向JSP页面引入自定义类，求救；
我写了一个JAVA类
public class test
{
public void speak()
{
System.out.println("hello world");
}
}
编译成CLASS后放在\webapps\ROOT\WEB-INF\classes\deal下面；
然后在JSP页面引用
<%@page import = "deal.test"%>
<%
test tt = new test();
%>
可是老报错：
请问是我写错了吗， 我也是刚学， 麻烦大家帮忙下， 看看是什么错误，谢谢//
type Exception report

message 

description The server encountered an internal error () that prevented it from fulfilling this request.

exception 

org.apache.jasper.JasperException: An exception occurred processing JSP page /connectDatabase.jsp at line 3

1: <%@page import = "deal.test"%>
2: <%
3: test tt = new test();
4: %>


Stacktrace:
org.apache.jasper.servlet.JspServletWrapper.handleJspException(JspServletWrapper.java:567)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:456)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:389)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:333)
javax.servlet.http.HttpServlet.service(HttpServlet.java:722)


root cause 

javax.servlet.ServletException: java.lang.NoClassDefFoundError: test
org.apache.jasper.runtime.PageContextImpl.doHandlePageException(PageContextImpl.java:911)
org.apache.jasper.runtime.PageContextImpl.handlePageException(PageContextImpl.java:840)
org.apache.jsp.connectDatabase_jsp._jspService(connectDatabase_jsp.java:73)
org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
javax.servlet.http.HttpServlet.service(HttpServlet.java:722)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:433)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:389)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:333)
javax.servlet.http.HttpServlet.service(HttpServlet.java:722)


root cause 

java.lang.NoClassDefFoundError: test
org.apache.jsp.connectDatabase_jsp._jspService(connectDatabase_jsp.java:66)
org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
javax.servlet.http.HttpServlet.service(HttpServlet.java:722)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:433)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:389)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:333)
javax.servlet.http.HttpServlet.service(HttpServlet.java:722)


root cause 

java.lang.ClassNotFoundException: test
org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1678)
org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1523)
org.apache.jasper.servlet.JasperLoader.loadClass(JasperLoader.java:126)
org.apache.jasper.servlet.JasperLoader.loadClass(JasperLoader.java:63)
org.apache.jsp.connectDatabase_jsp._jspService(connectDatabase_jsp.java:66)
org.apache.jasper.runtime.HttpJspBase.service(HttpJspBas