tomcat集群问题?  当tomcat在不同物理机器时,  在tomcat2中我把mcastBindAddress="127.16.1.30"改成tomcat1所在的IP地址,为什么不能绑定
2007-4-18   14:27:27   org.apache.catalina.cluster.tcp.SimpleTcpCluster   start 
 SEVERE:   Unable   to   start   cluster.  
java.net.BindException:   Cannot   assign   requested   address:   Cannot   bind 
                         at   java.net.PlainDatagramSocketImpl.bind0(Native   Method) 
                         at   java.net.PlainDatagramSocketImpl.bind(PlainDatagramSocketImpl.java:82 
 ) 
                         at   java.net.DatagramSocket.bind(DatagramSocket.java:368) 
                         at   java.net.MulticastSocket. <init> (MulticastSocket.java:147) 
                         at   org.apache.catalina.cluster.mcast.McastServiceImpl.setupSocket(McastS 
 erviceImpl.java:145) 
                         at   org.apache.catalina.cluster.mcast.McastServiceImpl. <init> (McastServic 
 eImpl.java:131) 
                         at   org.apache.catalina.cluster.mcast.McastService.start(McastService.jav 
 a:304) 
                         at   org.apache.catalina.cluster.mcast.McastService.start(McastService.jav 
 a:260) 
                         at   org.apache.catalina.cluster.tcp.SimpleTcpCluster.start(SimpleTcpClust 
 er.java:769) 
                         at   org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1003)      
                         at   org.apache.catalina.core.StandardHost.start(StandardHost.java:718) 
                         at   org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1013)      
                         at   org.apache.catalina.core.StandardEngine.start(StandardEngine.java:442 
 ) 
                         at   org.apache.catalina.core.StandardService.start(StandardService.java:4 
 50) 
                         at   org.apache.catalina.core.StandardServer.start(StandardServer.java:709 
 ) 
                         at   org.apache.catalina.startup.Catalina.start(Catalina.java:551) 
                         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:585) 
                         at   org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:294) 
                         at   org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:432) 
 2007-4-18   14:27:27   org.apache.cat