# HTTP Status 500 -

type Exception report

message

description The server encountered an internal error that prevented it from fulfilling this request.

exception

    java.lang.NullPointerException\n\tcom.dmj.action.viewScore.ImageCheckAction.getCheckedImageInfo(ImageCheckAction.java:103)\n\tsun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)\n\tsun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)\n\tsun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)\n\tjava.lang.reflect.Method.invoke(Method.java:498)\n\tognl.OgnlRuntime.invokeMethod(OgnlRuntime.java:897)\n\tognl.OgnlRuntime.callAppropriateMethod(OgnlRuntime.java:1299)\n\tognl.ObjectMethodAccessor.callMethod(ObjectMethodAccessor.java:68)\n\tcom.opensymphony.xwork2.ognl.accessor.XWorkMethodAccessor.callMethodWithDebugInfo(XWorkMethodAccessor.java:117)\n\tcom.opensymphony.xwork2.ognl.accessor.XWorkMethodAccessor.callMethod(XWorkMethodAccessor.java:108)\n\tognl.OgnlRuntime.callMethod(OgnlRuntime.java:1375)\n\tognl.ASTMethod.getValueBody(ASTMethod.java:91)\n\tognl.SimpleNode.evaluateGetValueBody(SimpleNode.java:212)\n\tognl.SimpleNode.getValue(SimpleNode.java:258)\n\tognl.Ognl.getValue(Ognl.java:470)\n\tognl.Ognl.getValue(Ognl.java:434)\n\tcom.opensymphony.xwork2.ognl.OgnlUtil$3.execute(OgnlUtil.java:362)\n\tcom.opensymphony.xwork2.ognl.OgnlUtil.compileAndExecuteMethod(OgnlUtil.java:414)\n\tcom.opensymphony.xwork2.ognl.OgnlUtil.callMethod(OgnlUtil.java:360)\n\tcom.opensymphony.xwork2.DefaultActionInvocation.invokeAction(DefaultActionInvocation.java:430)\n\tcom.opensymphony.xwork2.DefaultActionInvocation.invokeActionOnly(DefaultActionInvocation.java:290)\n\tcom.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:251)\n\torg.apache.struts2.interceptor.DeprecationInterceptor.intercept(DeprecationInterceptor.java:41)\n\tcom.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:245)\n\torg.apache.struts2.interceptor.debugging.DebuggingInterceptor.intercept(DebuggingInterceptor.java:256)\n\tcom.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:245)\n\tcom.opensymphony.xwork2.interceptor.DefaultWorkflowInterceptor.doIntercept(DefaultWorkflowInterceptor.java:168)\n\tcom.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:98)\n\tcom.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:245)\n\tcom.opensymphony.xwork2.validator.ValidationInterceptor.doIntercept(ValidationInterceptor.java:265)\n\torg.apache.struts2.interceptor.validation.AnnotationValidationInterceptor.doIntercept(AnnotationValidationInterceptor.java:76)\n\tcom.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:98)\n\tcom.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:245)\n\tcom.opensymphony.xwork2.interceptor.ConversionErrorInterceptor.intercept(ConversionErrorInterceptor.java:138)\n\tcom.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:245)\n\tcom.opensymphony.xwork2.interceptor.ParametersInterceptor.doIntercept(ParametersInterceptor.java:229)\n\tcom.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:98)\n\tcom.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:245)\n\tcom.opensymphony.xwork2.interceptor.ParametersInterceptor.doIntercept(ParametersInterceptor.java:229)\n\tcom.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:98)\n\tcom.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:245)\n\tcom.opensymphony.xwork2.interceptor.StaticParametersInterceptor.intercept(StaticParametersInterceptor.java:191)\n\tcom.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:245)\n\torg.apache.struts2.interceptor.MultiselectInterceptor.intercept(MultiselectInterceptor.java:73)\n\tcom.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:245)\n\torg.apache.struts2.interceptor.DateTextFieldInterceptor.intercept(DateTextFieldInterceptor.java:125)\n\tcom.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:245)\n\torg.apache.struts2.interceptor.CheckboxInterceptor.intercept(CheckboxInterceptor.java:91)\n\tcom.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:245)\n\torg.apache.struts2.interceptor.FileUploadInterceptor.intercept(FileUploadInterceptor.java:253)\n\tcom.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:245)\n\tcom.opensymphony.xwork2.interceptor.ModelDrivenInterceptor.intercept(ModelDrivenInterceptor.java:100)\n\tcom.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:245)\n\tcom.opensymphony.xwork2.interceptor.ScopedModelDrivenInterceptor.intercept(ScopedModelDrivenInterceptor.java:141)\n\tcom.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:245)\n\tcom.opensymphony.xwork2.interceptor.ChainingInterceptor.intercept(ChainingInterceptor.java:145)\n\tcom.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:245)\n\tcom.opensymphony.xwork2.interceptor.PrepareInterceptor.doIntercept(PrepareInterceptor.java:171)\n\tcom.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:98)\n\tcom.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:245)\n\tcom.opensymphony.xwork2.interceptor.I18nInterceptor.intercept(I18nInterceptor.java:140)\n\tcom.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:245)\n\torg.apache.struts2.interceptor.ServletConfigInterceptor.intercept(ServletConfigInterceptor.java:164)\n\tcom.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:245)\n\tcom.opensymphony.xwork2.interceptor.AliasInterceptor.intercept(AliasInterceptor.java:193)\n\tcom.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:245)\n\tcom.opensymphony.xwork2.interceptor.ExceptionMappingInterceptor.intercept(ExceptionMappingInterceptor.java:189)\n\tcom.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:245)\n\torg.apache.struts2.impl.StrutsActionProxy.execute(StrutsActionProxy.java:54)\n\torg.apache.struts2.dispatcher.Dispatcher.serviceAction(Dispatcher.java:575)\n\torg.apache.struts2.dispatcher.ng.ExecuteOperations.executeAction(ExecuteOperations.java:81)\n\torg.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter.doFilter(StrutsPrepareAndExecuteFilter.java:99)\n\tcom.dmj.action.login.LoginFilter.doFilter(LoginFilter.java:279)\n\tcom.dmj.util.app.TeacherAppFilter.doFilter(TeacherAppFilter.java:94)\n\tcom.dmj.util.app.AppFilter.doFilter(AppFilter.java:108)\n\tcom.dmj.util.EncodingFilter.doFilter(EncodingFilter.java:37)\n

note The full stack trace of the root cause is available in the Apache Tomcat/8.0.47 logs.

### Apache Tomcat/8.0.47