Struts2.3.4.1异常及解决方法1（javassist-3.11.0.GA.jar包的添加）

异常信息如下：

java.lang.RuntimeException: java.lang.reflect.InvocationTargetException

at com.opensymphony.xwork2.inject.ContainerImpl$MethodInjector.inject(ContainerImpl.java:301)

at com.opensymphony.xwork2.inject.ContainerImpl$ConstructorInjector.construct(ContainerImpl.java:438)

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:484)

at com.opensymphony.xwork2.inject.ContainerImpl.callInContext(ContainerImpl.java:580)

at com.opensymphony.xwork2.inject.ContainerBuilder.create(ContainerBuilder.java:484)

at com.opensymphony.xwork2.config.impl.DefaultConfiguration.createBootstrapContainer(DefaultConfiguration.java:288)

at com.opensymphony.xwork2.config.impl.DefaultConfiguration.reloadContainer(DefaultConfiguration.java:205)

at com.opensymphony.xwork2.config.ConfigurationManager.getConfiguration(ConfigurationManager.java:66)

at org.apache.struts2.dispatcher.Dispatcher.init_PreloadConfiguration(Dispatcher.java:390)

at org.apache.struts2.dispatcher.Dispatcher.init(Dispatcher.java:437)

at org.apache.struts2.dispatcher.ng.InitOperations.initDispatcher(InitOperations.java:74)

at org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter.init(StrutsPrepareAndExecuteFilter.java:51)

at org.apache.catalina.core.ApplicationFilterConfig.initFilter(ApplicationFilterConfig.java:279)

at org.apache.catalina.core.ApplicationFilterConfig.getFilter(ApplicationFilterConfig.java:260)

at org.apache.catalina.core.ApplicationFilterConfig.<init>(ApplicationFilterConfig.java:105)

at org.apache.catalina.core.StandardContext.filterStart(StandardContext.java:4855)

at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5549)

at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)

at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:901)

at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:877)

at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:652)

at org.apache.catalina.startup.HostConfig.deployDirectory(HostConfig.java:1263)

at org.apache.catalina.startup.HostConfig$DeployDirectory.run(HostConfig.java:1948)

at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:441)

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)

Caused by: java.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 com.opensymphony.xwork2.inject.ContainerImpl$MethodInjector.inject(ContainerImpl.java:299)

... 32 more

解决方法为：在你的SSH项目的WEB-INF/lib目录下添加javassist-3.11.0.GA.jar包即可。