The sun-resources.xml file has been changed to glassfish-resources.xml [1] The sunResourcesXml configuration property should be updated to glassfishResourcesXml to reflect this change.

Preserve support for sunResourcesXml for backwards compatibility, but output a warning message to the console that it's deprecated.

[1] http://javahowto.blogspot.com/2011/02/sample-glassfish-resourcesxml.html
http://docs.oracle.com/cd/E18930_01/html/821-2417/giyhh.html