720 ERROR [STDERR] at
jess.Rete.loadScriptlib(Rete.java:1303)
2003-07-01 22:22:14,720 ERROR [STDERR] at
jess.Rete.<init>(Rete.java:66)
2003-07-01 22:22:14,720 ERROR [STDERR] at
jess.Rete.<init>(Rete.java:47)
2003-07-01 22:22:14,720 ERROR [STDERR] at
test.session.SessionTestServlet.init(SessionTestServlet.java:41)
(SessionTestServlet.java:41)
Java line 41 is where I declare:
Rete rete = new Rete();
--- [EMAIL PROTECTED] wrote:
> I think jenny chiang wrote:
> > Hi everyone,
> >
> > I am trying to write an application using java and
> > jess. The application will be deployed to J2EE
> > Application Server. The J2EE version is
> > j2eesdk1.4_beta2 and Jess version is 6.0.
>
> Don't use 6.0 anymore; Please use 6.1.
>
> >
> > I create a servlet, which resides in \src
> directory.
> > I then copied \jess directory to \src. There were
> no
> > problems in compiling and deploying the servlet.
> > However when I try to view the servlet through web
> > browser I got HTTP Status 500 error.
> >
>
> Well, does the error page include a traceback which
> gives some
> indication of the failure? I note that the code as
> given below
> wouldn't even compile. The method
>
> >
> > public void doGet (HttpServletRequest request,
> > HttpServletResponse
> response)
> > throws ServletException, IOException
> > {
> > String userinput =
> request.getParameter("userinput");
> > if ( userinput != null && userinput.length()
> > 0 )
> >
> rete.executeCommand("(assert("+userinput+"))");
> > rete.run();
> > }
> > }
>
> won't compile because executeCommand() and run()
> both throw
> JessException, which is not being caught here.
>
> You might want to back up and make sure you can
> write a "Hello, World"
> servlet from scratch and get that to run in your
> environment, before
> adding the complication of including Jess.
>
> Then first, make sure that you know precisely what
> version of your
> Jess code you have installed, and then scrutinize
> the error message
> you're getting. Look at the server error logs, too.
> If you can find
> the actual error message you're getting, and you
> still don't know
> what's going wrong, you could try this list again.
>
>
---------------------------------------------------------
> Ernest Friedman-Hill
> Distributed Systems Research Phone: (925)
> 294-2154
> Sandia National Labs FAX: (925)
> 294-2234
> PO Box 969, MS 9012
> [EMAIL PROTECTED]
> Livermore, CA 94550
> http://herzberg.ca.sandia.gov
>
>
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