You can resolve this issue by following steps given in http://susa.wikidot.com/struts2
LesleyT wrote: > > Example NPE exception stack trace that I get when navigating to the URL: > > > > java.lang.NullPointerException > at > org.apache.struts2.views.jsp.ComponentTagSupport.doStartTag(ComponentTagSupport.java:50) > at jsp_servlet._web_45_inf._jsp.__home._jspService(__home.java:226) > at weblogic.servlet.jsp.JspBase.service(JspBase.java:33) > at > weblogic.servlet.internal.ServletStubImpl$ServletInvocationAction.run(ServletStubImpl.java:1072) > at > weblogic.servlet.internal.ServletStubImpl.invokeServlet(ServletStubImpl.java:465) > at > weblogic.servlet.internal.ServletStubImpl.invokeServlet(ServletStubImpl.java:526) > at weblogic.servlet.internal.TailFilter.doFilter(TailFilter.java:28) > at > weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:27) > at > org.apache.struts2.dispatcher.FilterDispatcher.doFilter(FilterDispatcher.java:413) > at > weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:27) > at > weblogic.servlet.internal.RequestDispatcherImpl.forward(RequestDispatcherImpl.java:326) > at > org.apache.struts2.dispatcher.ServletDispatcherResult.doExecute(ServletDispatcherResult.java:139) > at > org.apache.struts2.dispatcher.StrutsResultSupport.execute(StrutsResultSupport.java:178) > at > com.opensymphony.xwork2.DefaultActionInvocation.executeResult(DefaultActionInvocation.java:348) > at > com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:253) > at > com.opensymphony.xwork2.interceptor.DefaultWorkflowInterceptor.doIntercept(DefaultWorkflowInterceptor.java:221) > at > com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:86) > at > com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionInvocation.java:224) > at > com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionInvocation.java:223) > at > com.opensymphony.xwork2.util.profiling.UtilTimerStack.profile(UtilTimerStack.java:455) > at > com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:221) > at > com.opensymphony.xwork2.validator.ValidationInterceptor.doIntercept(ValidationInterceptor.java:150) > at > org.apache.struts2.interceptor.validation.AnnotationValidationInterceptor.doIntercept(AnnotationValidationInterceptor.java:48) > at > com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:86) > at > com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionInvocation.java:224) > at > com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionInvocation.java:223) > at > com.opensymphony.xwork2.util.profiling.UtilTimerStack.profile(UtilTimerStack.java:455) > at > com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:221) > at > com.opensymphony.xwork2.interceptor.ConversionErrorInterceptor.intercept(ConversionErrorInterceptor.java:123) > at > com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionInvocation.java:224) > at > com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionInvocation.java:223) > at > com.opensymphony.xwork2.util.profiling.UtilTimerStack.profile(UtilTimerStack.java:455) > at > com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:221) > at > com.opensymphony.xwork2.interceptor.ParametersInterceptor.doIntercept(ParametersInterceptor.java:167) > at > com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:86) > at > com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionInvocation.java:224) > at > com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionInvocation.java:223) > at > com.opensymphony.xwork2.util.profiling.UtilTimerStack.profile(UtilTimerStack.java:455) > at > com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:221) > at > com.opensymphony.xwork2.interceptor.StaticParametersInterceptor.intercept(StaticParametersInterceptor.java:105) > at > com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionInvocation.java:224) > at > com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionInvocation.java:223) > at > com.opensymphony.xwork2.util.profiling.UtilTimerStack.profile(UtilTimerStack.java:455) > at > com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:221) > at > org.apache.struts2.interceptor.CheckboxInterceptor.intercept(CheckboxInterceptor.java:83) > at > com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionInvocation.java:224) > at > com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionInvocation.java:223) > at > com.opensymphony.xwork2.util.profiling.UtilTimerStack.profile(UtilTimerStack.java:455) > at > com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:221) > at > org.apache.struts2.interceptor.FileUploadInterceptor.intercept(FileUploadInterceptor.java:207) > at > com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionInvocation.java:224) > at > com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionInvocation.java:223) > at > com.opensymphony.xwork2.util.profiling.UtilTimerStack.profile(UtilTimerStack.java:455) > at > com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:221) > at > com.opensymphony.xwork2.interceptor.ModelDrivenInterceptor.intercept(ModelDrivenInterceptor.java:74) > at > com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionInvocation.java:224) > at > com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionInvocation.java:223) > at > com.opensymphony.xwork2.util.profiling.UtilTimerStack.profile(UtilTimerStack.java:455) > at > com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:221) > at > com.opensymphony.xwork2.interceptor.ScopedModelDrivenInterceptor.intercept(ScopedModelDrivenInterceptor.java:127) > at > com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionInvocation.java:224) > at > com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionInvocation.java:223) > at > com.opensymphony.xwork2.util.profiling.UtilTimerStack.profile(UtilTimerStack.java:455) > at > com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:221) > at > org.apache.struts2.interceptor.ProfilingActivationInterceptor.intercept(ProfilingActivationInterceptor.java:107) > at > com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionInvocation.java:224) > at > com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionInvocation.java:223) > at > com.opensymphony.xwork2.util.profiling.UtilTimerStack.profile(UtilTimerStack.java:455) > at > com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:221) > at > org.apache.struts2.interceptor.debugging.DebuggingInterceptor.intercept(DebuggingInterceptor.java:206) > at > com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionInvocation.java:224) > at > com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionInvocation.java:223) > at > com.opensymphony.xwork2.util.profiling.UtilTimerStack.profile(UtilTimerStack.java:455) > at > com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:221) > at > com.opensymphony.xwork2.interceptor.ChainingInterceptor.intercept(ChainingInterceptor.java:115) > at > com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionInvocation.java:224) > at > com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionInvocation.java:223) > at > com.opensymphony.xwork2.util.profiling.UtilTimerStack.profile(UtilTimerStack.java:455) > at > com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:221) > at > com.opensymphony.xwork2.interceptor.I18nInterceptor.intercept(I18nInterceptor.java:143) > at > com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionInvocation.java:224) > at > com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionInvocation.java:223) > at > com.opensymphony.xwork2.util.profiling.UtilTimerStack.profile(UtilTimerStack.java:455) > at > com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:221) > at > com.opensymphony.xwork2.interceptor.PrepareInterceptor.doIntercept(PrepareInterceptor.java:121) > at > com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:86) > at > com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionInvocation.java:224) > at > com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionInvocation.java:223) > at > com.opensymphony.xwork2.util.profiling.UtilTimerStack.profile(UtilTimerStack.java:455) > at > com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:221) > at > org.apache.struts2.interceptor.ServletConfigInterceptor.intercept(ServletConfigInterceptor.java:170) > at > com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionInvocation.java:224) > at > com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionInvocation.java:223) > at > com.opensymphony.xwork2.util.profiling.UtilTimerStack.profile(UtilTimerStack.java:455) > at > com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:221) > at > com.opensymphony.xwork2.interceptor.AliasInterceptor.intercept(AliasInterceptor.java:123) > at > com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionInvocation.java:224) > at > com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionInvocation.java:223) > at > com.opensymphony.xwork2.util.profiling.UtilTimerStack.profile(UtilTimerStack.java:455) > at > com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:221) > at > com.opensymphony.xwork2.interceptor.ExceptionMappingInterceptor.intercept(ExceptionMappingInterceptor.java:176) > at > com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionInvocation.java:224) > at > com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionInvocation.java:223) > at > com.opensymphony.xwork2.util.profiling.UtilTimerStack.profile(UtilTimerStack.java:455) > at > com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:221) > at > org.apache.struts2.impl.StrutsActionProxy.execute(StrutsActionProxy.java:50) > at > org.apache.struts2.dispatcher.Dispatcher.serviceAction(Dispatcher.java:504) > at > org.apache.struts2.dispatcher.FilterDispatcher.doFilter(FilterDispatcher.java:419) > at > weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:27) > at > weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.run(WebAppServletContext.java:6987) > at > weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:321) > at > weblogic.security.service.SecurityManager.runAs(SecurityManager.java:121) > at > weblogic.servlet.internal.WebAppServletContext.invokeServlet(WebAppServletContext.java:3892) > at > weblogic.servlet.internal.ServletRequestImpl.execute(ServletRequestImpl.java:2766) > at weblogic.kernel.ExecuteThread.execute(ExecuteThread.java:224) > at weblogic.kernel.ExecuteThread.run(ExecuteThread.java:183) > > -- View this message in context: http://www.nabble.com/Running-Struts-2.0.11-on-Weblogic-8.1-SP5-tp14573006p14574724.html Sent from the Struts - User mailing list archive at Nabble.com. --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
