[sisyphus] Запуск Tomcat5 и Java

[Andrey Shilnikov]

Не запускает аплет. При попытке отобразить соответ.страницу выводит вот это...
HTTP Status 500 - 
type Exception report
message 
description The server encountered an internal error () that prevented it from 
fulfilling this request.
exception 
javax.servlet.ServletException: org/apache/tools/ant/BuildException
        org.apache.jasper.servlet.JspServlet.service(JspServlet.java:249)
        javax.servlet.http.HttpServlet.service(HttpServlet.java:803)

root cause 
java.lang.NoClassDefFoundError: org/apache/tools/ant/BuildException
        
org.apache.jasper.JspCompilationContext.createCompiler(JspCompilationContext.java:202)
        
org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.java:470)
        
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:190)
        
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:295)
        org.apache.jasper.servlet.JspServlet.service(JspServlet.java:241)
        javax.servlet.http.HttpServlet.service(HttpServlet.java:803)

root cause 
java.lang.ClassNotFoundException: org.apache.tools.ant.BuildException
        java.net.URLClassLoader$1.run(URLClassLoader.java:200)
        java.security.AccessController.doPrivileged(Native Method)
        java.net.URLClassLoader.findClass(URLClassLoader.java:188)
        java.lang.ClassLoader.loadClass(ClassLoader.java:306)
        java.lang.ClassLoader.loadClass(ClassLoader.java:251)
        java.lang.ClassLoader.loadClassInternal(ClassLoader.java:319)
        
org.apache.jasper.JspCompilationContext.createCompiler(JspCompilationContext.java:202)
        
org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.java:470)
        
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:190)
        
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:295)
        org.apache.jasper.servlet.JspServlet.service(JspServlet.java:241)
        javax.servlet.http.HttpServlet.service(HttpServlet.java:803)

Перепробывал многое и ничего не выходит.
Заранее спасибо.