OK, resolved for 7.1a2 .
On Jul 10, 2007, at 12:46 PM, Henrique Lopes Cardoso wrote:
Hi,
I thought that this problem was solved before, but I am still getting
it. I am using the stable version Jess70p1.
If I remove a Userfunction and then add it again, it stops working and
throws an exception.
E.g.:
//---
Rete jess = new Rete();
FileReader fr = new FileReader("lixo.clp");
Jesp j = new Jesp(fr, jess);
j.parse(false);
fr.close();
jess.addUserfunction(new UF());
jess.eval("(assert (a (s 1)))");
jess.run();
Userfunction uf = jess.findUserfunction("uf");
jess.removeUserfunction("uf");
jess.addUserfunction(uf);
jess.eval("(assert (a (s 2)))");
jess.run();
//---
; Contens of lixo.clp:
(deftemplate a (slot s))
(defrule r (a) => (uf))
;
From the second run() call, I am getting:
//
Exception in thread "main" Jess reported an error in routine uf
while executing (uf)
while executing defrule MAIN::r.
Message: undefined function uf.
at jess.FunctionHolder$UndefinedFunction.call
(FunctionHolder.java:54)
at jess.FunctionHolder.call(FunctionHolder.java:35)
at jess.Funcall.execute(Funcall.java:320)
at jess.Defrule.fire(Defrule.java:322)
at jess.Activation.fire(Activation.java:97)
at jess.Agenda.run(Agenda.java:280)
at jess.Agenda.run(Agenda.java:256)
at jess.Rete.run(Rete.java:1505)
at jess.Rete.run(Rete.java:1500)
at UF.main(UF.java:44)
Henrique
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