Browsing over the text, this hit my eye: DROOLS_GUVNOR_<b>CHAGNE</b>_SET_XML_PATH<br><br>Change this to CHANGE!<br>-W<br><br><br><div class="gmail_quote">On 30 August 2011 11:32, ayonchak <span dir="ltr"><<a href="mailto:ayon.chakraborty@genworth.com">ayon.chakraborty@genworth.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">Hi All,<br>
<br>
I am getting Nullpointer exception the application is trying to<br>
reloadKnwledgeBase. I have the following code in application.<br>
<br>
public void init() {<br>
<a href="http://logger.info" target="_blank">logger.info</a>("Group Rule Engine Initiated..!!");<br>
/**<br>
* Polling interval needs to be externalized<br>
*/<br>
<br>
knowledgeAgent = KnowledgeAgentFactory.newKnowledgeAgent("FiveSeries");<br>
knowledgeAgent.applyChangeSet(ResourceFactory<br>
.newFileResource(propertyReader<br>
.getProperty("DROOLS_GUVNOR_CHAGNE_SET_XML_PATH")));<br>
<br>
ResourceFactory.getResourceChangeScannerService().start();<br>
ResourceFactory.getResourceChangeNotifierService().start();<br>
<br>
if (knowledgeAgent != null && knowledgeAgent.getKnowledgeBase()!=null &&<br>
!knowledgeAgent.getKnowledgeBase().getKnowledgePackages().isEmpty()) {<br>
knowledgeBase = knowledgeAgent.getKnowledgeBase();<br>
}<br>
<a href="http://logger.info" target="_blank">logger.info</a>("Group Rule Engine is ready to use..!!");<br>
}<br>
<br>
public void reloadKnowledgeBase() {<br>
if (knowledgeAgent != null && knowledgeAgent.getKnowledgeBase()!=null &&<br>
!knowledgeAgent.getKnowledgeBase().getKnowledgePackages().isEmpty()) {<br>
knowledgeBase = knowledgeAgent.getKnowledgeBase();<br>
logger.debug("KnowledgeBase reloaded..!!");<br>
} else {<br>
<a href="http://logger.info" target="_blank">logger.info</a>("KnowledgeBase not reloaded..!!");<br>
ResourceFactory.getResourceChangeScannerService().stop();<br>
ResourceFactory.getResourceChangeNotifierService().stop();<br>
init();<br>
}<br>
}<br>
<br>
reloadKnowledgeBase() is called once in application during Login. The<br>
problem is occurring in Development application. When I am using that<br>
Change-Set.xml in my local application, it is working perfectly fine. I m<br>
not getting the problem. I bounced both Jboss and application servers but<br>
still no luck!<br>
<font color="#888888"><br>
--<br>
View this message in context: <a href="http://drools.46999.n3.nabble.com/reloadKnowledgeBase-java-lang-NullPointerException-tp3295019p3295019.html" target="_blank">http://drools.46999.n3.nabble.com/reloadKnowledgeBase-java-lang-NullPointerException-tp3295019p3295019.html</a><br>
Sent from the Drools: User forum mailing list archive at Nabble.com.<br>
_______________________________________________<br>
rules-users mailing list<br>
<a href="mailto:rules-users@lists.jboss.org">rules-users@lists.jboss.org</a><br>
<a href="https://lists.jboss.org/mailman/listinfo/rules-users" target="_blank">https://lists.jboss.org/mailman/listinfo/rules-users</a><br>
</font></blockquote></div><br>