[rules-users] Temporal operators fail on persisted SKS

[Mark Proctor]

Please don't "reply" to an existing thread to start a new thread.

The 5.3 release toing out today/tomorrow adds the temperal facilities to 
persistence. Try it and get back to us with issues.

Mark
On 11/10/2011 18:51, Melton, Michael P CTR SPAWARSYSCEN-ATLANTIC, 01200 
wrote:
> Hello,
> I have a SKS that is persisted using JPAKnowledgeService. I am using 
> events and have multiple rules that match on those events using the 
> "after" and "before" temporal operators. When I have a fresh session, 
> I can insert events and fire rules till the cows come home with no 
> issue. However, if I load a persisted session containing event facts 
> and try to insert a new event, when rule conditions attempt to 
> evaluate on the *persisted* events in working memory, I get 
> "org.drools.common.DefaultFactHandle cannot be cast to 
> org.drools.common.EventFactHandle".
> I have googled extensively on this issue and, though it seems to be 
> relatively common, none of the resolutions I've seen apply to me. I've 
> doublechecked that my events are declared as such. I've debugged into 
> Drools code and verified that the FactHandle returned upon insertion 
> is an EventFactHandle. However, it seems as if the engine "forgets" 
> that these facts are events when the session is persisted or rehydrated.
> I do not currently have a simple example to share, and I can work on 
> one if required, but I wanted to get my question out ahead of that in 
> case anyone in the community has an answer for me off the top of their 
> head. Any assistance is appreciated.
> Mike
>
>
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