配置struts2之前伺服器啟動正常，配置後啟動出現下面的異常，求解答，謝謝！！！

以下是異常資訊：

九月 13, 2015 11:56:02 下午 org.apache.catalina.core.AprLifecycleListener init
資訊: The APR based Apache Tomcat Native library which allows optimal performance in production environments was not found on the java.library.path: C:\Program Files\Java\jdk1.7.0_51\bin;C:\Windows\Sun\Java\bin;C:\Windows\system32;C:\Windows;C:/Program Files/Java/jdk1.7.0_51/bin/../jre/bin/server;C:/Program Files/Java/jdk1.7.0_51/bin/../jre/bin;C:/Program Files/Java/jdk1.7.0_51/bin/../jre/lib/amd64;.;C:\Program Files\Java\jdk1.7.0_51\bin;C:\Program Files\Java\jre7\bin;C:\Windows\system32;C:\Windows;C:\Windows\System32\Wbem;C:\Windows\System32\WindowsPowerShell\v1.0\;C:\Program Files (x86)\ATI Technologies\ATI.ACE\Core-Static;C:\Program Files\Microsoft SQL Server\90\Tools\binn\;C:\Program Files (x86)\Microsoft SQL Server\90\Tools\binn\;C:\Program Files (x86)\Microsoft SQL Server\90\DTS\Binn\;C:\Program Files (x86)\Microsoft SQL Server\90\Tools\Binn\VSShell\Common7\IDE\;C:\Program Files (x86)\Microsoft Visual Studio 8\Common7\IDE\PrivateAssemblies\;C:\Program Files (x86)\Microsoft SQL Server\100\Tools\Binn\;C:\Program Files\Microsoft SQL Server\100\Tools\Binn\;C:\Program Files\Microsoft SQL Server\100\DTS\Binn\;C:\Program Files (x86)\Microsoft SQL Server\100\Tools\Binn\VSShell\Common7\IDE\;C:\Program Files (x86)\Microsoft SQL Server\100\DTS\Binn\;C:\Program Files (x86)\Microsoft Visual Studio 9.0\Common7\IDE\PrivateAssemblies\;D:\eclipse;;.
九月 13, 2015 11:56:02 下午 org.apache.tomcat.util.digester.SetPropertiesRule begin
警告: [SetPropertiesRule]{Server/Service/Engine/Host/Context} Setting property 'source' to 'org.eclipse.jst.jee.server:ATTMGSYS' did not find a matching property.
九月 13, 2015 11:56:02 下午 org.apache.coyote.http11.Http11Protocol init
資訊: Initializing Coyote HTTP/1.1 on http-8080
九月 13, 2015 11:56:02 下午 org.apache.catalina.startup.Catalina load
資訊: Initialization processed in 717 ms
九月 13, 2015 11:56:02 下午 org.apache.catalina.core.StandardService start
資訊: Starting service Catalina
九月 13, 2015 11:56:02 下午 org.apache.catalina.core.StandardEngine start
資訊: Starting Servlet Engine: Apache Tomcat/6.0.26
九月 13, 2015 11:56:03 下午 com.opensymphony.xwork2.config.providers.XmlConfigurationProvider info
資訊: Parsing configuration file [struts-default.xml]
九月 13, 2015 11:56:03 下午 com.opensymphony.xwork2.config.providers.XmlConfigurationProvider info
資訊: Unable to locate configuration files of the name struts-plugin.xml, skipping
九月 13, 2015 11:56:03 下午 com.opensymphony.xwork2.config.providers.XmlConfigurationProvider info
資訊: Parsing configuration file [struts-plugin.xml]
九月 13, 2015 11:56:03 下午 com.opensymphony.xwork2.config.providers.XmlConfigurationProvider info
資訊: Parsing configuration file [struts.xml]
九月 13, 2015 11:56:03 下午 org.apache.struts2.config.BeanSelectionProvider info
資訊: Choosing bean (struts) for (com.opensymphony.xwork2.ObjectFactory)
九月 13, 2015 11:56:03 下午 org.apache.struts2.config.BeanSelectionProvider info
資訊: Choosing bean (struts) for (com.opensymphony.xwork2.FileManagerFactory)
九月 13, 2015 11:56:03 下午 org.apache.struts2.config.BeanSelectionProvider info
資訊: Choosing bean (struts) for (com.opensymphony.xwork2.conversion.impl.XWorkConverter)
九月 13, 2015 11:56:03 下午 org.apache.struts2.config.BeanSelectionProvider info
資訊: Choosing bean (struts) for (com.opensymphony.xwork2.conversion.impl.CollectionConverter)
九月 13, 2015 11:56:03 下午 org.apache.struts2.config.BeanSelectionProvider info
資訊: Choosing bean (struts) for (com.opensymphony.xwork2.conversion.impl.ArrayConverter)
