异常信息：
三月 27, 2012 2:36:32 下午 org.apache.catalina.core.AprLifecycleListener init
信息: Loaded APR based Apache Tomcat Native library 1.1.22.
三月 27, 2012 2:36:32 下午 org.apache.catalina.core.AprLifecycleListener init
信息: APR capabilities: IPv6 [false], sendfile [true], accept filters [false], random [true].
三月 27, 2012 2:36:33 下午 org.apache.coyote.AbstractProtocol init
信息: Initializing ProtocolHandler ["http-apr-8082"]
三月 27, 2012 2:36:33 下午 org.apache.coyote.AbstractProtocol init
信息: Initializing ProtocolHandler ["ajp-apr-8009"]
三月 27, 2012 2:36:33 下午 org.apache.catalina.startup.Catalina load
信息: Initialization processed in 1464 ms
三月 27, 2012 2:36:33 下午 org.apache.catalina.core.StandardService startInternal
信息: Starting service Catalina
三月 27, 2012 2:36:33 下午 org.apache.catalina.core.StandardEngine startInternal
信息: Starting Servlet Engine: Apache Tomcat/7.0.26
三月 27, 2012 2:36:33 下午 org.apache.catalina.startup.HostConfig deployDirectory
信息: Deploying web application directory C:\develop-java\Tomcat\tomcat7\webapps\docs
三月 27, 2012 2:36:33 下午 org.apache.catalina.startup.ContextConfig processContextConfig
严重: Parse error in context.xml for /docs
com.sun.org.apache.xerces.internal.impl.io.MalformedByteSequenceException: 2 字节的 UTF-8 序列的字节 2 无效。
	at com.sun.org.apache.xerces.internal.impl.io.UTF8Reader.invalidByte(UTF8Reader.java:687)
	at com.sun.org.apache.xerces.internal.impl.io.UTF8Reader.read(UTF8Reader.java:372)
	at com.sun.org.apache.xerces.internal.impl.XMLEntityScanner.load(XMLEntityScanner.java:1750)
	at com.sun.org.apache.xerces.internal.impl.XMLEntityScanner.scanData(XMLEntityScanner.java:1249)
	at com.sun.org.apache.xerces.internal.impl.XMLScanner.scanComment(XMLScanner.java:717)
	at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.scanComment(XMLDocumentFragmentScannerImpl.java:999)
	at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl$FragmentContentDriver.next(XMLDocumentFragmentScannerImpl.java:2913)
	at com.sun.org.apache.xerces.internal.impl.XMLDocumentScannerImpl.next(XMLDocumentScannerImpl.java:607)
	at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.scanDocument(XMLDocumentFragmentScannerImpl.java:488)
	at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(XML11Configuration.java:835)
	at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(XML11Configuration.java:764)
	at com.sun.org.apache.xerces.internal.parsers.XMLParser.parse(XMLParser.java:123)
	at com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.parse(AbstractSAXParser.java:1210)
	at com.sun.org.apache.xerces.internal.jaxp.SAXParserImpl$JAXPSAXParser.parse(SAXParserImpl.java:568)
	at org.apache.tomcat.util.digester.Digester.parse(Digester.java:1537)
	at org.apache.catalina.startup.ContextConfig.processContextConfig(ContextConfig.java:612)
	at org.apache.catalina.startup.ContextConfig.contextConfig(ContextConfig.java:556)
	at org.apache.catalina.startup.ContextConfig.init(ContextConfig.java:814)
	at org.apache.catalina.startup.ContextConfig.lifecycleEvent(ContextConfig.java:363)
	at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:119)
	at org.apache.catalina.util.LifecycleBase.fireLifecycleEvent(LifecycleBase.java:90)
	at org.apache.catalina.util.LifecycleBase.setStateInternal(LifecycleBase.java:401)
	at org.apache.catalina.util.LifecycleBase.init(LifecycleBase.java:110)
	at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:139)
	at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:895)
	at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:871)
	at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:615)
	at org.apache.catalina.startup.HostConfig.deployDirectory(HostConfig.java:1095)
	at org.apache.catalina.startup.HostConfig$De