server setup wizard uCMDB

Hello,

Tell me when starting the server setup wizard UCMDB an error appears:

log4j:WARN No appenders could be found for logger (com.mercury.topaz.cmdb.server
.util.InstallerUtil).

log4j:WARN Please initialize the log4j system properly.

log4j:WARN See http://logging.apache.org/log4j/1.2/faq.html#noconfig for morein
fo.

Exception in thread "AWT-EventQueue-0" java.lang.NullPointerException

Tell me what is the problem?