tomcat

请哪位高手指教，tomat 启用不了是为什么啊
错误如下
2009-4-15 20:44:34 org.apache.coyote.http11.Http11Protocol init
严重: Error initializing endpoint
java.net.BindException: Address already in use: JVM_Bind:8080
at org.apache.tomcat.util.net.PoolTcpEndpoint.initEndpoint(PoolTcpEndpoint.java:297)
at org.apache.coyote.http11.Http11Protocol.init(Http11Protocol.java:142)
at org.apache.catalina.connector.Connector.initialize(Connector.java:928)
at org.apache.catalina.core.StandardService.initialize(StandardService.java:580)
at org.apache.catalina.core.StandardServer.initialize(StandardServer.java:764)
at org.apache.catalina.startup.Catalina.load(Catalina.java:490)
at org.apache.catalina.startup.Catalina.load(Catalina.java:509)
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:597)
at org.apache.catalina.startup.Bootstrap.load(Bootstrap.java:243)
at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:408)
2009-4-15 20:44:34 org.apache.catalina.startup.Catalina load
严重: Catalina.start
LifecycleException:  Protocol handler initialization failed: java.net.BindException: Address already in use: JVM_Bind:8080
at org.apache.catalina.connector.Connector.initialize(Connector.java:930)
at org.apache.catalina.core.StandardService.initialize(StandardService.java:580)
at org.apache.catalina.core.StandardServer.initialize(StandardServer.java:764)
at org.apache.catalina.startup.Catalina.load(Catalina.java:490)
at org.apache.catalina.startup.Catalina.load(Catalina.java:509)
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:597)
at org.apache.catalina.startup.Bootstrap.load(Bootstrap.java:243)
at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:408)
2009-4-15 20:44:34 org.apache.catalina.startup.Catalina load
信息: Initialization processed in 469 ms
2009-4-15 20:44:34 org.apache.catalina.core.StandardService start
信息: Starting service Catalina
2009-4-15 20:44:34 org.apache.catalina.core.StandardEngine start
信息: Starting Servlet Engine: Apache Tomcat/5.5.9
2009-4-15 20:44:34 org.apache.catalina.core.StandardHost start
信息: XML validation disabled
2009-4-15 20:44:34 org.apache.catalina.core.ApplicationContext log
信息: org.apache.webapp.balancer.BalancerFilter: init(): ruleChain: [org.apache.webapp.balancer.RuleChain: [org.apache.webapp.balancer.rules.URLStringMatchRule: Target string: News / Redirect URL: http://www.cnn.com], [org.apache.webapp.balancer.rules.RequestParameterRule: Target param name: paramName / Target param value: paramValue / Redirect URL: http://www.yahoo.com], [org.apache.webapp.balancer.rules.AcceptEverythingRule: Redirect URL: http://jakarta.apache.org]]
2009-4-15 20:44:34 org.apache.catalina.core.ApplicationContext log
信息: ContextListener: contextInitialized()
2009-4-15 20:44:34 org.apache.catalina.core.ApplicationContext log
信息: SessionListener: contextInitialized()
2009-4-15 20:44:34 org.apache.catalina.core.ApplicationContext log
信息: ContextListener: contextInitialized()
2009-4-15 20:44:34 org.apache.catalina.core.ApplicationContext log
信息: SessionListener: contextInitialized()
2009-4-15 20:44:34 org.apache.coyote.http11.Http11Protocol start
严重: Error starting endpoint
java.net.BindException: Address already in use: JVM_Bind:8080
at org.apache.tomcat.util.net.PoolTcpEndpoint.initEndpoint(PoolTcpEndpoint.java:297)
at org.apache.tomcat.util.net.PoolTcpEndpoint.startEndpoint(PoolTcpEndpoint.java:312)
at org.apache.coyote.http11.Http11Protocol.start(Http11Protocol.java:182)
at org.apache.catalina.connector.Connector.start(Connector.java:1001)
at org.apache.catalina.core.StandardService.start(StandardService.java:459)
at org.apache.catalina.core.StandardServer.start(StandardServer.java:683)
at org.apache.catalina.startup.Catalina.start(Catalina.java:537)
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:597)
at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:271)
at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:409)
2009-4-15 20:44:34 org.apache.catalina.startup.Catalina start
严重: Catalina.start: 
LifecycleException:  Protocol handler start failed: java.net.BindException: Address already in use: JVM_Bind:8080
at org.apache.catalina.connector.Connector.start(Connector.java:1003)
at org.apache.catalina.core.StandardService.start(StandardService.java:459)
at org.apache.catalina.core.StandardServer.start(StandardServer.java:683)
at org.apache.catalina.startup.Catalina.start(Catalina.java:537)
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:597)
at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:271)
at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:409)
2009-4-15 20:44:34 org.apache.catalina.startup.Catalina start
信息: Server startup in 687 ms
2009-4-15 20:44:34 org.apache.catalina.core.StandardServer await
严重: StandardServer.await: create[8005]: 
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 org.apache.catalina.core.StandardServer.await(StandardServer.java:346)
at org.apache.catalina.startup.Catalina.await(Catalina.java:600)
at org.apache.catalina.startup.Catalina.start(Catalina.java:560)
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:597)
at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:271)
at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:409)