Hi all,
We found a test program that indicates that Jess should (re)raise exceptions
from Java to Java.
I typed in the code below, and of course it confirmed my suspicions that no
exception was raised.
We then tried upgrading Jess (from 7.0p1 to 7.1p2), but no change.
That surprised us, so we looked a bit better; can you spot the mistake in the
program below?
Are you sure you DON'T want a JessException, or *any* exception for this
mistake? (i.e. should I file a bug report or feature request?)
Knowing it worked, we knew better where to look and found the place where the
Exception was caught in our code, rather than our framework.
Found it; original question answered.
Bye,
Kero.
import jess.*;
public class TryIt {
public static void main(String arg[]) {
try {
Rete r = new Rete();
r.eval("new java.net.URL foo://bar/");
} catch (JessException e) {
e.printStackTrace();
} catch (Throwable e) {
e.printStackTrace();
}
}
}
__
Kero van Gelder
Software Engineer
Systems Creation
MiPlaza
Philips Research Europe
High Tech Campus 34.6.12 (WY61)
5656 AE Eindhoven
Tel: +31-40-27.47905
E-mail: kero.van.gel...@philips.com
http://www.miplaza.com/
________________________________________
From: owner-jess-us...@sandia.gov [owner-jess-us...@sandia.gov] On Behalf Of
Gelder, Kero van [kero.van.gel...@philips.com]
Sent: Thursday, January 13, 2011 13:13
To: jess-users@sandia.gov
Subject: JESS: Catching a java exception via Jess in Java
Hello!
We are writing unit tests around or software with JUnit and JMock.
When we run certain tests, Jess will call Java methods.
In the unit tests, JMock provides stubs for these methods.
With the expectations set, these method calls may raise an exception.
Jess catches this exception and prints it.
Thus, JUnit does not see the exception.
So when JMock flags a failure, our tests still pass.
A similar thing will happen in the deployed system, of course.
Is it possible to let Jess re-throw the exception?
We tried to find a flag to set on Jess, but could not find any.
We know that try/catch in Jess can install a handler, but we do not know how to
wrap such try/catch when we call Rete.run() from Java.
Other suggestions?
Bye,
Kero.
__
Kero van Gelder
Software Engineer
Systems Creation
MiPlaza
Philips Research Europe
High Tech Campus 34.6.12 (WY61)
5656 AE Eindhoven
Tel: +31-40-27.47905
E-mail: kero.van.gel...@philips.com
http://www.miplaza.com/
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