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

Salut

je suis entraine de developpe une application hibernate annotation et du html avec mysql et serveur tomact
j ai ca comme message d' erreur


INFO: The APR based Apache Tomcat Native library which allows optimal performance in production environments was not found on the java.library.path: C:\Program Files\Java\jdk1.6.0_15\bin;.;C:\WINDOWS\Sun\Java\bin;C:\WINDOWS\system32;C:\WINDOWS;C:\WINDOWS\system32;C:\WINDOWS;C:\WINDOWS\System32\Wbem;C:\Program Files\Belgium Identity Card
30-avr.-2010 10:35:56 org.apache.tomcat.util.digester.SetPropertiesRule begin
ATTENTION: [SetPropertiesRule]{Server/Service/Engine/Host/Context} Setting property 'source' to 'org.eclipse.jst.jee.server:Search_projet' did not find a matching property.

merci