九月 13, 2015 11:56:03 下午 org.apache.struts2.config.BeanSelectionProvider info
資訊: Choosing bean (struts) for (com.opensymphony.xwork2.conversion.impl.DateConverter)
九月 13, 2015 11:56:03 下午 org.apache.struts2.config.BeanSelectionProvider info
資訊: Choosing bean (struts) for (com.opensymphony.xwork2.conversion.impl.NumberConverter)
九月 13, 2015 11:56:03 下午 org.apache.struts2.config.BeanSelectionProvider info
資訊: Choosing bean (struts) for (com.opensymphony.xwork2.conversion.impl.StringConverter)
九月 13, 2015 11:56:03 下午 org.apache.struts2.config.BeanSelectionProvider info
資訊: Choosing bean (struts) for (com.opensymphony.xwork2.conversion.ConversionPropertiesProcessor)
九月 13, 2015 11:56:03 下午 org.apache.struts2.config.BeanSelectionProvider info
資訊: Choosing bean (struts) for (com.opensymphony.xwork2.conversion.ConversionFileProcessor)
九月 13, 2015 11:56:03 下午 org.apache.struts2.config.BeanSelectionProvider info
資訊: Choosing bean (struts) for (com.opensymphony.xwork2.conversion.ConversionAnnotationProcessor)
九月 13, 2015 11:56:03 下午 org.apache.struts2.config.BeanSelectionProvider info
資訊: Choosing bean (struts) for (com.opensymphony.xwork2.conversion.TypeConverterCreator)
九月 13, 2015 11:56:03 下午 org.apache.struts2.config.BeanSelectionProvider info
資訊: Choosing bean (struts) for (com.opensymphony.xwork2.conversion.TypeConverterHolder)
九月 13, 2015 11:56:03 下午 org.apache.struts2.config.BeanSelectionProvider info
資訊: Choosing bean (struts) for (com.opensymphony.xwork2.TextProvider)
九月 13, 2015 11:56:03 下午 org.apache.struts2.config.BeanSelectionProvider info
資訊: Choosing bean (struts) for (com.opensymphony.xwork2.LocaleProvider)
九月 13, 2015 11:56:03 下午 org.apache.struts2.config.BeanSelectionProvider info
資訊: Choosing bean (struts) for (com.opensymphony.xwork2.ActionProxyFactory)
九月 13, 2015 11:56:03 下午 org.apache.struts2.config.BeanSelectionProvider info
資訊: Choosing bean (struts) for (com.opensymphony.xwork2.conversion.ObjectTypeDeterminer)
九月 13, 2015 11:56:03 下午 org.apache.struts2.config.BeanSelectionProvider info
資訊: Choosing bean (struts) for (org.apache.struts2.dispatcher.mapper.ActionMapper)
九月 13, 2015 11:56:03 下午 org.apache.struts2.config.BeanSelectionProvider info
資訊: Choosing bean (jakarta) for (org.apache.struts2.dispatcher.multipart.MultiPartRequest)
九月 13, 2015 11:56:03 下午 org.apache.struts2.config.BeanSelectionProvider info
資訊: Choosing bean (struts) for (org.apache.struts2.views.freemarker.FreemarkerManager)
九月 13, 2015 11:56:03 下午 org.apache.struts2.config.BeanSelectionProvider info
資訊: Choosing bean (struts) for (org.apache.struts2.components.UrlRenderer)
九月 13, 2015 11:56:03 下午 org.apache.struts2.config.BeanSelectionProvider info
資訊: Choosing bean (struts) for (com.opensymphony.xwork2.validator.ActionValidatorManager)
九月 13, 2015 11:56:03 下午 org.apache.struts2.config.BeanSelectionProvider info
資訊: Choosing bean (struts) for (com.opensymphony.xwork2.util.ValueStackFactory)
九月 13, 2015 11:56:03 下午 org.apache.struts2.config.BeanSelectionProvider info
資訊: Choosing bean (struts) for (com.opensymphony.xwork2.util.reflection.ReflectionProvider)
九月 13, 2015 11:56:03 下午 org.apache.struts2.config.BeanSelectionProvider info
資訊: Choosing bean (struts) for (com.opensymphony.xwork2.util.reflection.ReflectionContextFactory)
九月 13, 2015 11:56:03 下午 org.apache.struts2.config.BeanSelectionProvider info
資訊: Choosing bean (struts) for (com.opensymphony.xwork2.util.PatternMatcher)
九月 13, 2015 11:56:03 下午 org.apache.struts2.config.BeanSelectionProvider info
資訊: Choosing bean (struts) for (org.apache.struts2.dispatcher.StaticContentLoader)
