Is it ok to ask for help on this forum for this tapestry library? I have asked before from the authors without any luck.
I am currently experiencing a ramdom NPE from their component. An unexpected application exception has occurred.java.lang.NullPointerExceptionFilter stack frames Stack trace net.atos.kawwaportal.components.services.KawwaPortalComponentsModule$2.renderMarkup(KawwaPortalComponentsModule.java:102) org.apache.tapestry5.internal.services.PageMarkupRendererImpl.renderPageMarkup(PageMarkupRendererImpl.java:47) org.apache.tapestry5.internal.services.PageResponseRendererImpl.renderPageResponse(PageResponseRendererImpl.java:67) org.apache.tapestry5.internal.services.PageRenderRequestHandlerImpl.handle(PageRenderRequestHandlerImpl.java:64) org.apache.tapestry5.services.TapestryModule$38.handle(TapestryModule.java:2222) org.apache.tapestry5.internal.services.ComponentRequestHandlerTerminator.handlePageRender(ComponentRequestHandlerTerminator.java:48) org.apache.tapestry5.services.InitializeActivePageName.handlePageRender(InitializeActivePageName.java:47) org.tynamo.security.SecurityComponentRequestFilter.handlePageRender(SecurityComponentRequestFilter.java:49) org.apache.tapestry5.internal.services.PageRenderDispatcher.dispatch(PageRenderDispatcher.java:45) org.apache.tapestry5.services.TapestryModule$RequestHandlerTerminator.service(TapestryModule.java:302) org.apache.tapestry5.internal.services.RequestErrorFilter.service(RequestErrorFilter.java:26) org.apache.tapestry5.services.TapestryModule$3.service(TapestryModule.java:902) org.apache.tapestry5.services.TapestryModule$2.service(TapestryModule.java:892) org.apache.tapestry5.internal.services.StaticFilesFilter.service(StaticFilesFilter.java:90) org.apache.tapestry5.internal.services.CheckForUpdatesFilter$2.invoke(CheckForUpdatesFilter.java:105) org.apache.tapestry5.internal.services.CheckForUpdatesFilter$2.invoke(CheckForUpdatesFilter.java:95) org.apache.tapestry5.ioc.internal.util.ConcurrentBarrier.withRead(ConcurrentBarrier.java:85) org.apache.tapestry5.internal.services.CheckForUpdatesFilter.service(CheckForUpdatesFilter.java:119) org.apache.tapestry5.services.TapestryModule$HttpServletRequestHandlerTerminator.service(TapestryModule.java:253) org.got5.tapestry5.jquery.services.AjaxUploadServletRequestFilter.service(AjaxUploadServletRequestFilter.java:27) org.tynamo.security.services.impl.SecurityConfiguration$1.call(SecurityConfiguration.java:55) org.tynamo.security.services.impl.SecurityConfiguration$1.call(SecurityConfiguration.java:53) org.apache.shiro.subject.support.SubjectCallable.doCall(SubjectCallable.java:90) org.apache.shiro.subject.support.SubjectCallable.call(SubjectCallable.java:83) org.apache.shiro.subject.support.DelegatingSubject.execute(DelegatingSubject.java:380) org.tynamo.security.services.impl.SecurityConfiguration.service(SecurityConfiguration.java:53) org.apache.tapestry5.upload.internal.services.MultipartServletRequestFilter.service(MultipartServletRequestFilter.java:44) org.apache.tapestry5.internal.gzip.GZipFilter.service(GZipFilter.java:53) org.apache.tapestry5.internal.services.IgnoredPathsFilter.service(IgnoredPathsFilter.java:62) org.apache.tapestry5.services.TapestryModule$1.service(TapestryModule.java:852) org.apache.tapestry5.TapestryFilter.doFilter(TapestryFilter.java:171)