NPE when using a label with a radio group component ---------------------------------------------------
Key: TAP5-635 URL: https://issues.apache.org/jira/browse/TAP5-635 Project: Tapestry 5 Issue Type: Bug Affects Versions: 5.1.0.2 Reporter: Andy Blower After three hours of detective work I've tracked this NPE to using a label with a radio group component. This works in 5.0.18, but not in 5.1.0.2. The stack trace is as follows for the example page I will attach: ERROR (RequestExceptionHandler:62 ) - Processing of request failed with uncaught exception: java.lang.NullPointerException java.lang.NullPointerException at org.apache.tapestry5.dom.AbstractMarkupModel.encodeQuoted(AbstractMarkupModel.java:94) at org.apache.tapestry5.dom.Attribute.render(Attribute.java:69) at org.apache.tapestry5.dom.Element.toMarkup(Element.java:313) at org.apache.tapestry5.dom.Element.writeChildMarkup(Element.java:835) at org.apache.tapestry5.dom.Element.toMarkup(Element.java:351) at org.apache.tapestry5.dom.Element.writeChildMarkup(Element.java:835) at org.apache.tapestry5.dom.Element.toMarkup(Element.java:351) at org.apache.tapestry5.dom.Element.writeChildMarkup(Element.java:835) at org.apache.tapestry5.dom.Element.toMarkup(Element.java:351) at org.apache.tapestry5.dom.Element.writeChildMarkup(Element.java:835) at org.apache.tapestry5.dom.Element.toMarkup(Element.java:351) at org.apache.tapestry5.dom.Element.writeChildMarkup(Element.java:835) at org.apache.tapestry5.dom.Element.toMarkup(Element.java:351) at org.apache.tapestry5.dom.Element.writeChildMarkup(Element.java:835) at org.apache.tapestry5.dom.Element.toMarkup(Element.java:351) at org.apache.tapestry5.dom.Document.toMarkup(Document.java:163) at org.apache.tapestry5.dom.Node.toMarkup(Node.java:80) at org.apache.tapestry5.internal.services.MarkupWriterImpl.toMarkup(MarkupWriterImpl.java:57) at org.apache.tapestry5.internal.services.PageResponseRendererImpl.renderPageResponse(PageResponseRendererImpl.java:67) at $PageResponseRenderer_1208672dc1e.renderPageResponse($PageResponseRenderer_1208672dc1e.java) at org.apache.tapestry5.internal.services.PageRenderRequestHandlerImpl.handle(PageRenderRequestHandlerImpl.java:63) at org.apache.tapestry5.services.TapestryModule$33.handle(TapestryModule.java:1952) at $PageRenderRequestHandler_1208672dc1f.handle($PageRenderRequestHandler_1208672dc1f.java) at $PageRenderRequestHandler_1208672dc0b.handle($PageRenderRequestHandler_1208672dc0b.java) at org.apache.tapestry5.internal.services.ComponentRequestHandlerTerminator.handlePageRender(ComponentRequestHandlerTerminator.java:48) at $ComponentRequestHandler_1208672dc0f.handlePageRender($ComponentRequestHandler_1208672dc0f.java) at org.apache.tapestry5.internal.services.PageRenderDispatcher.dispatch(PageRenderDispatcher.java:45) at $Dispatcher_1208672dc11.dispatch($Dispatcher_1208672dc11.java) at $Dispatcher_1208672dc07.dispatch($Dispatcher_1208672dc07.java) at org.apache.tapestry5.services.TapestryModule$RequestHandlerTerminator.service(TapestryModule.java:250) at org.apache.tapestry5.internal.services.RequestErrorFilter.service(RequestErrorFilter.java:26) at $RequestHandler_1208672dc08.service($RequestHandler_1208672dc08.java) at org.apache.tapestry5.services.TapestryModule$4.service(TapestryModule.java:782) at $RequestHandler_1208672dc08.service($RequestHandler_1208672dc08.java) at org.apache.tapestry5.services.TapestryModule$3.service(TapestryModule.java:771) at $RequestHandler_1208672dc08.service($RequestHandler_1208672dc08.java) at org.apache.tapestry5.internal.services.StaticFilesFilter.service(StaticFilesFilter.java:85) at $RequestHandler_1208672dc08.service($RequestHandler_1208672dc08.java) at com.proquest.apps.corelib.AppCoreLibModule$4.service(AppCoreLibModule.java:209) at $RequestFilter_1208672dc04.service($RequestFilter_1208672dc04.java) at $RequestHandler_1208672dc08.service($RequestHandler_1208672dc08.java) at org.apache.tapestry5.internal.services.CheckForUpdatesFilter$2.invoke(CheckForUpdatesFilter.java:90) at org.apache.tapestry5.internal.services.CheckForUpdatesFilter$2.invoke(CheckForUpdatesFilter.java:81) at org.apache.tapestry5.ioc.internal.util.ConcurrentBarrier.withRead(ConcurrentBarrier.java:85) at org.apache.tapestry5.internal.services.CheckForUpdatesFilter.service(CheckForUpdatesFilter.java:103) at $RequestHandler_1208672dc08.service($RequestHandler_1208672dc08.java) at $RequestHandler_1208672dbfe.service($RequestHandler_1208672dbfe.java) at org.apache.tapestry5.services.TapestryModule$HttpServletRequestHandlerTerminator.service(TapestryModule.java:202) at org.apache.tapestry5.internal.gzip.GZipFilter.service(GZipFilter.java:53) at $HttpServletRequestHandler_1208672dc00.service($HttpServletRequestHandler_1208672dc00.java) at org.apache.tapestry5.internal.services.IgnoredPathsFilter.service(IgnoredPathsFilter.java:62) at $HttpServletRequestFilter_1208672dbfd.service($HttpServletRequestFilter_1208672dbfd.java) at $HttpServletRequestHandler_1208672dc00.service($HttpServletRequestHandler_1208672dc00.java) at org.apache.tapestry5.services.TapestryModule$2.service(TapestryModule.java:730) at $HttpServletRequestHandler_1208672dc00.service($HttpServletRequestHandler_1208672dc00.java) at $HttpServletRequestHandler_1208672dbfb.service($HttpServletRequestHandler_1208672dbfb.java) at org.apache.tapestry5.TapestryFilter.doFilter(TapestryFilter.java:127) at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1084) at org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:360) at org.mortbay.jetty.security.SecurityHandler.handle(SecurityHandler.java:216) at org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:181) at org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:722) at org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java:404) at org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:139) at org.mortbay.jetty.Server.handle(Server.java:324) at org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:505) at org.mortbay.jetty.HttpConnection$RequestHandler.headerComplete(HttpConnection.java:828) at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:514) at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:211) at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:380) at org.mortbay.io.nio.SelectChannelEndPoint.run(SelectChannelEndPoint.java:395) at org.mortbay.thread.BoundedThreadPool$PoolThread.run(BoundedThreadPool.java:450) -- This message is automatically generated by JIRA. - You can reply to this email to add a comment to the issue online.