XBean is a plugin based server archtecutre.
'org.xbean:xbean-kernel:2.1'
<dependency>
<groupId>org.xbean</groupId>
<artifactId>xbean-kernel</artifactId>
<version>2.1</version>
</dependency>
<dependency org="org.xbean" name="xbean-kernel" rev="2.1"/>
"org.xbean", "xbean-kernel", "2.1"