[rules-users] How to check for errors when creating a kBase using kAgent, kAgentConfiguration and kBaseConfiguration

[Tina Vießmann]

Thank you. :)

And how do I catch the exceptions occurring while processing and 
executing the rules?


> Hi,
> If you are using 5.1 or greater, you can use 
> a KnowledgeAgentEventListener to be notified when resource's 
> compilation fails. You can create your own implementation 
> of KnowledgeAgentEventListener, or you can 
> use DefaultKnowledgeAgentEventListener and override just the methods 
> you need:
>
> kagent.addEventListener(new DefaultKnowledgeAgentEventListener() {
>    public void 
> resourceCompilationFailed(ResourceCompilationFailedEvent event) {
>        //ResourceCompilationFailedEvent contains a reference to 
> kagent's kbuilder. You can use it to see what happened.
>    }
> });
>
> Best,
>
>
> XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
>
> Esteban Aliverti
> - Developer @ http://www.plugtree.com <http://www.plugtree.com>
> - Blog @ http://ilesteban.wordpress.com
>
>
> On Sun, Oct 24, 2010 at 7:55 PM, Tina Vießmann 
> <tviessmann at stud.hs-bremen.de <mailto:tviessmann at stud.hs-bremen.de>> 
> wrote:
>
>     What's the best way for checking for errors when using the following
>     code for creating a kbase?
>
>
>             // ResourceChangeScanner
>             ResourceChangeScannerConfiguration sconf =
>     ResourceFactory.getResourceChangeScannerService().newResourceChangeScannerConfiguration();
>             sconf.setProperty("drools.resource.scanner.interval", "10");
>            
>     ResourceFactory.getResourceChangeScannerService().configure(sconf);
>
>             ResourceFactory.getResourceChangeNotifierService().start();
>             ResourceFactory.getResourceChangeScannerService().start();
>
>
>             // knowledge base
>             KnowledgeBaseConfiguration kbaseConf =
>     KnowledgeBaseFactory.newKnowledgeBaseConfiguration();
>             kbaseConf.setOption(EventProcessingOption.STREAM);
>             kbaseConf.setOption(MBeansOption.ENABLED);
>             KnowledgeBase kbase =
>     KnowledgeBaseFactory.newKnowledgeBase(kbaseConf);
>
>
>             // knowledge agent
>             KnowledgeAgentConfiguration kagentConf =
>     KnowledgeAgentFactory.newKnowledgeAgentConfiguration();
>             kagentConf.setProperty("drools.agent.newInstance", "false");
>             KnowledgeAgent kagent =
>     KnowledgeAgentFactory.newKnowledgeAgent("AITS CEP Engine Agent",
>     kbase,
>     kagentConf);
>
>
>     kagent.applyChangeSet(ResourceFactory.newClassPathResource(myFile));
>
>
>             // session
>             fSession = kbase.newStatefulKnowledgeSession();
>
>
>     Thank you.
>     Tina
>     _______________________________________________
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>
>
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