JSP Help needed

i'm now starting to study JSPs and just bought a
book by Wrox(Java Server Programming) and i have a problem with
some codes..i always got exception and i don't knwo why,..maybe you
could help me out..here is my simple code adn the exeption and also
my classpath settings:
ClassPath:
.;%classpath%;
%JAVA_HOME%\lib\tools.jar;
.;%J2EE_HOME%\lib\j2ee.jar;
.;%TOMCAT_HOME%\lib\servlet.jar;
.;%JAVA_HOME%\jre\lib\rt.jar;
.;%JAVA_HOME%\lib;
.;%JAVA_HOME%\jre\lib\ext\servlet.jar
Path:
%SYSTEMROOT%;
%SYSTEMROOT%\COMMAND;
.;%JAVA_HOME%\bin;
c:\Tomcat\bin;
%SYSTEMROOT%\system32;
%SYSTEMROOT%\system32\WBEM;
c:\windows\command;
.;%J2EE_HOME%\bin
Here is my Jsp code:
<%@page import="java.util.Date"%>
<html>
     <body>
     The current time is <%= new Date().toString() %>     
     </body>
</html>
Here is the Exception:
Error: 500
Location: /JSPExamples/simple.jsp
Internal Servlet Error:
javax.servlet.ServletException
     at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:399)
     at javax.servlet.http.HttpServlet.service(HttpServlet.java:840)
     at org.apache.tomcat.core.ServletWrapper.doService(ServletWrapper.java:404)
     at org.apache.tomcat.core.Handler.service(Handler.java:286)
     at org.apache.tomcat.core.ServletWrapper.service(ServletWrapper.java:372)
     at org.apache.tomcat.core.ContextManager.internalService(ContextManager.java:797)
     at org.apache.tomcat.core.ContextManager.service(ContextManager.java:743)
     at org.apache.tomcat.service.http.HttpConnectionHandler.processConnection(HttpConnectionHandler.java:210)
     at org.apache.tomcat.service.TcpWorkerThread.runIt(PoolTcpEndpoint.java:416)
     at org.apache.tomcat.util.ThreadPool$ControlRunnable.run(ThreadPool.java:498)
     at java.lang.Thread.run(Thread.java:484)
Root cause:
java.lang.NoSuchMethodError
     at org.apache.jasper.runtime.JspWriterImpl.flush(JspWriterImpl.java:209)
     at _0002fsimple_0002ejspsimple_jsp_0._jspService(_0002fsimple_0002ejspsimple_jsp_0.java:75)
     at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:119)
     at javax.servlet.http.HttpServlet.service(HttpServlet.java:840)
     at org.apache.jasper.servlet.JspServlet$JspServletWrapper.service(JspServlet.java:177)
     at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:318)
     at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:391)
     at javax.servlet.http.HttpServlet.service(HttpServlet.java:840)
     at org.apache.tomcat.core.ServletWrapper.doService(ServletWrapper.java:404)
     at org.apache.tomcat.core.Handler.service(Handler.java:286)
     at org.apache.tomcat.core.ServletWrapper.service(ServletWrapper.java:372)
     at org.apache.tomcat.core.ContextManager.internalService(ContextManager.java:797)
     at org.apache.tomcat.core.ContextManager.service(ContextManager.java:743)
     at org.apache.tomcat.service.http.HttpConnectionHandler.processConnection(HttpConnectionHandler.java:210)
     at org.apache.tomcat.service.TcpWorkerThread.runIt(PoolTcpEndpoint.java:416)
     at org.apache.tomcat.util.ThreadPool$ControlRunnable.run(ThreadPool.java:498)
     at java.lang.Thread.run(Thread.java:484)

it worked OK on my machine. Can you browse Tomcat's default content OK? For example, if you point your browser at:
http://localhost:8080
Do you see the tomcat "homepage"? If so, try clicking on some of the JSP examples there - do they work?
Another thing to try is this: look in the tomcat directory, and you'll find a subdirectory called "work". This is the "cache" directory, where tomcat puts the servlet code it has generated from your JSP.
There will probably be a few subdirectories within this "work" directory, all called something like "localhost_8080%2FMYAppname". In one of these directories you'll find a file called "_0002fsimple_0002ejspsimple_jsp_0.java"
If you open this in an editor you can look at line 75 to see exactly what the thing is barfing on.

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    Kevin

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