MESSAGE : Setting property 'source' to 'org.eclipse.jst.j2ee.server:XXXXXX' did not find a matching property.
< Solution >
1) Project Explorer -> Servers -> (if server is started) Click to Stop it - Tomcat v6.0 Server at localhost.server
2) Double click - Tomcat v6.0 Server at localhost.server
3) Server Options -> Check "Publish module contexts to separate XML files"
Solution with Image
: image http://blog.naver.com/castle0927/130073312208