'org.dspace.xmlui.excalibur:excalibur-pool-impl:2.1'
<dependency>
<groupId>org.dspace.xmlui.excalibur</groupId>
<artifactId>excalibur-pool-impl</artifactId>
<version>2.1</version>
</dependency>
<dependency org="org.dspace.xmlui.excalibur" name="excalibur-pool-impl" rev="2.1"/>
"org.dspace.xmlui.excalibur", "excalibur-pool-impl", "2.1"