<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;">The book will be older, than the 6.x series.<div><br></div><div>Mark<br><div><div>On 29 Jan 2014, at 01:01, Inastrol <<a href="mailto:terry@inastrol.com">terry@inastrol.com</a>> wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite">
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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.<br>
<br>
<br>
Terry Moriarty wrote:<br>
<blockquote style="border-left:2px solid #CCCCCC;padding:0 1em" cite="x-msg://10/mid52E7FFE5.9080802@inastrol.com" type="cite">
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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.<br>
<br>
Code is kSession.insert(message);<br>
<br>
Thanks<br>
<br>
sdjoe [via Drools] wrote:<br>
<blockquote style="border-left:2px solid #CCCCCC;padding:0 1em" cite="x-msg://10/mid1390925652690-4027888.post@n3.nabble.com" type="cite"> Hard to say without seeing your code. Can you post it
here and point out where the NPE is happening on line 23? <br>
<br>
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<pre wrap=""><hr size="4" width="90%">
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;
}
}
}
</pre>
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