The web.xml can define | <!-- ### Environment (java:comp/env/) --> | <env-entry> | <description>Integer0</description> | <env-entry-name>Ints/i0</env-entry-name> | <env-entry-type>java.lang.Integer</env-entry-type> | <env-entry-value>0</env-entry-value> | </env-entry> | <env-entry> | <description>Integer1</description> | <env-entry-name>Ints/i1</env-entry-name> | <env-entry-type>java.lang.Integer</env-entry-type> | <env-entry-value>1</env-entry-value> | </env-entry> | <env-entry> | <description>Float0</description> | <env-entry-name>Floats/f0</env-entry-name> | <env-entry-type>java.lang.Float</env-entry-type> | <env-entry-value>0.0</env-entry-value> | </env-entry> | This is a ToDo in the MappedReferenceMetaDataResolverDeployer. This was previously handled in JBoss 4.2 with the bindEnvEntry method http://anonsvn.jboss.org/repos/jbossas/branches/Branch_4_2/server/src/mai... I am going to make an attempt at solving this. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4154064#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...