Struts2 Struts 2 json插件错误java.lang.ClassNotFoundException:

我正在使用Struts2JSON插件和jQueryUIAutoComplete，我遇到了如下错误 当我检查萤火虫的时候

500内部服务器错误

SEVERE: Servlet.service() for servlet default threw exception
java.lang.ClassNotFoundException: com.opensymphony.xwork2.util.logging.LoggerFactory
    at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1680)
    at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1526)
    at org.apache.struts2.json.JSONResult.<clinit>(JSONResult.java:69)
    at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
    at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39)
    at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)
    at java.lang.reflect.Constructor.newInstance(Constructor.java:513)
    at java.lang.Class.newInstance0(Class.java:355)
    at java.lang.Class.newInstance(Class.java:308)
    at com.opensymphony.xwork2.ObjectFactory.buildBean(ObjectFactory.java:123)
    at com.opensymphony.xwork2.ObjectFactory.buildBean(ObjectFactory.java:154)
    at com.opensymphony.xwork2.ObjectFactory.buildBean(ObjectFactory.java:143)
    at org.apache.struts2.impl.StrutsObjectFactory.buildResult(StrutsObjectFactory.java:94)
    at com.opensymphony.xwork2.DefaultActionInvocation.createResult(DefaultActionInvocation.java:195)
    at com.opensymphony.xwork2.DefaultActionInvocation.executeResult(DefaultActionInvocation.java:342)
    at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:253)
    at com.opensymphony.xwork2.interceptor.DefaultWorkflowInterceptor.doIntercept(DefaultWorkflowInterceptor.java:221)
    at com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:86)
    at com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionInvocation.java:224)
    at com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionInvocation.java:223)
    at com.opensymphony.xwork2.util.profiling.UtilTimerStack.profile(UtilTimerStack.java:455)
    at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:221)
    at org.apache.struts2.interceptor.validation.AnnotationValidationInterceptor.doIntercept(AnnotationValidationInterceptor.java:44)
    at com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:86)
    at com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionInvocation.java:224)
    at com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionInvocation.java:223)
    at com.opensymphony.xwork2.util.profiling.UtilTimerStack.profile(UtilTimerStack.java:455)
    at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:221)
    at com.opensymphony.xwork2.interceptor.ConversionErrorInterceptor.intercept(ConversionErrorInterceptor.java:123)
    at com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionInvocation.java:224)
    at com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionInvocation.java:223)
    at com.opensymphony.xwork2.util.profiling.UtilTimerStack.profile(UtilTimerStack.java:455)
    at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:221)
    at com.opensymphony.xwork2.interceptor.ParametersInterceptor.doIntercept(ParametersInterceptor.java:167)
    at com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:86)
    at com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionInvocation.java:224)
    at com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionInvocation.java:223)
    at com.opensymphony.xwork2.util.profiling.UtilTimerStack.profile(UtilTimerStack.java:455)
    at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:221)
    at com.opensymphony.xwork2.interceptor.StaticParametersInterceptor.intercept(StaticParametersInterceptor.java:105)
    at com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionInvocation.java:224)
    at com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionInvocation.java:223)
    at com.opensymphony.xwork2.util.profiling.UtilTimerStack.profile(UtilTimerStack.java:455)
    at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:221)
    at org.apache.struts2.interceptor.CheckboxInterceptor.intercept(CheckboxInterceptor.java:83)
    at com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionInvocation.java:224)
    at com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionInvocation.java:223)
    at com.opensymphony.xwork2.util.profiling.UtilTimerStack.profile(UtilTimerStack.java:455)
    at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:221)
    at org.apache.struts2.interceptor.FileUploadInterceptor.intercept(FileUploadInterceptor.java:207)
    at com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionInvocation.java:224)
    at com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionInvocation.java:223)
    at com.opensymphony.xwork2.util.profiling.UtilTimerStack.profile(UtilTimerStack.java:455)
    at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:221)
    at com.opensymphony.xwork2.interceptor.ModelDrivenInterceptor.intercept(ModelDrivenInterceptor.java:74)
    at com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionInvocation.java:224)
    at com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionInvocation.java:223)
    at com.opensymphony.xwork2.util.profiling.UtilTimerStack.profile(UtilTimerStack.java:455)
    at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:221)
