Upgrade to Jess 5.2 and see if it goes away. There was an obscure bug
that fits this description in 5.1; it was described in the FAQ but
isn't anymore since 5.1 is no longer a current version.
I think Emmanuel ROHMER wrote:
[Charset iso-8859-1 unsupported, filtering to ASCII...]
> Hello !
>
> I use Jess 5.1 to build a natural language dialog engine.
>
> To separate the differents tasks that are necessary to reach each goal I use a
> fact that looks like this :
> (phase <number>) where <number> identifies the current task.
>
> When all the operations have succeed, I retract the last task-identifying-fact :
> (phase 6). Then Jess is ready for a new dialog unit.
>
> The problem is that rules that should only be activated and fire only when
> (phase 6) is reached, are activated and fire using the (phase 6) fact that has
> been juste removed.
> I've checked that it was really removed.
>
> It's like if there were a kind of cache memory that is not clean when beginning
> the second operation.
>
> Has anyone any idea of how to solve this problem?
> It's very hard to give you more specific details on my set of rules, but if I
> forgot some important informations plz ask.
>
> Thanks a lot
>
> Manu
>
>
>
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Ernest Friedman-Hill
Distributed Systems Research Phone: (925) 294-2154
Sandia National Labs FAX: (925) 294-2234
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