Hi,
did your app start without any problems?
It looks like there is something wrong on startup.
Best greetings,
Paweł Wielgus.
2010/6/28 Nadipally, Srikar <srikar.nadipa...@hp.com>:
>
> Hi,
>
> I am a struts 2 beginner, I have written a basic login struts application and
> when I inspect the page source of the welcome.jsp which is a page displayed
> on successful login,
> Iam seeing some error messages as shown below.Why am I getting such errors
> after successful output is shown.
>
> <html><head><title>JBossWeb/2.0.1.GA - Error report</title><style><!--H1
> {font-family:Tahoma,Arial,sans-serif;color:white;background-color:#525D76;font-size:22px;}
> H2
> {font-family:Tahoma,Arial,sans-serif;color:white;background-color:#525D76;font-size:16px;}
> H3
> {font-family:Tahoma,Arial,sans-serif;color:white;background-color:#525D76;font-size:14px;}
> BODY
> {font-family:Tahoma,Arial,sans-serif;color:black;background-color:white;} B
> {font-family:Tahoma,Arial,sans-serif;color:white;background-color:#525D76;} P
> {font-family:Tahoma,Arial,sans-serif;background:white;color:black;font-size:12px;}A
> {color : black;}A.name {color : black;}HR {color : #525D76;}--></style>
> </head><body><h1>HTTP Status 500 - </h1><HR size="1"
> noshade="noshade"><p><b>type</b> Exception report</p><p><b>message</b>
> <u></u></p><p><b>description</b> <u>The server encountered an internal error
> () that prevented it from fulfilling this request.</u></p><p><b>exception</b>
> <pre>javax.servlet.ServletException: java.lang.NullPointerException
>
> org.apache.struts2.dispatcher.Dispatcher.serviceAction(Dispatcher.java:515)
>
> org.apache.struts2.dispatcher.FilterDispatcher.doFilter(FilterDispatcher.java:419)
>
> org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96)
> </pre></p><p><b>root cause</b> <pre>java.lang.NullPointerException
> Authenticate.validate(Authenticate.java:44)
>
> com.opensymphony.xwork2.interceptor.DefaultWorkflowInterceptor.doIntercept(DefaultWorkflowInterceptor.java:200)
>
> 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)
>
> com.opensymphony.xwork2.validator.ValidationInterceptor.doIntercept(ValidationInterceptor.java:150)
>
> org.apache.struts2.interceptor.validation.AnnotationValidationInterceptor.doIntercept(AnnotationValidationInterceptor.java:48)
>
> 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)
>
> com.opensymphony.xwork2.interceptor.ConversionErrorInterceptor.intercept(ConversionErrorInterceptor.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.ParametersInterceptor.doIntercept(ParametersInterceptor.java:167)
>
> 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)
>
> com.opensymphony.xwork2.interceptor.StaticParametersInterceptor.intercept(StaticParametersInterceptor.java:105)
>
> 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.CheckboxInterceptor.intercept(CheckboxInterceptor.java:83)
>
> 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.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:419)
>
> org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96)
> </pre></p><p><b>note</b> <u>The full stack trace of the root cause is
> available in the JBossWeb/2.0.1.GA logs.</u></p><HR size="1"
> noshade="noshade"><h3>JBossWeb/2.0.1.GA</h3></body></html>
>
> Thanks & Regards,
> Srikar Nadipally
>
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