2006-9-24 15:33:28 org.apache.coyote.http11.Http11Protocol init
严重: Error initializing endpoint
java.net.BindException: Address already in use: JVM_Bind:8090
at org.apache.tomcat.util.net.PoolTcpEndpoint.initEndpoint(PoolTcpEndpoint.java:264)
at org.apache.coyote.http11.Http11Protocol.init(Http11Protocol.java:137)
at org.apache.coyote.tomcat5.CoyoteConnector.initialize(CoyoteConnector.java:1429)
at org.apache.catalina.core.StandardService.initialize(StandardService.java:609)
at org.apache.catalina.core.StandardServer.initialize(StandardServer.java:2384)
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:250)
at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:424)
2006-9-24 15:33:28 org.apache.catalina.startup.Catalina load
严重: Catalina.start
LifecycleException: Protocol handler initialization failed: java.net.BindException: Address already in use: JVM_Bind:8090
at org.apache.coyote.tomcat5.CoyoteConnector.initialize(CoyoteConnector.java:1431)
at org.apache.catalina.core.StandardService.initialize(StandardService.java:609)
at org.apache.catalina.core.StandardServer.initialize(StandardServer.java:2384)
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:250)
at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:424)
2006-9-24 15:33:28 org.apache.catalina.startup.Catalina load
信息: Initialization processed in 1625 ms
2006-9-24 15:33:29 org.apache.catalina.core.StandardService start
信息: Starting service Catalina
2006-9-24 15:33:29 org.apache.catalina.core.StandardEngine start
信息: Starting Servlet Engine: Apache Tomcat/5.0.28
2006-9-24 15:33:29 org.apache.catalina.core.StandardHost start
信息: XML validation disabled
2006-9-24 15:33:29 org.apache.catalina.core.StandardHost getDeployer
信息: Create Host deployer for direct deployment ( non-jmx )
2006-9-24 15:33:29 org.apache.catalina.core.StandardHostDeployer install
信息: Processing Context configuration file URL file:C:\Program Files\Apache Software Foundation\Tomcat 5.0\conf\Catalina\localhost\balancer.xml
2006-9-24 15:33:29 org.apache.catalina.core.StandardContext resourcesStart
严重: Error starting static Resources
java.lang.IllegalArgumentException: Document base D:\jsproot\balancer does not exist or is not a readable directory
at org.apache.naming.resources.FileDirContext.setDocBase(FileDirContext.java:138)
at org.apache.catalina.core.StandardContext.resourcesStart(StandardContext.java:3910)
at org.apache.catalina.core.StandardContext.start(StandardContext.java:4138)
at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:823)
at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:807)
at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:595)
at org.apache.catalina.core.StandardHostDeployer.addChild(StandardHostDeployer.java:903)
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.commons.beanutils.MethodUtils.invokeMethod(MethodUtils.java:216)
at org.apache.commons.digester.SetNextRule.end(SetNextRule.java:256)
at org.apache.commons.digester.Rule.end(Rule.java:276)
at org.apache.commons.digester.Digester.endElement(Digester.java:1058)
at org.apache.catalina.util.CatalinaDigester.endElement(CatalinaDigester.java:76)
at org.apache.xerces.parsers.AbstractSAXParser.endElement(Unknown Source)
at org.apache.xerces.impl.XMLDocumentFragmentScannerImpl.scanEndElement(Unknown Source)
at org.apache.xerces.impl.XMLDocumentFragmentScannerImpl$FragmentContentDispatcher.dispatch(Unknown Source)
at org.apache.xerces.impl.XMLDocumentFragmentScannerImpl.scanDocument(Unknown Source)
at org.apache.xerces.parsers.XML11Configuration.parse(Unknown Source)
at org.apache.xerces.parsers.XML11Configuration.parse(Unknown Source)
at org.apache.xerces.parsers.XMLParser.parse(Unknown Source)
at org.apache.xerces.parsers.AbstractSAXParser.parse(Unknown Source)
at org.apache.commons.digester.Digester.parse(Digester.java:1567)
at org.apache.catalina.core.StandardHostDeployer.install(StandardHostDeployer.java:488)
at org.apache.catalina.core.StandardHost.install(StandardHost.java:863)
at org.apache.catalina.startup.HostConfig.deployDescriptors(HostConfig.java:483)
at org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:427)
at org.apache.catalina.startup.HostConfig.start(HostConfig.java:983)
at org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:349)
at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:119)
at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1091)
at org.apache.catalina.core.StandardHost.start(StandardHost.java:789)
at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1083)
at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:478)
at org.apache.catalina.core.StandardService.start(StandardService.java:480)
at org.apache.catalina.core.StandardServer.start(StandardServer.java:2313)
at org.apache.catalina.startup.Catalina.start(Catalina.java:556)
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.start(Bootstrap.java:287)
at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:425)
2006-9-24 15:33:29 org.apache.catalina.core.StandardContext start
严重: Error in resourceStart()


这是什么原因引起的错误啊，

代码没什么错误可以直接双击打开

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<title>我的第一个网页</title>

<meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
<meta http-equiv="description" content="this is my page">
<meta http-equiv="content-type" content="text/html; charset=UTF-8">

<!--<link rel="stylesheet" type="text/css" href="./styles.css">-->

</head>

<body background="beijing.jpg">

<BGSOUND src="1.mp3" loop=-1/>
<IMG src="xiaoxin.jpg" width="128"height="128"><br>
<font color="red">我是小新</font>

<FORM action="do_submit.asp" method="post">
姓名：<INPUT TYPE="text"name="username"><br>
密码：<INPUT type="password"name="userpwd"><br>
性别：<INPUT type="radio" name="sex" checked>男
<INPUT type="radio" name="sex">女<br>
血型：<INPUT type="radio" name="boold" checked>O
<INPUT type="radio" name="boold">AB
<INPUT type="radio" name="boold">A
<INPUT type="radio" name="boold">B<br>
性格：<INPUT type="checkbox" checked>热情
<INPUT type="checkbox" checked>温柔
<INPUT type="checkbox" checked>多情<br>
文件：<INPUT type="file"><br>
简介：<TEXTAREA row="50" cols="30">dfsf</TEXTAREA><br>
城市：<SELECT size=1>
<OPTION>北京</OPTION>
<OPTION>南京</OPTION>
<OPTION>上海</OPTION>
</SELECT> <br>
<INPUT type="button" value="提交">
<INPUT type="submit" value="提交">
<INPUT type="reset" value="reset">

</FORM>


</body>
</html>

java.net.BindException: Address already in use: JVM_Bind:8090
8090端口被占用