部署了项目，但运行Tomcat时控制台报以下错误，请问是什么原因

danielchen19

2007-8-7 14:46:34 org.apache.catalina.core.AprLifecycleListener lifecycleEvent
信息: The Apache Portable Runtime which allows optimal performance in production environments was not found on the java.library.path: C:\Program Files\Java\jdk1.5.0_05\bin;C:\Program Files\Apache Software Foundation\Tomcat 5.5\bin
2007-8-7 14:46:35 org.apache.coyote.http11.Http11Protocol init
信息: Initializing Coyote HTTP/1.1 on http-8088
2007-8-7 14:46:35 org.apache.catalina.startup.Catalina load
信息: Initialization processed in 641 ms
2007-8-7 14:46:35 org.apache.catalina.core.StandardService start
信息: Starting service Catalina
2007-8-7 14:46:35 org.apache.catalina.core.StandardEngine start
信息: Starting Servlet Engine: Apache Tomcat/5.5.11
2007-8-7 14:46:35 org.apache.catalina.core.StandardHost start
信息: XML validation disabled
2007-8-7 14:46:36 org.apache.catalina.util.ExtensionValidator validateManifestResources
信息: ExtensionValidator[/ConnectNote][commons-attributes-compiler.jar]: Required extension "ant" not found.
2007-8-7 14:46:36 org.apache.catalina.util.ExtensionValidator validateManifestResources
信息: ExtensionValidator[/ConnectNote][commons-attributes-compiler.jar]: Required extension "qdox" not found.
2007-8-7 14:46:36 org.apache.catalina.util.ExtensionValidator validateManifestResources
信息: ExtensionValidator[/ConnectNote][commons-attributes-compiler.jar]: Required extension "javadoc" not found.
2007-8-7 14:46:36 org.apache.catalina.util.ExtensionValidator validateManifestResources
信息: ExtensionValidator[/ConnectNote]: Failure to find 3 required extension(s).  其实我已加了这个jar进去的
2007-8-7 14:46:36 org.apache.catalina.core.StandardContext start
严重: Error getConfigured
2007-8-7 14:46:36 org.apache.catalina.core.StandardContext start
严重: Context [/ConnectNote] startup failed due to previous errors         <------------------标红色这里
2007-8-7 14:46:36 org.apache.catalina.core.StandardContext stop
信息: Container org.apache.catalina.core.ContainerBase.[Catalina].[localhost].[/ConnectNote] has not been started
2007-8-7 14:46:36 org.apache.coyote.http11.Http11Protocol start
信息: Starting Coyote HTTP/1.1 on http-8088
2007-8-7 14:46:36 org.apache.jk.common.ChannelSocket init
信息: JK: ajp13 listening on /0.0.0.0:8009
2007-8-7 14:46:36 org.apache.jk.server.JkMain start
信息: Jk running ID=0 time=0/47  config=null
2007-8-7 14:46:36 org.apache.catalina.storeconfig.StoreLoader load
信息: Find registry server-registry.xml at classpath resource
2007-8-7 14:46:36 org.apache.catalina.startup.Catalina start
信息: Server startup in 1562 ms

只看这东西也看不出来名堂哦