<html><head><meta http-equiv="Content-Type" content="text/html charset=us-ascii"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><div>Here's are some examples of logging what's going on in the knowledge base using slf4j:</div><div><br></div><div>Logging what rules have activated:</div><div><a href="https://github.com/gratiartis/scattercode-drools-scenarios/blob/master/src/main/java/uk/co/scattercode/drools/util/TrackingAgendaEventListener.java">https://github.com/gratiartis/scattercode-drools-scenarios/blob/master/src/main/java/uk/co/scattercode/drools/util/TrackingAgendaEventListener.java</a></div><div><br></div><div>Logging details of facts that have been inserted, updated and retracted:</div><div><a href="https://github.com/gratiartis/scattercode-drools-scenarios/blob/master/src/main/java/uk/co/scattercode/drools/util/TrackingWorkingMemoryEventListener.java">https://github.com/gratiartis/scattercode-drools-scenarios/blob/master/src/main/java/uk/co/scattercode/drools/util/TrackingWorkingMemoryEventListener.java</a></div><div><br></div><div>I prefer to do the logging like this myself, especially, as I like to plug in Log4J async logging. Although I guess the built-in loggers do give output in a reasonably standard XML format. If you want that, the APIs are open, so I guess you can probably use the Drools libraries to generate XML if you wish to.</div><div><br></div><div>Steve</div><div><br></div><br><div><div>On 14 Sep 2012, at 14:07, Geoffrey De Smet <<a href="mailto:ge0ffrey.spam@gmail.com">ge0ffrey.spam@gmail.com</a>> wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite">The KnowledgeRuntimeLogger implements some sort of Listener interface.<br>Implement it yourself, register it and have it log to slf4j.<br>(note that will only deal with those log messages, there might be others)<br><br>Op 14-09-12 11:29, himansu.nayak schreef:<br><blockquote type="cite">hi ge0ffrey,<br>any luck in 5.4 as our enterprise application is made on top of 5.4. any<br>workaround, any dirty way of doing this<br><br>thx<br><br><br><br>-----<br>Thanks...<br>Himansu<br>--<br>View this message in context: <a href="http://drools.46999.n3.nabble.com/KnowledgeRuntimeLogger-to-slf4j-tp4019773p4019775.html">http://drools.46999.n3.nabble.com/KnowledgeRuntimeLogger-to-slf4j-tp4019773p4019775.html</a><br>Sent from the Drools: User forum mailing list archive at <a href="http://Nabble.com">Nabble.com</a>.<br>_______________________________________________<br>rules-users mailing list<br><a href="mailto:rules-users@lists.jboss.org">rules-users@lists.jboss.org</a><br>https://lists.jboss.org/mailman/listinfo/rules-users<br><br></blockquote><br>_______________________________________________<br>rules-users mailing list<br><a href="mailto:rules-users@lists.jboss.org">rules-users@lists.jboss.org</a><br>https://lists.jboss.org/mailman/listinfo/rules-users<br></blockquote></div><br></body></html>