Struts Problem Report

Struts has detected an unhandled exception:

Messages:
  • page instance is null
  • File: com/texterity/webreader/services/impl/PageServiceImpl.java
    Line number: 479

    Stacktraces

    java.lang.IllegalArgumentException: page instance is null
        com.texterity.webreader.services.impl.PageServiceImpl.isGatefold(PageServiceImpl.java:479)
        com.texterity.webreader.services.impl.PageServiceImpl.setPages(PageServiceImpl.java:607)
        com.texterity.webreader.services.impl.PageServiceImpl.populateMultiPageViews(PageServiceImpl.java:543)
        com.texterity.webreader.services.impl.PageServiceImpl.populateMinimumMultiPageViews(PageServiceImpl.java:307)
        com.texterity.webreader.services.impl.DocumentServiceImpl.populateInitialSettings(DocumentServiceImpl.java:612)
        com.texterity.webreader.actions.DocumentAction.execute(DocumentAction.java:83)
        sun.reflect.GeneratedMethodAccessor385.invoke(Unknown Source)
        sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        java.lang.reflect.Method.invoke(Method.java:483)
        ognl.OgnlRuntime.invokeMethod(OgnlRuntime.java:892)
        ognl.OgnlRuntime.callAppropriateMethod(OgnlRuntime.java:1294)
        ognl.ObjectMethodAccessor.callMethod(ObjectMethodAccessor.java:68)
        com.opensymphony.xwork2.ognl.accessor.XWorkMethodAccessor.callMethodWithDebugInfo(XWorkMethodAccessor.java:117)
        com.opensymphony.xwork2.ognl.accessor.XWorkMethodAccessor.callMethod(XWorkMethodAccessor.java:108)
        ognl.OgnlRuntime.callMethod(OgnlRuntime.java:1370)
        ognl.ASTMethod.getValueBody(ASTMethod.java:91)
        ognl.SimpleNode.evaluateGetValueBody(SimpleNode.java:212)
        ognl.SimpleNode.getValue(SimpleNode.java:258)
        ognl.Ognl.getValue(Ognl.java:467)
        ognl.Ognl.getValue(Ognl.java:431)
        com.opensymphony.xwork2.ognl.OgnlUtil$3.execute(OgnlUtil.java:398)
        com.opensymphony.xwork2.ognl.OgnlUtil.compileAndExecuteMethod(OgnlUtil.java:450)
        com.opensymphony.xwork2.ognl.OgnlUtil.callMethod(OgnlUtil.java:396)
        com.opensymphony.xwork2.DefaultActionInvocation.invokeAction(DefaultActionInvocation.java:430)
        com.opensymphony.xwork2.DefaultActionInvocation.invokeActionOnly(DefaultActionInvocation.java:290)
        com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:251)
        com.texterity.webreader.interceptors.authentication.AuthenticationFailureInterceptor.intercept(AuthenticationFailureInterceptor.java:54)
        com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:245)
        com.texterity.webreader.interceptors.authentication.TicketAuthenticationInterceptor.intercept(TicketAuthenticationInterceptor.java:99)
        com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:245)
        com.texterity.webreader.interceptors.DocumentCollectionInterceptor.intercept(DocumentCollectionInterceptor.java:146)
        com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:245)
        org.apache.struts2.interceptor.DeprecationInterceptor.intercept(DeprecationInterceptor.java:41)
        com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:245)
        org.apache.struts2.interceptor.debugging.DebuggingInterceptor.intercept(DebuggingInterceptor.java:256)
        com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:245)
        com.opensymphony.xwork2.interceptor.DefaultWorkflowInterceptor.doIntercept(DefaultWorkflowInterceptor.java:168)
        com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:98)
        com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:245)
        com.opensymphony.xwork2.validator.ValidationInterceptor.doIntercept(ValidationInterceptor.java:265)
        org.apache.struts2.interceptor.validation.AnnotationValidationInterceptor.doIntercept(AnnotationValidationInterceptor.java:76)
        com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:98)
        com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:245)
        com.opensymphony.xwork2.interceptor.ConversionErrorInterceptor.intercept(ConversionErrorInterceptor.java:138)
        com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:245)
        com.opensymphony.xwork2.interceptor.ParametersInterceptor.doIntercept(ParametersInterceptor.java:229)
        com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:98)
        com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:245)
        com.opensymphony.xwork2.interceptor.ParametersInterceptor.doIntercept(ParametersInterceptor.java:229)
        com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:98)
        com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:245)
        com.opensymphony.xwork2.interceptor.StaticParametersInterceptor.intercept(StaticParametersInterceptor.java:191)
        com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:245)
        org.apache.struts2.interceptor.MultiselectInterceptor.intercept(MultiselectInterceptor.java:73)
        com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:245)
        org.apache.struts2.interceptor.DateTextFieldInterceptor.intercept(DateTextFieldInterceptor.java:125)
        com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:245)
        org.apache.struts2.interceptor.CheckboxInterceptor.intercept(CheckboxInterceptor.java:91)
        com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:245)
        org.apache.struts2.interceptor.FileUploadInterceptor.intercept(FileUploadInterceptor.java:253)
        com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:245)
        com.opensymphony.xwork2.interceptor.ModelDrivenInterceptor.intercept(ModelDrivenInterceptor.java:100)
        com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:245)
        com.opensymphony.xwork2.interceptor.ScopedModelDrivenInterceptor.intercept(ScopedModelDrivenInterceptor.java:141)
        com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:245)
        com.opensymphony.xwork2.interceptor.ChainingInterceptor.intercept(ChainingInterceptor.java:145)
        com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:245)
        com.opensymphony.xwork2.interceptor.PrepareInterceptor.doIntercept(PrepareInterceptor.java:171)
        com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:98)
        com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:245)
        com.opensymphony.xwork2.interceptor.I18nInterceptor.intercept(I18nInterceptor.java:140)
        com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:245)
        org.apache.struts2.interceptor.ServletConfigInterceptor.intercept(ServletConfigInterceptor.java:164)
        com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:245)
        com.opensymphony.xwork2.interceptor.AliasInterceptor.intercept(AliasInterceptor.java:193)
        com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:245)
        com.opensymphony.xwork2.interceptor.ExceptionMappingInterceptor.intercept(ExceptionMappingInterceptor.java:189)
        com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:245)
        org.apache.struts2.impl.StrutsActionProxy.execute(StrutsActionProxy.java:54)
        org.apache.struts2.dispatcher.Dispatcher.serviceAction(Dispatcher.java:575)
        org.apache.struts2.dispatcher.ng.ExecuteOperations.executeAction(ExecuteOperations.java:81)
        org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter.doFilter(StrutsPrepareAndExecuteFilter.java:99)
        org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
        org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
        org.springframework.orm.hibernate3.support.OpenSessionInViewFilter.doFilterInternal(OpenSessionInViewFilter.java:198)
        org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:76)
        org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
        org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
        org.springframework.orm.hibernate3.support.OpenSessionInViewFilter.doFilterInternal(OpenSessionInViewFilter.java:198)
        org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:76)
        org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
        org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
        com.texterity.webreader.filters.CacheFilter.doFilter(CacheFilter.java:155)
        org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
        org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
        org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:199)
        org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:97)
        org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:543)
        org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:143)
        org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:81)
        org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:690)
        org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:78)
        org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:343)
        org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:616)
        org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:65)
        org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:818)
        org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1626)
        org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49)
        java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
        java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
        org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
        java.lang.Thread.run(Thread.java:745)