Shutting down 'zfsr' pool immediately [Shutdown Hook]

今天遇到了个问题，

 

protected void doPost(HttpServletRequest req, HttpServletResponse resp)   throws ServletException, IOException {   GameFrame frame=new GameFrame();   frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);   frame.show();   //上面调用一个java的小程序  // 此处是跳转的页面   resp.sendRedirect("index.jsp");  }

 

当我关闭 小程序后报错，tomcat自动停止

 

 

 Shutting down 'zfsr' pool immediately [Shutdown Hook]
2011-3-9 18:19:14 org.apache.coyote.http11.Http11Protocol pause
信息: Pausing Coyote HTTP/1.1 on http-8080
- Stopping Prototyper thread
- Stopping HouseKeeper thread
- 通过包名加类名创建类的对象时异常！异常发生在com.future.db.TransactionProxy类的getInstance(String path)方法异常信息：com.pager.test.biz.impl.UserBizImpl
java.lang.ClassNotFoundException: com.pager.test.biz.impl.UserBizImpl
 at com.webbook.db.TransactionProxy.getInstance(TransactionProxy.java:35)
 at com.webbook.servlet.FindUserServlet.<clinit>(FindUserServlet.java:31)
 at sun.misc.Unsafe.ensureClassInitialized(Native Method)