1 type Exception report 2 3 message 4 5 description The server encountered an internal error that prevented it from fulfilling this request. 6 7 exception 8 9 java.lang.NullPointerException 10 com.bjsxt.registration.action.UserAction.execute(UserAction.java:43) 11 sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) 12 sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) 13 sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) 14 java.lang.reflect.Method.invoke(Method.java:497) 15 com.opensymphony.xwork2.DefaultActionInvocation.invokeAction(DefaultActionInvocation.java:450) 16 com.opensymphony.xwork2.DefaultActionInvocation.invokeActionOnly(DefaultActionInvocation.java:289) 17 com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:252) 18 org.apache.struts2.interceptor.DeprecationInterceptor.intercept(DeprecationInterceptor.java:41) 19 com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:246) 20 org.apache.struts2.interceptor.debugging.DebuggingInterceptor.intercept(DebuggingInterceptor.java:256) 21 com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:246) 22 com.opensymphony.xwork2.interceptor.DefaultWorkflowInterceptor.doIntercept(DefaultWorkflowInterceptor.java:167) 23 com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:98) 24 com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:246) 25 com.opensymphony.xwork2.validator.ValidationInterceptor.doIntercept(ValidationInterceptor.java:265) 26 org.apache.struts2.interceptor.validation.AnnotationValidationInterceptor.doIntercept(AnnotationValidationInterceptor.java:68) 27 com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:98) 28 com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:246) 29 com.opensymphony.xwork2.interceptor.ConversionErrorInterceptor.intercept(ConversionErrorInterceptor.java:138) 30 com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:246) 31 com.opensymphony.xwork2.interceptor.ParametersInterceptor.doIntercept(ParametersInterceptor.java:249) 32 com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:98) 33 com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:246) 34 com.opensymphony.xwork2.interceptor.ParametersInterceptor.doIntercept(ParametersInterceptor.java:249) 35 com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:98) 36 com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:246) 37 com.opensymphony.xwork2.interceptor.StaticParametersInterceptor.intercept(StaticParametersInterceptor.java:191) 38 com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:246) 39 org.apache.struts2.interceptor.MultiselectInterceptor.intercept(MultiselectInterceptor.java:73) 40 com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:246) 41 org.apache.struts2.interceptor.CheckboxInterceptor.intercept(CheckboxInterceptor.java:91) 42 com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:246) 43 org.apache.struts2.interceptor.FileUploadInterceptor.intercept(FileUploadInterceptor.java:252) 44 com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:246) 45 com.opensymphony.xwork2.interceptor.ModelDrivenInterceptor.intercept(ModelDrivenInterceptor.java:100) 46 com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:246) 47 com.opensymphony.xwork2.interceptor.ScopedModelDrivenInterceptor.intercept(ScopedModelDrivenInterceptor.java:141) 48 com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:246) 49 com.opensymphony.xwork2.interceptor.ChainingInterceptor.intercept(ChainingInterceptor.java:145) 50 com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:246) 51 com.opensymphony.xwork2.interceptor.PrepareInterceptor.doIntercept(PrepareInterceptor.java:171) 52 com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:98) 53 com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:246) 54 com.opensymphony.xwork2.interceptor.I18nInterceptor.intercept(I18nInterceptor.java:139) 55 com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:246) 56 org.apache.struts2.interceptor.ServletConfigInterceptor.intercept(ServletConfigInterceptor.java:164) 57 com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:246) 58 com.opensymphony.xwork2.interceptor.AliasInterceptor.intercept(AliasInterceptor.java:193) 59 com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:246) 60 com.opensymphony.xwork2.interceptor.ExceptionMappingInterceptor.intercept(ExceptionMappingInterceptor.java:189) 61 com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:246) 62 org.apache.struts2.impl.StrutsActionProxy.execute(StrutsActionProxy.java:54) 63 org.apache.struts2.dispatcher.Dispatcher.serviceAction(Dispatcher.java:562) 64 org.apache.struts2.dispatcher.ng.ExecuteOperations.executeAction(ExecuteOperations.java:77) 65 org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter.doFilter(StrutsPrepareAndExecuteFilter.java:99) 66 note The full stack trace of the root cause is available in the Apache Tomcat/8.0.20 logs.
原因:缺少struts2-spring-plugin-2.3.16.jar的jar包