JAVASERVLETS not working with weblogic server

[admin]

hi,i'm working with weblogic.but, my servlets are not working.when i run examples they work fine.when i run my servlets from webbrowser i get the following errorsinternal 500 error in the web browser.in msdos wwindow iget the following errrosjavax.servlet.servletexception.servlet class sree.helloworld could not be loadedthe requested class was not found in classpathat weblogic.servlet.internal.servletstubimpl.prepareservlet(),weblogic.servlet.internal.servl etstubimpl.getservlet(),weblogic.servlet.internal.servletstubimpl..invoke()