I found that I had to make some changes to the pom.xml file of the drools examples project to get it to build. Here's the patch:
--- pom.xml 2008-06-26 11:24:57.000000000 -0600
+++ pom.xml 2008-06-26 11:26:42.000000000 -0600
@@ -5,21 +5,23 @@
<parent>
<artifactId>drools</artifactId>
<groupId>org.drools</groupId>
- <version>4.0.7.SNAPSHOT</version>
+ <version>4.0.7</version>
</parent>
<!--
TODO make this packing pom and make 2 submodules: example-waltz and example-manners
(and possibly example-common too)
-->
+ <groupId>org.drools</groupId>
<artifactId>drools-examples</artifactId>
<packaging>jar</packaging>
<name>Drools :: examples</name>
<repositories>
<repository>
- <id>basedir</id>
- <url>file://${basedir}/../m2_repo</url>
+ <id>drools</id>
+ <name>JBoss Drools Repository for Maven</name>
+ <url>http://repository.jboss.com/maven2</url>
</repository>
</repositories>