Unable to run JSPs on Windows 98 using Tomcat

[SBurli5064]

Hi,

  I have installed Tomcat 3.1 on my Windows 98 machine. My servlets are 
running fine but I am unable to run JSPs. It is giving me the following error:

java.lang.NoClassDefFoundError: sun/tools/javac/Main
        at 
org.apache.jasper.compiler.SunJavaCompiler.compile(SunJavaCompiler.ja
va:128)
        at org.apache.jasper.compiler.Compiler.compile(Compiler.java, 
Compiled C
ode)
        at org.apache.jasper.runtime.JspServlet.loadJSP(JspServlet.java:413)
        at 
org.apache.jasper.runtime.JspServlet$JspServletWrapper.loadIfNecessar
y(JspServlet.java:149)
        at 
org.apache.jasper.runtime.JspServlet$JspServletWrapper.service(JspSer
vlet.java:161)
        at 
org.apache.jasper.runtime.JspServlet.serviceJspFile(JspServlet.java:2
61)
        at org.apache.jasper.runtime.JspServlet.service(JspServlet.java, 
Compile
d Code)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
        at 
org.apache.tomcat.core.ServletWrapper.handleRequest(ServletWrapper.ja
va, Compiled Code)
        at 
org.apache.tomcat.core.ContextManager.service(ContextManager.java:559
)
        at 
org.apache.tomcat.service.http.HttpConnectionHandler.processConnectio
n(HttpConnectionHandler.java:160)
        at 
org.apache.tomcat.service.TcpConnectionThread.run(SimpleTcpEndpoint.j
ava:338)
        at java.lang.Thread.run(Thread.java:479)

Could someone suggest me a solution to this?
Thanks