Setting property 'source' to 'org.eclipse.jst.j2ee.server:XXX' did not find a matching property

Error:
[SetPropertiesRule]{Server/Service/Engine/Host/Context} Setting property 'source' to 'org.eclipse.jst.j2ee.server:demo' did not find a matching property

Solucion:
http://gyrbsdl.springnote.com/pages/5304425?print=1

Understanding Tomcat Context Containers