九月 13, 2015 11:56:03 下午 org.apache.struts2.config.BeanSelectionProvider info
資訊: Choosing bean (struts) for (com.opensymphony.xwork2.UnknownHandlerManager)
九月 13, 2015 11:56:03 下午 org.apache.struts2.config.BeanSelectionProvider info
資訊: Choosing bean (struts) for (org.apache.struts2.views.util.UrlHelper)
九月 13, 2015 11:56:03 下午 org.apache.struts2.config.BeanSelectionProvider info
資訊: Choosing bean (struts) for (com.opensymphony.xwork2.util.TextParser)
九月 13, 2015 11:56:03 下午 org.apache.struts2.dispatcher.Dispatcher error
嚴重: Dispatcher initialization failed
java.lang.RuntimeException: java.lang.reflect.InvocationTargetException
at com.opensymphony.xwork2.inject.ContainerImpl$MethodInjector.inject(ContainerImpl.java:295)
at com.opensymphony.xwork2.inject.ContainerImpl$ConstructorInjector.construct(ContainerImpl.java:431)
at com.opensymphony.xwork2.inject.ContainerBuilder$5.create(ContainerBuilder.java:207)
at com.opensymphony.xwork2.inject.Scope$2$1.create(Scope.java:51)
at com.opensymphony.xwork2.inject.ContainerBuilder$3.create(ContainerBuilder.java:93)
at com.opensymphony.xwork2.inject.ContainerBuilder$7.call(ContainerBuilder.java:487)
at com.opensymphony.xwork2.inject.ContainerBuilder$7.call(ContainerBuilder.java:485)
at com.opensymphony.xwork2.inject.ContainerImpl.callInContext(ContainerImpl.java:574)
at com.opensymphony.xwork2.inject.ContainerBuilder.create(ContainerBuilder.java:484)
at com.opensymphony.xwork2.config.impl.DefaultConfiguration.createBootstrapContainer(DefaultConfiguration.java:236)
at com.opensymphony.xwork2.config.impl.DefaultConfiguration.reloadContainer(DefaultConfiguration.java:178)
at com.opensymphony.xwork2.config.ConfigurationManager.getConfiguration(ConfigurationManager.java:55)
at org.apache.struts2.dispatcher.Dispatcher.init_PreloadConfiguration(Dispatcher.java:446)
at org.apache.struts2.dispatcher.Dispatcher.init(Dispatcher.java:490)
at org.apache.struts2.dispatcher.ng.InitOperations.initDispatcher(InitOperations.java:74)
at org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter.init(StrutsPrepareAndExecuteFilter.java:57)
at org.apache.catalina.core.ApplicationFilterConfig.getFilter(ApplicationFilterConfig.java:295)
at org.apache.catalina.core.ApplicationFilterConfig.setFilterDef(ApplicationFilterConfig.java:422)
at org.apache.catalina.core.ApplicationFilterConfig.<init>(ApplicationFilterConfig.java:115)
at org.apache.catalina.core.StandardContext.filterStart(StandardContext.java:3838)
at org.apache.catalina.core.StandardContext.start(StandardContext.java:4488)
at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1045)
at org.apache.catalina.core.StandardHost.start(StandardHost.java:785)
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:519)
at org.apache.catalina.core.StandardServer.start(StandardServer.java:710)
at org.apache.catalina.startup.Catalina.start(Catalina.java:581)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:606)
at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:289)
at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:414)
Caused by: java.lang.reflect.InvocationTargetException
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:606)
at com.opensymphony.xwork2.inject.ContainerImpl$MethodInjector.inject(ContainerImpl.java:293)
... 33 more
Caused by: java.lang.ExceptionInInitializerError
at com.opensymphony.xwork2.ognl.OgnlValueStackFactory.setContainer(OgnlValueStackFactory.java:74)
... 38 more
Caused by: java.lang.IllegalArgumentException: Javassist library is missing in classpath! Please add missed dependency!
