2011-3-21 10:53:00 org.apache.catalina.core.AprLifecycleListener init信息: The APR based Apache Tomcat Native library which allows optimal performance in production environments was not
found on the java.library.path: D:/Program Files/Java/jdk1.6.0
/bin;.;C:/WINDOWS/Sun/Java/bin;C:/WINDOWS/system32;C:/WINDOWS;D:/Program Files/Java/jdk1.6.0/jre/bin;D:/Program
Files/Java/jdk1.6.0/bin/../jre/bin/client;D:/Program
Files/Java/jdk1.6.0/bin/../jre/bin;C:/WINDOWS/system32;C:/WINDOWS;C:/WINDOWS/System32/Wbem;C:/Program
Files/Yuguo;C:/Program Files/MySQL/MySQL Server 5.1/bin;D:/Program Files/Java/jdk1.6.0/bin;D:/Program Files/groovy-
1.7.3/bin;D:/Program Files/maven/bin;C:/Program Files/Common Files/Thunder Network/KanKan/Codecs2011-3-21 10:53:00 org.apache.coyote.http11.Http11Protocol init信息: Initializing Coyote HTTP/1.1 on http-80802011-3-21 10:53:00 org.apache.catalina.startup.Catalina load信息: Initialization processed in 721 ms2011-3-21 10:53:00 org.apache.catalina.core.StandardService start信息: Starting service Catalina2011-3-21 10:53:00 org.apache.catalina.core.StandardEngine start信息: Starting Servlet Engine: Apache Tomcat/6.0.162011-3-21 10:53:01 org.apache.catalina.loader.WebappClassLoader validateJarFile信息: validateJarFile(E:/workspace/exam/WebRoot/WEB-INF/lib/gwt-user.jar) - jar not loaded. See Servlet Spec 2.3,
section 9.7.2. Offending class: javax/servlet/Servlet.classjava.lang.reflect.InvocationTargetException 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:288) at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:413)Caused by: java.lang.AbstractMethodError at org.apache.tomcat.util.digester.Digester.getXMLReader(Digester.java:992) at org.apache.tomcat.util.digester.Digester.parse(Digester.java:1644) at org.apache.catalina.startup.TldConfig.tldScanStream(TldConfig.java:518) at org.apache.catalina.startup.TldConfig.tldScanJar(TldConfig.java:476) at org.apache.catalina.startup.TldConfig.execute(TldConfig.java:301) at org.apache.catalina.core.StandardContext.processTlds(StandardContext.java:4441) at org.apache.catalina.core.StandardContext.start(StandardContext.java:4248) at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1045) at org.apache.catalina.core.StandardHost.start(StandardHost.java:719) at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1045) at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:443) at org.apache.catalina.core.StandardService.start(StandardService.java:516) at org.apache.catalina.core.StandardServer.start(StandardServer.java:710) at org.apache.catalina.startup.Catalina.start(Catalina.java:578) ... 6 more
原因：jar包冲突 。