    at com.opensymphony.xwork2.interceptor.ScopedModelDrivenInterceptor.intercept(ScopedModelDrivenInterceptor.java:127)
    at com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionInvocation.java:224)
    at com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionInvocation.java:223)
    at com.opensymphony.xwork2.util.profiling.UtilTimerStack.profile(UtilTimerStack.java:455)
    at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:221)
    at org.apache.struts2.interceptor.ProfilingActivationInterceptor.intercept(ProfilingActivationInterceptor.java:107)
    at com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionInvocation.java:224)
    at com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionInvocation.java:223)
    at com.opensymphony.xwork2.util.profiling.UtilTimerStack.profile(UtilTimerStack.java:455)
    at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:221)
    at org.apache.struts2.interceptor.debugging.DebuggingInterceptor.intercept(DebuggingInterceptor.java:206)
    at com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionInvocation.java:224)
    at com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionInvocation.java:223)
    at com.opensymphony.xwork2.util.profiling.UtilTimerStack.profile(UtilTimerStack.java:455)
    at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:221)
    at com.opensymphony.xwork2.interceptor.ChainingInterceptor.intercept(ChainingInterceptor.java:115)
    at com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionInvocation.java:224)
    at com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionInvocation.java:223)
    at com.opensymphony.xwork2.util.profiling.UtilTimerStack.profile(UtilTimerStack.java:455)
    at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:221)
    at com.opensymphony.xwork2.interceptor.I18nInterceptor.intercept(I18nInterceptor.java:143)
    at com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionInvocation.java:224)
    at com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionInvocation.java:223)
    at com.opensymphony.xwork2.util.profiling.UtilTimerStack.profile(UtilTimerStack.java:455)
    at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:221)
    at com.opensymphony.xwork2.interceptor.PrepareInterceptor.doIntercept(PrepareInterceptor.java:121)
    at com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:86)
    at com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionInvocation.java:224)
    at com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionInvocation.java:223)
    at com.opensymphony.xwork2.util.profiling.UtilTimerStack.profile(UtilTimerStack.java:455)
    at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:221)
    at org.apache.struts2.interceptor.ServletConfigInterceptor.intercept(ServletConfigInterceptor.java:170)
    at com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionInvocation.java:224)
    at com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionInvocation.java:223)
    at com.opensymphony.xwork2.util.profiling.UtilTimerStack.profile(UtilTimerStack.java:455)
    at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:221)
    at com.opensymphony.xwork2.interceptor.AliasInterceptor.intercept(AliasInterceptor.java:123)
    at com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionInvocation.java:224)
    at com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionInvocation.java:223)
    at com.opensymphony.xwork2.util.profiling.UtilTimerStack.profile(UtilTimerStack.java:455)
    at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:221)
    at com.opensymphony.xwork2.interceptor.ExceptionMappingInterceptor.intercept(ExceptionMappingInterceptor.java:176)
    at com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionInvocation.java:224)
    at com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionInvocation.java:223)
    at com.opensymphony.xwork2.util.profiling.UtilTimerStack.profile(UtilTimerStack.java:455)
    at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:221)
    at org.apache.struts2.impl.StrutsActionProxy.execute(StrutsActionProxy.java:50)
    at org.apache.struts2.dispatcher.Dispatcher.serviceAction(Dispatcher.java:504)
    at org.apache.struts2.dispatcher.FilterDispatcher.doFilter(FilterDispatcher.java:422)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
    at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
    at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
    at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
    at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
    at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
    at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:298)
    at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:859)
    at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:588)
    at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:489)
    at java.lang.Thread.run(Thread.java:662)

