SSH2三大框架整合出错（五）
usage: java org.apache.catalina.startup.Catalina [ -config {pathname} ] [ -nonaming ] { -help | start | stop }
2013-12-6 23:13:21 org.apache.catalina.core.AprLifecycleListener init
信息: Loaded APR based Apache Tomcat Native library 1.1.27 using APR version 1.4.6.
2013-12-6 23:13:22 org.apache.catalina.core.AprLifecycleListener init
信息: APR capabilities: IPv6 [true], sendfile [true], accept filters [false], random [true].
2013-12-6 23:13:23 org.apache.catalina.core.AprLifecycleListener initializeSSL
信息: OpenSSL successfully initialized (OpenSSL 1.0.1d 5 Feb 2013)
2013-12-6 23:13:24 org.apache.coyote.AbstractProtocol init
信息: Initializing ProtocolHandler ["http-apr-8080"]
2013-12-6 23:13:24 org.apache.coyote.AbstractProtocol init
信息: Initializing ProtocolHandler ["ajp-apr-8009"]
2013-12-6 23:13:24 org.apache.catalina.startup.Catalina load
信息: Initialization processed in 3126 ms
2013-12-6 23:13:24 org.apache.catalina.core.StandardService startInternal
信息: Starting service Catalina
2013-12-6 23:13:24 org.apache.catalina.core.StandardEngine startInternal
信息: Starting Servlet Engine: Apache Tomcat/7.0.41
2013-12-6 23:13:28 org.apache.catalina.startup.TaglibUriRule body
信息: TLD skipped. URI: http://www.springframework.org/tags/form is already defined
2013-12-6 23:13:28 org.apache.catalina.startup.TaglibUriRule body
信息: TLD skipped. URI: http://www.springframework.org/tags is already defined
2013-12-6 23:13:28 org.apache.catalina.util.SessionIdGenerator createSecureRandom
信息: Creation of SecureRandom instance for session ID generation using [SHA1PRNG] took [269] milliseconds.
2013-12-6 23:13:28 org.apache.catalina.core.StandardContext filterStart
严重: Exception starting filter struts2
java.lang.ClassNotFoundException: org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter
at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1714)
at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1559)
at org.apache.catalina.core.DefaultInstanceManager.loadClass(DefaultInstanceManager.java:527)
at org.apache.catalina.core.DefaultInstanceManager.loadClassMaybePrivileged(DefaultInstanceManager.java:509)
at org.apache.catalina.core.DefaultInstanceManager.newInstance(DefaultInstanceManager.java:137)
at org.apache.catalina.core.ApplicationFilterConfig.getFilter(ApplicationFilterConfig.java:260)
at org.apache.catalina.core.ApplicationFilterConfig.<init>(ApplicationFilterConfig.java:107)
at org.apache.catalina.core.StandardContext.filterStart(StandardContext.java:4746)
at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5399)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1559)
at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1549)
at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
at java.util.concurrent.FutureTask.run(FutureTask.java:138)
at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
at java.lang.Thread.run(Thread.java:619)
2013-12-6 23:13:28 org.apache.catalina.core.StandardContext startInternal
严重: Error filterStart
2013-12-6 23:13:28 org.apache.catalina.core.StandardContext startInternal
严重: Context [/S2SH] startup failed due to previous errors
2013-12-6 23:13:28 org.apache.catalina.startup.HostConfig deployDirectory
信息: Deploying web application directory D:MyEclipseapache-tomcat-7.0.41webappsdocs
2013-12-6 23:13:29 org.apache.catalina.startup.HostConfig deployDirectory
信息: Deploying web application directory D:MyEclipseapache-tomcat-7.0.41webappsexamples
2013-12-6 23:13:29 org.apache.catalina.core.ApplicationContext log
信息: ContextListener: contextInitialized()
2013-12-6 23:13:29 org.apache.catalina.core.ApplicationContext log
信息: SessionListener: contextInitialized()
2013-12-6 23:13:29 org.apache.catalina.core.ApplicationContext log
信息: ContextListener: attributeAdded('org.apache.jasper.compiler.TldLocationsCache', 'org.apache.jasper.compiler.TldLocationsCache@1e8fa70')
2013-12-6 23:13:29 org.apache.catalina.startup.HostConfig deployDirectory
信息: Deploying web application directory D:MyEclipseapache-tomcat-7.0.41webappshost-manager
2013-12-6 23:13:29 org.apache.catalina.startup.HostConfig deployDirectory
信息: Deploying web application directory D:MyEclipseapache-tomcat-7.0.41webappsmanager
2013-12-6 23:13:29 org.apache.catalina.startup.HostConfig deployDirectory
信息: Deploying web application directory D:MyEclipseapache-tomcat-7.0.41webappsROOT
2013-12-6 23:13:29 org.apache.coyote.AbstractProtocol start
信息: Starting ProtocolHandler ["http-apr-8080"]
2013-12-6 23:13:29 org.apache.coyote.AbstractProtocol start
信息: Starting ProtocolHandler ["ajp-apr-8009"]
2013-12-6 23:13:29 org.apache.catalina.startup.Catalina start
信息: Server startup in 5464 ms错误原因：手动配置SSH2框架时，Struts2的核心类没有添加进去，所以报这个错