达人们，帮帮给看看呢 Tomcat启动出问题了

2008-7-18 9:17:05 org.apache.tomcat.util.digester.Digester fatalError
严重: Parse Fatal Error at line 1 column 1: Premature end of file.
org.xml.sax.SAXParseException: Premature end of file.
        at com.sun.org.apache.xerces.internal.util.ErrorHandlerWrapper.createSAXParseException(ErrorHandlerWrapper.java:195)
        at com.sun.org.apache.xerces.internal.util.ErrorHandlerWrapper.fatalError(ErrorHandlerWrapper.java:174)
        at com.sun.org.apache.xerces.internal.impl.XMLErrorReporter.reportError(XMLErrorReporter.java:388)
        at com.sun.org.apache.xerces.internal.impl.XMLScanner.reportFatalError(XMLScanner.java:1411)
        at com.sun.org.apache.xerces.internal.impl.XMLDocumentScannerImpl$PrologDriver.next(XMLDocumentScannerImpl.java:1037)
        at com.sun.org.apache.xerces.internal.impl.XMLDocumentScannerImpl.next(XMLDocumentScannerImpl.java:645)
        at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.scanDocument(XMLDocumentFragmentScannerImpl.java:508)
        at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(XML11Configuration.java:807)
        at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(XML11Configuration.java:737)
        at com.sun.org.apache.xerces.internal.parsers.XMLParser.parse(XMLParser.java:107)
        at com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.parse(AbstractSAXParser.java:1205)
        at com.sun.org.apache.xerces.internal.jaxp.SAXParserImpl$JAXPSAXParser.parse(SAXParserImpl.java:522)
        at org.apache.tomcat.util.digester.Digester.parse(Digester.java:1561)
        at org.apache.catalina.startup.ContextConfig.processContextConfig(ContextConfig.java:781)
        at org.apache.catalina.startup.ContextConfig.contextConfig(ContextConfig.java:721)
        at org.apache.catalina.startup.ContextConfig.init(ContextConfig.java:984)
        at org.apache.catalina.startup.ContextConfig.lifecycleEvent(ContextConfig.java:278)
        at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:119)
        at org.apache.catalina.core.StandardContext.init(StandardContext.java:5066)
        at org.apache.catalina.core.StandardContext.start(StandardContext.java:3979)
        at org.apache.catalina.core.Containerbbse.addChildInternal(Containerbbse.java:759)
        at org.apache.catalina.core.Containerbbse.addChild(Containerbbse.java:739)
        at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:524)
        at org.apache.catalina.startup.HostConfig.deployDirectory(HostConfig.java:904)
        at org.apache.catalina.startup.HostConfig.deployDirectories(HostConfig.java:867)
        at org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:474)
        at org.apache.catalina.startup.HostConfig.start(HostConfig.java:1122)
        at org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:310)
        at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:119)
        at org.apache.catalina.core.Containerbbse.start(Containerbbse.java:1021)
        at org.apache.catalina.core.StandardHost.start(StandardHost.java:718)
        at org.apache.catalina.core.Containerbbse.start(Containerbbse.java:1013)
        at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:442)
        at org.apache.catalina.core.StandardService.start(StandardService.java:450)
        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(DelegatingMethodAccessorImpl.java:25)
        at java.lang.reflect.Method.invoke(Method.java:597)
        at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:294)
        at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:432)
2008-7-18 9:17:07 org.apache.catalina.startup.ContextConfig processContextConfig
严重: Parse error in default web.xml
org.xml.sax.SAXParseException: Premature end of file.
        at com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.parse(AbstractSAXParser.java:1231)
        at com.sun.org.apache.xerces.internal.jaxp.SAXParserImpl$JAXPSAXParser.parse(SAXParserImpl.java:522)
        at org.apache.tomcat.util.digester.Digester.parse(Digester.java:1561)
        at org.apache.catalina.startup.ContextConfig.processContextConfig(ContextConfig.java:781)
        at org.apache.catalina.startup.ContextConfig.contextConfig(ContextConfig.java:721)
        at org.apache.catalina.startup.ContextConfig.init(ContextConfig.java:984)
        at org.apache.catalina.startup.ContextConfig.lifecycleEvent(ContextConfig.java:278)
        at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:119)
        at org.apache.catalina.core.StandardContext.init(StandardContext.java:5066)
        at org.apache.catalina.core.StandardContext.start(StandardContext.java:3979)
        at org.apache.catalina.core.Containerbbse.addChildInternal(Containerbbse.java:759)
        at org.apache.catalina.core.Containerbbse.addChild(Containerbbse.java:739)
        at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:524)
        at org.apache.catalina.startup.HostConfig.deployDirectory(HostConfig.java:904)
        at org.apache.catalina.startup.HostConfig.deployDirectories(HostConfig.java:867)
        at org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:474)
        at org.apache.catalina.startup.HostConfig.start(HostConfig.java:1122)
        at org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:310)
        at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:119)
        at org.apache.catalina.core.Containerbbse.start(Containerbbse.java:1021)
        at org.apache.catalina.core.StandardHost.start(StandardHost.java:718)
        at org.apache.catalina.core.Containerbbse.start(Containerbbse.java:1013)
        at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:442)
        at org.apache.catalina.core.StandardService.start(StandardService.java:450)
        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(DelegatingMethodAccessorImpl.java:25)
        at java.lang.reflect.Method.invoke(Method.java:597)
        at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:294)
        at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:432)
2008-7-18 9:17:08 org.apache.catalina.startup.ContextConfig processContextConfig
严重: Occurred at line 1 column 1
2008-7-18 9:17:09 org.apache.catalina.startup.ContextConfig start
严重: Marking this application unavailable due to previous error(s)
2008-7-18 9:17:09 org.apache.catalina.core.StandardContext start
严重: Error getConfigured
2008-7-18 9:17:09 org.apache.catalina.core.StandardContext start
严重: Context [/spare] startup failed due to previous errors