Hibernate与JSP开发网站问题

网页报错：
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 /bookdao.jsp at line 26

23: BookDao bdao=new BookDao(); 
24: book.setBookname(bookname); 
25: book.setBookprice(bookprice); 
26: bool= bdao.saveObject(book); 
27: System.out.println("娣诲姞鎴愬姛锛�"); 
28: } 
29: catch(Exception e) 


Stacktrace:
org.apache.jasper.servlet.JspServletWrapper.handleJspException(JspServletWrapper.java:515)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:408)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:320)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:266)
javax.servlet.http.HttpServlet.service(HttpServlet.java:803)


root cause 

javax.servlet.ServletException: java.lang.ExceptionInInitializerError
org.apache.jasper.runtime.PageContextImpl.doHandlePageException(PageContextImpl.java:855)
org.apache.jasper.runtime.PageContextImpl.handlePageException(PageContextImpl.java:784)
org.apache.jsp.bookdao_jsp._jspService(bookdao_jsp.java:98)
org.apache.jasper