Everything work fine but suddently it comes out with this error message.

Please advice. Thanks.

ERROR reading /usr/local/jakarta-tomcat-4.1.27/conf/server.xml at
line 24
/Server/Listener/
className=org.apache.catalina.mbeans.ServerLifecycleListener debug=0

Catalina.start:java.lang.ClassNotFoundException:
org.apache.catalina.mbenas.ServerLifecycleListener
java.lang.ClassNotFoundException:
org.apache.catalina.mbeans.ServerLifecycleListener