如果访问不了的话，可以看一下tomcat的输出。
[root@c2403 apache-tomcat-6.0.20]# catalina.sh runUsing CATALINA_BASE: /usr/local/tomcatUsing CATALINA_HOME: /usr/local/tomcatUsing CATALINA_TMPDIR: /usr/local/tomcat/tempUsing JAVA_HOME: /usr/java/jdkAug 31, 2009 3:54:12 PM org.apache.coyote.http11.Http11Protocol initSEVERE: Error initializing endpointjava.net.BindException: Address already in use:80 at org.apache.tomcat.util.net.PoolTcpEndpoint.initEndpoint(PoolTcpEndpoint.java:258) at org.apache.coyote.http11.Http11Protocol.init(Http11Protocol.java:143) at org.apache.coyote.tomcat5.CoyoteConnector.initialize(CoyoteConnector.java:1402) at org.apache.catalina.core.StandardService.initialize(StandardService.java:605) at org.apache.catalina.core.StandardServer.initialize(StandardServer.java:2369) at org.apache.catalina.startup.Catalina.load(Catalina.java:507) at org.apache.catalina.startup.Catalina.load(Catalina.java:528) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:585) at org.apache.catalina.startup.Bootstrap.load(Bootstrap.java:247) at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:421)Aug 31, 2009 3:54:12 PM org.apache.catalina.startup.Catalina load
上面就是端口占用了，所以老起不来。
