Hi,<div>If you are using 5.1 or greater, you can use a KnowledgeAgentEventListener to be notified when resource&#39;s compilation fails. You can create your own implementation of KnowledgeAgentEventListener, or you can use DefaultKnowledgeAgentEventListener and override just the methods you need:</div>

<div><br></div><div>kagent.addEventListener(new <meta http-equiv="content-type" content="text/html; charset=utf-8">DefaultKnowledgeAgentEventListener() {</div><div>   public void resourceCompilationFailed(ResourceCompilationFailedEvent event) {</div>

<div>       //ResourceCompilationFailedEvent contains a reference to kagent&#39;s kbuilder. You can use it to see what happened.</div><meta http-equiv="content-type" content="text/html; charset=utf-8"><div>   }</div><div>

});</div><div><br></div><div>Best,</div><div><br clear="all"><br>XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX<br><br>Esteban Aliverti<br>- Developer @ <a href="http://www.plugtree.com" target="_blank">http://www.plugtree.com </a><br>

- Blog @ <a href="http://ilesteban.wordpress.com" target="_blank">http://ilesteban.wordpress.com</a><br>
<br><br><div class="gmail_quote">On Sun, Oct 24, 2010 at 7:55 PM, Tina Vießmann <span dir="ltr">&lt;<a href="mailto:tviessmann@stud.hs-bremen.de">tviessmann@stud.hs-bremen.de</a>&gt;</span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">

What&#39;s the best way for checking for errors when using the following<br>
code for creating a kbase?<br>
<br>
<br>
         // ResourceChangeScanner<br>
         ResourceChangeScannerConfiguration sconf =<br>
ResourceFactory.getResourceChangeScannerService().newResourceChangeScannerConfiguration();<br>
         sconf.setProperty(&quot;drools.resource.scanner.interval&quot;, &quot;10&quot;);<br>
         ResourceFactory.getResourceChangeScannerService().configure(sconf);<br>
<br>
         ResourceFactory.getResourceChangeNotifierService().start();<br>
         ResourceFactory.getResourceChangeScannerService().start();<br>
<br>
<br>
         // knowledge base<br>
         KnowledgeBaseConfiguration kbaseConf =<br>
KnowledgeBaseFactory.newKnowledgeBaseConfiguration();<br>
         kbaseConf.setOption(EventProcessingOption.STREAM);<br>
         kbaseConf.setOption(MBeansOption.ENABLED);<br>
         KnowledgeBase kbase =<br>
KnowledgeBaseFactory.newKnowledgeBase(kbaseConf);<br>
<br>
<br>
         // knowledge agent<br>
         KnowledgeAgentConfiguration kagentConf =<br>
KnowledgeAgentFactory.newKnowledgeAgentConfiguration();<br>
         kagentConf.setProperty(&quot;drools.agent.newInstance&quot;, &quot;false&quot;);<br>
         KnowledgeAgent kagent =<br>
KnowledgeAgentFactory.newKnowledgeAgent(&quot;AITS CEP Engine Agent&quot;, kbase,<br>
kagentConf);<br>
<br>
<br>
kagent.applyChangeSet(ResourceFactory.newClassPathResource(myFile));<br>
<br>
<br>
         // session<br>
         fSession = kbase.newStatefulKnowledgeSession();<br>
<br>
<br>
Thank you.<br>
Tina<br>
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</blockquote></div><br></div>