Errore strano in console Java

[andbin]

28-Oct-2018 17:00:14.664 INFORMAZIONI [ContainerBackgroundProcessor[StandardEngine[Catalina]]] org.apache.catalina.startup.HostConfig.deployDirectory Deploying web application directory [F:\Java\apache-tomcat-9.0.11\webapps\manager]
28-Oct-2018 17:00:14.867 INFORMAZIONI [ContainerBackgroundProcessor[StandardEngine[Catalina]]] org.apache.jasper.servlet.TldScanner.scanJars At least one JAR was scanned for TLDs yet contained no TLDs. Enable debug logging for this logger for a complete list of JARs that were scanned but no TLDs were found in them. Skipping unneeded JARs during scanning can improve startup time and JSP compilation time.
28-Oct-2018 17:00:14.874 INFORMAZIONI [ContainerBackgroundProcessor[StandardEngine[Catalina]]] org.apache.catalina.startup.HostConfig.deployDirectory Deployment of web application directory [F:\Java\apache-tomcat-9.0.11\webapps\manager] has finished in [210] ms

Sono solo righe "informative". Non c'è alcun errore rilevante.