求助 Apache2.0.48+Tomcat5.0.19+mysql4.0.18+JDK1.4+JSP/servlet整合的问题

[abel2002]

为什么http://localhost 和http://localhost:8080 显示的内容不一样？
为什么我用http://localhost:8080/test.jsp 可以运行但换成http://localhost/test.jsp 就不能成功运行呢？错误如下
Internal Server Error
The server encountered an internal error or misconfiguration and was unable to complete your request.

Please contact the server administrator, [e-mail] and inform them of the time the error occurred, and anything you might have done that may have caused the error.

More information about this error may be available in the server error log.


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Apache/2.0.48 (Win32) mod_jk2/2.0.2 Server at localhost Port 80
而且启动apache2的时候出现错误
“每个套接字地址只容许使用一次......."也就是端口号80不能用
我用的是win2003 server