Re: [rules-users] Drools, slf4j and Eclipse Error on DroolsTest.Java

The book will be older, than the 6.x series. Mark On 29 Jan 2014, at 01:01, Inastrol <terry(a)inastrol.com <mailto:terry@inastrol.com>> wrote: > Figured out the problem. Didn't have Maven installed as a plug-in > correctly. The book I'm using to learn Drools, didn't include that step. > > > Terry Moriarty wrote: > >> This isn't my code. It's created when a Drools project is created >> in Eclipse. I guess that's why this is so frustrating. It's >> supposed to demonstrate a very simple Drools program and I can't get >> it to work. It's hard to debug someone else's code when you don't >> know the language yet. >> >> Code is kSession.insert(message); >> >> Thanks >> >> sdjoe [via Drools] wrote: >> >>> Hard to say without seeing your code. Can you post it here and >>> point out where the NPE is happening on line 23? >>> >>> ------------------------------------------------------------------------ >>> If you reply to this email, your message will be added to the >>> discussion below: >>> http://drools.46999.n3.nabble.com/Drools-slf4j-and-Eclipse-Error-on-Drool... >>> >>> To unsubscribe from Drools, slf4j and Eclipse Error on >>> DroolsTest.Java, click here. >>> NAML >>> <http://drools.46999.n3.nabble.com/template/NamlServlet.jtp?macro=macro_vi... >>> >> >>------------------------------------------------------------------------ >> >>package com.sample; >> >>import org.kie.api.KieServices; >>import org.kie.api.runtime.KieContainer; >>import org.kie.api.runtime.KieSession; >> >>/** >> * This is a sample class to launch a rule. >> */ >>public class DroolsTest { >> >> public static final void main(String[] args) { >> try { >> // load up the knowledge base >> KieServices ks = KieServices.Factory.get(); >> KieContainer kContainer = ks.getKieClasspathContainer(); >> KieSession kSession = kContainer.newKieSession("ksession-rules"); >> >> // go ! >> Message message = new Message(); >> message.setMessage("Hello World"); >> message.setStatus(Message.HELLO); >> kSession.insert(message); >> kSession.fireAllRules(); >> } catch (Throwable t) { >> t.printStackTrace(); >> } >> } >> >> public static class Message { >> >> public static final int HELLO = 0; >> public static final int GOODBYE = 1; >> >> private String message; >> >> private int status; >> >> public String getMessage() { >> return this.message; >> } >> >> public void setMessage(String message) { >> this.message = message; >> } >> >> public int getStatus() { >> return this.status; >> } >> >> public void setStatus(int status) { >> this.status = status; >> } >> >> } >> >>} >> >> > > ------------------------------------------------------------------------ > View this message in context: Re: Drools, slf4j and Eclipse Error on > DroolsTest.Java > <http://drools.46999.n3.nabble.com/Drools-slf4j-and-Eclipse-Error-on-Drool... > Sent from the Drools: User forum mailing list archive > <http://drools.46999.n3.nabble.com/Drools-User-forum-f47000.html> at > Nabble.com <http://Nabble.com>;. > _______________________________________________ > rules-users mailing list > rules-users(a)lists.jboss.org <mailto:rules-users@lists.jboss.org> > https://lists.jboss.org/mailman/listinfo/rules-users ------------------------------------------------------------------------ _______________________________________________ rules-users mailing list rules-users(a)lists.jboss.org https://lists.jboss.org/mailman/listinfo/rules-users