In my application i am using tomcat and oracle server.In my application i am using log4j api for debug purpose its working fine some OS problem mechine crashed. so i reinstalled tomcate and jdk and my application was paste into webapps folder,now the application working fine. But WHEN ANY ONE SERVLET WILL CHANGED AND COMPILED AFTER THAT I CLICK ANY ONE PAGE IT SHOWS HTTP 503 ERROR THIS APPLICATION DOES NOT EXIST..
this is error i got from the server dos prompt .
WebappClassLoader: Resource '/WEB-INF/classes/sa/VwContStatusServlet.class' was modified; Date is now: Wed Jul 13 09:59:59 IST 2005 Was: Sat Jul 09 15:47:00 IST 2005 log4j:WARN No appenders could be found for logger (util.JobScheduler). log4j:WARN Please initialize the log4j system properly.