deploy order using depends in jboss-web.xml

[quentincompson]

<jboss-web>
 <context-root>/</context-root>
 <virtual-host>vhost</virtual-host>
 <depends>jboss.jca:service=ManagedConnectionPool,name=someDS</depends>
</jboss-web>

this does not seem to work. is there an error here? thx