按下Tomcat启动按钮后就出来下面的信息：
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.Http11BaseProtocol.init(Http11BaseProtocol.java:138)
at org.apache.catalina.connector.Connector.initialize(Connector.java:1016)
at org.apache.catalina.core.StandardService.initialize(StandardService.java:580)
at org.apache.catalina.core.StandardServer.initialize(StandardServer.java:791)
at org.apache.catalina.startup.Catalina.load(Catalina.java:503)
at org.apache.catalina.startup.Catalina.load(Catalina.java:523)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at org.apache.catalina.startup.Bootstrap.load(Bootstrap.java:266)
at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:431)
2007-7-4 23:14:13 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:1018)
at org.apache.catalina.core.StandardService.initialize(StandardService.java:580)
at org.apache.catalina.core.StandardServer.initialize(StandardServer.java:791)
at org.apache.catalina.startup.Catalina.load(Catalina.java:503)
at org.apache.catalina.startup.Catalina.load(Catalina.java:523)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at org.apache.catalina.startup.Bootstrap.load(Bootstrap.java:266)
at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:431)
2007-7-4 23:14:13 org.apache.catalina.startup.Catalina load
信息: Initialization processed in 1062 ms
2007-7-4 23:14:13 org.apache.catalina.core.StandardService start
信息: Starting service Catalina
2007-7-4 23:14:13 org.apache.catalina.core.StandardEngine start
信息: Starting Servlet Engine: Apache Tomcat/5.5.17
2007-7-4 23:14:13 org.apache.catalina.core.StandardHost start
信息: XML validation disabled
2007-7-4 23:14:14 org.apache.tomcat.util.digester.Digester fatalError
严重: Parse Fatal Error at line 1 column 3: The processing instruction must begin with the name of the target.
org.xml.sax.SAXParseException: The processing instruction must begin with the name of the target.
at com.sun.org.apache.xerces.internal.util.ErrorHandlerWrapper.createSAXParseException(Unknown Source)
at com.sun.org.apache.xerces.internal.util.ErrorHandlerWrapper.fatalError(Unknown Source)
at com.sun.org.apache.xerces.internal.impl.XMLErrorReporter.reportError(Unknown Source)