originalMsgDests = original.getMessageDestinations();
this.messageDestinations = MessageDestinationsMetaData.merge(overrideMsgDests,
originalMsgDests, overridenFile, overrideFile);
if(this.jndiEnvironmentRefsGroup == null)
jndiEnvironmentRefsGroup = new JBossEnvironmentRefsGroupMetaData();
Environment env = null;
JBossEnvironmentRefsGroupMetaData jenv = null;
if( override != null )
jenv = override.jndiEnvironmentRefsGroup;
if(original != null)
env = original.getJndiEnvironmentRefsGroup();
jndiEnvironmentRefsGroup.merge(jenv, env, null, overrideFile, overridenFile, mustOverride);