at ognl.OgnlRuntime.<clinit>(OgnlRuntime.java:168)
... 39 more
Caused by: java.lang.ClassNotFoundException: javassist.ClassPool
at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1516)
at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1361)
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Class.java:190)
at ognl.OgnlRuntime.<clinit>(OgnlRuntime.java:165)
... 39 more


九月 13, 2015 11:56:03 下午 org.apache.catalina.core.StandardContext filterStart
嚴重: Exception starting filter struts2
java.lang.reflect.InvocationTargetException - Class: com.opensymphony.xwork2.inject.ContainerImpl$MethodInjector
File: ContainerImpl.java
Method: inject
Line: 295 - com/opensymphony/xwork2/inject/ContainerImpl.java:295:-1
at org.apache.struts2.dispatcher.Dispatcher.init(Dispatcher.java:502)
at org.apache.struts2.dispatcher.ng.InitOperations.initDispatcher(InitOperations.java:74)
at org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter.init(StrutsPrepareAndExecuteFilter.java:57)
at org.apache.catalina.core.ApplicationFilterConfig.getFilter(ApplicationFilterConfig.java:295)
at org.apache.catalina.core.ApplicationFilterConfig.setFilterDef(ApplicationFilterConfig.java:422)
at org.apache.catalina.core.ApplicationFilterConfig.<init>(ApplicationFilterConfig.java:115)
at org.apache.catalina.core.StandardContext.filterStart(StandardContext.java:3838)
at org.apache.catalina.core.StandardContext.start(StandardContext.java:4488)
at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1045)
at org.apache.catalina.core.StandardHost.start(StandardHost.java:785)
at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1045)
at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:443)
at org.apache.catalina.core.StandardService.start(StandardService.java:519)
at org.apache.catalina.core.StandardServer.start(StandardServer.java:710)
at org.apache.catalina.startup.Catalina.start(Catalina.java:581)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:606)
at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:289)
at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:414)
Caused by: java.lang.RuntimeException: java.lang.reflect.InvocationTargetException
at com.opensymphony.xwork2.inject.ContainerImpl$MethodInjector.inject(ContainerImpl.java:295)
at com.opensymphony.xwork2.inject.ContainerImpl$ConstructorInjector.construct(ContainerImpl.java:431)
at com.opensymphony.xwork2.inject.ContainerBuilder$5.create(ContainerBuilder.java:207)
at com.opensymphony.xwork2.inject.Scope$2$1.create(Scope.java:51)
at com.opensymphony.xwork2.inject.ContainerBuilder$3.create(ContainerBuilder.java:93)
at com.opensymphony.xwork2.inject.ContainerBuilder$7.call(ContainerBuilder.java:487)
at com.opensymphony.xwork2.inject.ContainerBuilder$7.call(ContainerBuilder.java:485)
at com.opensymphony.xwork2.inject.ContainerImpl.callInContext(ContainerImpl.java:574)
at com.opensymphony.xwork2.inject.ContainerBuilder.create(ContainerBuilder.java:484)
at com.opensymphony.xwork2.config.impl.DefaultConfiguration.createBootstrapContainer(DefaultConfiguration.java:236)
at com.opensymphony.xwork2.config.impl.DefaultConfiguration.reloadContainer(DefaultConfiguration.java:178)
at com.opensymphony.xwork2.config.ConfigurationManager.getConfiguration(ConfigurationManager.java:55)
at org.apache.struts2.dispatcher.Dispatcher.init_PreloadConfiguration(Dispatcher.java:446)
at org.apache.struts2.dispatcher.Dispatcher.init(Dispatcher.java:490)
... 20 more
Caused by: java.lang.reflect.InvocationTargetException
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:606)
at com.opensymphony.xwork2.inject.ContainerImpl$MethodInjector.inject(ContainerImpl.java:293)
... 33 more
Caused by: java.lang.ExceptionInInitializerError
at com.opensymphony.xwork2.ognl.OgnlValueStackFactory.setContainer(OgnlValueStackFactory.java:74)
... 38 more
Caused by: java.lang.IllegalArgumentException: Javassist library is missing in classpath! Please add missed dependency!
at ognl.OgnlRuntime.<clinit>(OgnlRuntime.java:168)
... 39 more
Caused by: java.lang.ClassNotFoundException: javassist.ClassPool
at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1516)
at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1361)
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Class.java:190)
at ognl.OgnlRuntime.<clinit>(OgnlRuntime.java:165)
... 39 more


九月 13, 2015 11:56:03 下午 org.apache.catalina.core.StandardContext start
嚴重: Error filterStart
九月 13, 2015 11:56:03 下午 org.apache.catalina.core.StandardContext start
嚴重: Context [/ATTMGSYS] startup failed due to previous errors
九月 13, 2015 11:56:03 下午 org.apache.catalina.loader.WebappClassLoader clearThreadLocalMap
嚴重: A web application created a ThreadLocal with key of type [null] (value [