<dependency>
<groupId>dom4j</groupId>
<artifactId>dom4j</artifactId>
+ <optional>true</optional>
</dependency>
<dependency>
<groupId>net.sf.ehcache</groupId>
<artifactId>ehcache</artifactId>
+ <optional>true</optional>
</dependency>
<dependency>
<groupId>jaxen</groupId>
<artifactId>jaxen</artifactId>
+ <optional>true</optional>
</dependency>
</dependencies>