<pre>javax.servlet.ServletException: javax.servlet.ServletException: java.lang.NoSuchFieldError: deferredExpression</pre> <pre>org.apache.struts2.dispatcher.Dispatcher.serviceAction(Dispatcher.java:515)</pre> <pre>org.apache.struts2.dispatcher.FilterDispatcher.doFilter(FilterDispatcher.java:422)</pre> <p>&nbsp;</p> <p><strong>root cause</strong> </p> <pre>javax.servlet.ServletException: java.lang.NoSuchFieldError: deferredExpression</pre> <pre>org.apache.jasper.servlet.JspServlet.service(JspServlet.java:275)</pre> <pre>javax.servlet.http.HttpServlet.service(HttpServlet.java:717)</pre> <pre>org.apache.struts2.dispatcher.ServletDispatcherResult.doExecute(ServletDispatcherResult.java:139)</pre> <pre>org.apache.struts2.dispatcher.StrutsResultSupport.execute(StrutsResultSupport.java:178)</pre> <pre>com.opensymphony.xwork2.DefaultActionInvocation.executeResult(DefaultActionInvocation.java:348)</pre> <pre>com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:253)</pre> <pre>com.opensymphony.xwork2.interceptor.DefaultWorkflowInterceptor.doIntercept(DefaultWorkflowInterceptor.java:221)</pre> <pre>com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:86)</pre> <pre>com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionInvocation.java:224)</pre> <pre>com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionInvocation.java:223)</pre> <pre>com.opensymphony.xwork2.util.profiling.UtilTimerStack.profile(UtilTimerStack.java:455)</pre> <pre>com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:221)</pre> <pre>com.opensymphony.xwork2.validator.ValidationInterceptor.doIntercept(ValidationInterceptor.java:150)</pre> <pre>org.apache.struts2.interceptor.validation.AnnotationValidationInterceptor.doIntercept(AnnotationValidationInterceptor.java:48)</pre> <pre>com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:86)</pre> <pre>com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionInvocation.java:224)</pre> <pre>com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionInvocation.java:223)</pre> <pre>com.opensymphony.xwork2.util.profiling.UtilTimerStack.profile(UtilTimerStack.java:455)</pre> <pre>com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:221)</pre> <pre>com.opensymphony.xwork2.interceptor.ConversionErrorInterceptor.intercept(ConversionErrorInterceptor.java:123)</pre> <pre>com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionInvocation.java:224)</pre> <pre>com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionInvocation.java:223)</pre> <pre>com.opensymphony.xwork2.util.profiling.UtilTimerStack.profile(UtilTimerStack.java:455)</pre> <pre>com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:221)</pre> <pre>com.opensymphony.xwork2.interceptor.ParametersInterceptor.doIntercept(ParametersInterceptor.java:184)</pre> <pre>com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:86)</pre> <pre>com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionInvocation.java:224)</pre> <pre>com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionInvocation.java:223)</pre> <pre>com.opensymphony.xwork2.util.profiling.UtilTimerStack.profile(UtilTimerStack.java:455)</pre> <pre>com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:221)</pre> <pre>com.opensymphony.xwork2.interceptor.StaticParametersInterceptor.intercept(StaticParametersInterceptor.java:105)</pre> <pre>com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionInvocation.java:224)</pre> <pre>com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionInvocation.java:223)</pre> <pre>com.opensymphony.xwork2.util.profiling.UtilTimerStack.profile(UtilTimerStack.java:455)</pre> <pre>com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:221)</pre> <pre>org.apache.struts2.interceptor.CheckboxInterceptor.intercept(CheckboxInterceptor.java:83)</pre> <pre>com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionInvocation.java:224)</pre> <pre>com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionInvocation.java:223)</pre> <pre>com.opensymphony.xwork2.util.profiling.UtilTimerStack.profile(UtilTimerStack.java:455)</pre> <pre>com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:221)org.apache.struts2.interceptor.FileUploadInterceptor.intercept(FileUploadInterceptor.java:207)com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionInvocation.java:224)com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionInvocation.java:223)com.opensymphony.xwork2.util.profiling.UtilTimerStack.profile(UtilTimerStack.java:455)com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:221)com.opensymphony.xwork2.interceptor.ModelDrivenInterceptor.intercept(ModelDrivenInterceptor.java:74)com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionInvocation.java:224)com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionInvocation.java:223)com.opensymphony.xwork2.util.profiling.UtilTimerStack.profile(UtilTimerStack.java:455)com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:221)com.opensymphony.xwork2.interceptor.ScopedModelDrivenInterceptor.intercept(ScopedModelDrivenInterceptor.java:127)com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionInvocation.java:224)com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionInvocation.java:223)com.opensymphony.xwork2.util.profiling.UtilTimerStack.profile(UtilTimerStack.java:455)com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:221)org.apache.struts2.interceptor.ProfilingActivationInterceptor.intercept(ProfilingActivationInterceptor.java:107)com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionInvocation.java:224)com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionInvocation.java:223)com.opensymphony.xwork2.util.profiling.UtilTimerStack.profile(UtilTimerStack.java:455)com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:221)org.apache.struts2.interceptor.debugging.DebuggingInterceptor.intercept(DebuggingInterceptor.java:206)com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionInvocation.java:224)com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionInvocation.java:223)com.opensymphony.xwork2.util.profiling.UtilTimerStack.profile(UtilTimerStack.java:455)com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:221)com.opensymphony.xwork2.interceptor.ChainingInterceptor.intercept(ChainingInterceptor.java:115)com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionInvocation.java:224)com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionInvocation.java:223)com.opensymphony.xwork2.util.profiling.UtilTimerStack.profile(UtilTimerStack.java:455)com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:221)com.opensymphony.xwork2.interceptor.I18nInterceptor.intercept(I18nInterceptor.java:143)com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionInvocation.java:224)com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionInvocation.java:223)com.opensymphony.xwork2.util.profiling.UtilTimerStack.profile(UtilTimerStack.java:455)com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:221)com.opensymphony.xwork2.interceptor.PrepareInterceptor.doIntercept(PrepareInterceptor.java:121)com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:86)com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionInvocation.java:224)com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionInvocation.java:223)com.opensymphony.xwork2.util.profiling.UtilTimerStack.profile(UtilTimerStack.java:455)com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:221)org.apache.struts2.interceptor.ServletConfigInterceptor.intercept(ServletConfigInterceptor.java:170)com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionInvocation.java:224)com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionInvocation.java:223)com.opensymphony.xwork2.util.profiling.UtilTimerStack.profile(UtilTimerStack.java:455)com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:221)com.opensymphony.xwork2.interceptor.AliasInterceptor.intercept(AliasInterceptor.java:123)com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionInvocation.java:224)com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionInvocation.java:223)com.opensymphony.xwork2.util.profiling.UtilTimerStack.profile(UtilTimerStack.java:455)com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:221)com.opensymphony.xwork2.interceptor.ExceptionMappingInterceptor.intercept(ExceptionMappingInterceptor.java:176)com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionInvocation.java:224)com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionInvocation.java:223)com.opensymphony.xwork2.util.profiling.UtilTimerStack.profile(UtilTimerStack.java:455)com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:221)org.apache.struts2.impl.StrutsActionProxy.execute(StrutsActionProxy.java:50)org.apache.struts2.dispatcher.Dispatcher.serviceAction(Dispatcher.java:504)org.apache.struts2.dispatcher.FilterDispatcher.doFilter(FilterDispatcher.java:422)</pre>