严重：Servlet默认值的Servlet.service（）引发异常 java.lang.ClassNotFoundException:com.opensymphony.xwork2.util.logging.LoggerFactory 位于org.apache.catalina.loader.WebappClassLoader.loadClass（WebappClassLoader.java:1680） 位于org.apache.catalina.loader.WebappClassLoader.loadClass（WebappClassLoader.java:1526） 位于org.apache.struts2.json.JSONResult.（JSONResult.java:69） 位于sun.reflect.NativeConstructorAccessorImpl.newInstance0（本机方法） 位于sun.reflect.NativeConstructorAccessorImpl.newInstance（NativeConstructorAccessorImpl.java:39） 在sun.reflect.DelegatingConstructorAccessorImpl.newInstance（DelegatingConstructorAccessorImpl.java:27） 位于java.lang.reflect.Constructor.newInstance（Constructor.java:513） 位于java.lang.Class.newInstance0（Class.java:355） 位于java.lang.Class.newInstance（Class.java:308） 位于com.opensymphony.xwork2.ObjectFactory.buildBean（ObjectFactory.java:123） 位于com.opensymphony.xwork2.ObjectFactory.buildBean（ObjectFactory.java:154） 位于com.opensymphony.xwork2.ObjectFactory.buildBean（ObjectFactory.java:143） 位于org.apache.struts2.impl.StrutsObjectFactory.buildResult（StrutsObjectFactory.java:94） 在com.opensymphony.xwork2.DefaultActionInvocation.createResult（DefaultActionInvocation.java:195）上 在com.opensymphony.xwork2.DefaultActionInvocation.ExecuteSult（DefaultActionInvocation.java:342） 位于com.opensymphony.xwork2.DefaultActionInvocation.invoke（DefaultActionInvocation.java:253） 在com.opensymphony.xwork2.intercept.DefaultWorkflowIntercept.doIntercept（DefaultWorkflowIntercept.java:221） 在com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept（MethodFilterInterceptor.java:86） 在com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling上（DefaultActionInvocation.java:224） 在com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling上（DefaultActionInvocation.java:223） 位于com.opensymphony.xwork2.util.profiling.UtilTimerStack.profile（UtilTimerStack.java:455） 位于com.opensymphony.xwork2.DefaultActionInvocation.invoke（DefaultActionInvocation.java:221） 位于org.apache.struts2.interceptor.validation.AnnotationValidationInterceptor.doIntercept（AnnotationValidationInterceptor.java:44） 在com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept（MethodFilterInterceptor.java:86） 在com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling上（DefaultActionInvocation.java:224） 在com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling上（DefaultActionInvocation.java:223） 位于com.opensymphony.xwork2.util.profiling.UtilTimerStack.profile（UtilTimerStack.java:455） 位于com.opensymphony.xwork2.DefaultActionInvocation.invoke（DefaultActionInvocation.java:221） 在com.opensymphony.xwork2.interceptor.ConversionErrorInterceptor.intercept（ConversionErrorInterceptor.java:123） 在com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling上（DefaultActionInvocation.java:224） 在com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling上（DefaultActionInvocation.java:223） 位于com.opensymphony.xwork2.util.profiling.UtilTimerStack.profile（UtilTimerStack.java:455） 位于com.opensymphony.xwork2.DefaultActionInvocation.invoke（DefaultActionInvocation.java:221） 在com.opensymphony.xwork2.interceptor.parameters-sinterceptor.doIntercept（parameters-sinterceptor.java:167） 在com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept（MethodFilterInterceptor.java:86） 在com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling上（DefaultActionInvocation.java:224） 在com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling上（DefaultActionInvocation.java:223） 位于com.opensymphony.xwork2.util.profiling.UtilTimerStack.profile（UtilTimerStack.java:455） 位于com.opensymphony.xwork2.DefaultActionInvocation.invoke（DefaultActionInvocation.java:221） 在com.opensymphony.xwork2.interceptor.StaticParametersInterceptor.intercept上（StaticParametersInterceptor.java:105） 在com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling上（DefaultActionInvocation.java:224） 在com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling上（DefaultActionInvocation.java:223） 位于com.opensymphony.xwork2.util.profiling.UtilTimerStack.profile（UtilTimerStack.java:455） 位于com.opensymphony.xwork2.DefaultActionInvocation.invoke（DefaultActionInvocation.java:221） 位于org.apache.struts2.interceptor.CheckboxInterceptor.intercept（CheckboxInterceptor.java:83） 在com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling上（DefaultActionInvocation.java:224） 在com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling上（DefaultActionInvocation.java:223） 位于com.opensymphony.xwork2.util.profiling.UtilTimerStack.profile（UtilTimerStack.java:455） 位于com.opensymphony.xwork2.DefaultActionInvocation.invoke（DefaultActionInvocation.java:221） 位于org.apache.struts2.interceptor.FileUploadInterceptor.intercept（FileUploadInterceptor.java:207） 在com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling上（DefaultActionInvocation.java:224） 在com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling上（DefaultActionInvocation.java:223） 位于com.opensymphony.xwork2.util.profiling.UtilTimerStack.profile（UtilTimerStack.java:455） 位于com.opensymphony.xwork2.DefaultActionInvocation.invoke（DefaultActionInvocation.java:221） 在com.opensymphony.xwork2.interceptor.modeldriventerceptor.intercept（modeldriventerceptor.java:74） 在com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling上（DefaultActionInvocation.java:224） 在com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling上（DefaultActionInvocation.java:223） 在com.opensymphony.xwork2.util.profiling.UtilTimerStack.profile（UtilTimerStack.java: