圣光裁决和鹰王哪个好:我想让IIS支持JSP开始，但出现一个错误：

当我修改server.xml文件，把<Connector className="org.apache.ajp.tomcat4.Ajp13Connector"
port="8009" minProcessors="5" maxProcessors="75"
acceptCount="10" debug="0"/>的注释符去掉这后，运行TOMCAT时就会有错误，用8080端口访问正常的JSP文件，不输入这个端口号也无法访问。请问如何解决？
报错信息大概如下：
java.net.BindException: Address already in use: JVM_Bind
at java.net.PlainSocketImpl.socketBind(Native Method)
at java.net.PlainSocketImpl.bind(PlainSocketImpl.java:359)
at java.net.ServerSocket.bind(ServerSocket.java:319)
at java.net.ServerSocket.<init>(ServerSocket.java:185)
at java.net.ServerSocket.<init>(ServerSocket.java:141)
at org.apache.catalina.net.DefaultServerSocketFactory.createSocket(Defau
ltServerSocketFactory.java:100)
at org.apache.ajp.tomcat4.Ajp13Connector.open(Ajp13Connector.java:774)
at org.apache.ajp.tomcat4.Ajp13Connector.start(Ajp13Connector.java:1025)

at org.apache.catalina.core.StandardService.start(StandardService.java:4
59)
at org.apache.catalina.core.StandardServer.start(StandardServer.java:214
3)
at org.apache.catalina.startup.Catalina.start(Catalina.java:463)
at org.apache.catalina.startup.Catalina.execute(Catalina.java:350)
at org.apache.catalina.startup.Catalina.process(Catalina.java:129)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.
java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAcces
sorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:589)
at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:156)
Exception in thread "Ajp13Connector[8009]" java.lang.NullPointerException
at org.apache.ajp.tomcat4.Ajp13Connector.run(Ajp13Connector.java:818)
at java.lang.Thread.run(Thread.java:620)