为何我运行tomcat服务器是会出现如下异常？？？？？？？

[hanlele]

type Exception report

message Internal Server Error

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

我是我在运行jsp示例时发生的错误
exception

org.apache.jasper.JasperException: Unable to compile class for JSPerror: Invalid class file format in c:\jdk\jre\lib\rt.jar(java/lang/Object.class). The major.minor version '48.0' is too recent for this tool to understand.

C:\Tomcat 4.0\work\localhost\examples\jsp\snp\snoop$jsp.java:0: Class java.lang.Object not found in class javax.servlet.GenericServlet.
package org.apache.jsp;
^
2 errors