'org.apache.juli.ClassLoaderLogManager' referenced by java.util.logging.manager, class not found

Using CATALINA_BASE:   /usr/share/tomcat5
Using CATALINA_HOME:   /usr/share/tomcat5
Using CATALINA_TMPDIR: /usr/share/tomcat5/temp
Using JRE_HOME:
WARNING: error instantiating 'org.apache.juli.ClassLoaderLogManager' referenced by java.util.logging.manager, class not found
java.lang.ClassNotFoundException: org.apache.juli.ClassLoaderLogManager not found
   <<No stacktrace available>>
WARNING: error instantiating '1catalina.org.apache.juli.FileHandler,' referenced by handlers, class not found
java.lang.ClassNotFoundException: 1catalina.org.apache.juli.FileHandler,
   <<No stacktrace available>>
Exception during runtime initialization
java.lang.ExceptionInInitializerError
   <<No stacktrace available>>
Caused by: java.lang.NullPointerException
   <<No stacktrace available>>
this is the log file , what wrong with it , and how can i fix it ?