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https://issues.apache.org/jira/browse/TAP5-125?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12633525#action_12633525
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Toby Hobson commented on TAP5-125:
----------------------------------
Ted have a look at TAPESTRY-2325 basically the workaround is to include the
xmlns attribute in your div tag e.g.
<t:block t:id="blockToReturnFromEventHandler">
<div xmlns="http://www.w3.org/1999/xhtml";> <!-- this div is the "cause" for
the exception, if we remove it, the problem is gone -->
<t:myComponent... />
</div>
</t:block>
> Returning a block from an event handler method when the block contains a
> component wrapped in an additional element causes an Exception
> ---------------------------------------------------------------------------------------------------------------------------------------
>
> Key: TAP5-125
> URL: https://issues.apache.org/jira/browse/TAP5-125
> Project: Tapestry 5
> Issue Type: Bug
> Affects Versions: 5.0.15
> Reporter: Ted Steen
>
> When returning a block from an event handler method and the block contains a
> component that is wrapped in an additional element an exception is thrown.
> <t:block t:id="blockToReturnFromEventHandler">
> <div> <!-- this div is the "cause" for the exception, if we remove it, the
> problem is gone -->
> <t:myComponent... />
> </div>
> </t:block>
> java.lang.RuntimeException: Namespace prefix for URI
> 'http://www.w3.org/1999/xhtml' is not defined.
> at org.apache.tapestry5.dom.Element.toNamespacePrefix(Element.java:499)
> at org.apache.tapestry5.dom.Element.toNamespacePrefix(Element.java:501)
> at org.apache.tapestry5.dom.Element.toPrefixedName(Element.java:363)
> at org.apache.tapestry5.dom.Element.toMarkup(Element.java:296)
> at org.apache.tapestry5.dom.Node.writeChildMarkup(Node.java:81)
> at org.apache.tapestry5.dom.Node.getChildMarkup(Node.java:91)
> at
> org.apache.tapestry5.internal.services.PageRenderQueueImpl.renderPartial(PageRenderQueueImpl.java:150)
> at
> $PageRenderQueue_11c45f37386.renderPartial($PageRenderQueue_11c45f37386.java)
> at
> $PageRenderQueue_11c45f3737f.renderPartial($PageRenderQueue_11c45f3737f.java)
> at
> org.apache.tapestry5.services.TapestryModule$20.renderMarkup(TapestryModule.java:1208)
> at
> org.apache.tapestry5.services.TapestryModule$32.renderMarkup(TapestryModule.java:1640)
> at
> $PartialMarkupRenderer_11c45f373a7.renderMarkup($PartialMarkupRenderer_11c45f373a7.java)
> at
> org.apache.tapestry5.services.TapestryModule$31.renderMarkup(TapestryModule.java:1621)
> at
> $PartialMarkupRenderer_11c45f373a7.renderMarkup($PartialMarkupRenderer_11c45f373a7.java)
> at
> org.apache.tapestry5.services.TapestryModule$30.renderMarkup(TapestryModule.java:1603)
> at
> $PartialMarkupRenderer_11c45f373a7.renderMarkup($PartialMarkupRenderer_11c45f373a7.java)
> at
> org.apache.tapestry5.services.TapestryModule$29.renderMarkup(TapestryModule.java:1583)
> at
> $PartialMarkupRenderer_11c45f373a7.renderMarkup($PartialMarkupRenderer_11c45f373a7.java)
> at
> $PartialMarkupRenderer_11c45f373a6.renderMarkup($PartialMarkupRenderer_11c45f373a6.java)
> at
> org.apache.tapestry5.internal.services.AjaxPartialResponseRendererImpl.renderPartialPageMarkup(AjaxPartialResponseRendererImpl.java:79)
> at
> $AjaxPartialResponseRenderer_11c45f3739f.renderPartialPageMarkup($AjaxPartialResponseRenderer_11c45f3739f.java)
> at
> org.apache.tapestry5.internal.services.AjaxComponentEventRequestHandler.handle(AjaxComponentEventRequestHandler.java:112)
> at
> $ComponentEventRequestHandler_11c45f3739c.handle($ComponentEventRequestHandler_11c45f3739c.java)
> at
> org.apache.tapestry5.internal.services.AjaxFilter.handle(AjaxFilter.java:42)
> at
> $ComponentEventRequestHandler_11c45f3739d.handle($ComponentEventRequestHandler_11c45f3739d.java)
> at
> org.apache.tapestry5.services.TapestryModule$42.handle(TapestryModule.java:2032)
> at
> $ComponentEventRequestHandler_11c45f3739d.handle($ComponentEventRequestHandler_11c45f3739d.java)
> at
> $ComponentEventRequestHandler_11c45f372fa.handle($ComponentEventRequestHandler_11c45f372fa.java)
> at
> org.apache.tapestry5.internal.services.ComponentEventDispatcher.dispatch(ComponentEventDispatcher.java:131)
> at $Dispatcher_11c45f372fc.dispatch($Dispatcher_11c45f372fc.java)
> at $Dispatcher_11c45f372ef.dispatch($Dispatcher_11c45f372ef.java)
> at
> org.apache.tapestry5.services.TapestryModule$17.service(TapestryModule.java:1006)
> at
> org.apache.tapestry5.internal.services.LocalizationFilter.service(LocalizationFilter.java:42)
> at $RequestHandler_11c45f372f0.service($RequestHandler_11c45f372f0.java)
> at
> org.apache.tapestry5.internal.services.RequestErrorFilter.service(RequestErrorFilter.java:26)
> at $RequestHandler_11c45f372f0.service($RequestHandler_11c45f372f0.java)
> at
> org.apache.tapestry5.services.TapestryModule$3.service(TapestryModule.java:605)
> at $RequestHandler_11c45f372f0.service($RequestHandler_11c45f372f0.java)
> at
> org.apache.tapestry5.services.TapestryModule$2.service(TapestryModule.java:595)
> at $RequestHandler_11c45f372f0.service($RequestHandler_11c45f372f0.java)
> at
> org.apache.tapestry5.internal.services.StaticFilesFilter.service(StaticFilesFilter.java:85)
> at $RequestHandler_11c45f372f0.service($RequestHandler_11c45f372f0.java)
> at
> org.apache.tapestry5.internal.services.CheckForUpdatesFilter$2.invoke(CheckForUpdatesFilter.java:93)
> at
> org.apache.tapestry5.internal.services.CheckForUpdatesFilter$2.invoke(CheckForUpdatesFilter.java:84)
> at
> org.apache.tapestry5.ioc.internal.util.ConcurrentBarrier.withRead(ConcurrentBarrier.java:83)
> at
> org.apache.tapestry5.internal.services.CheckForUpdatesFilter.service(CheckForUpdatesFilter.java:106)
> at $RequestHandler_11c45f372f0.service($RequestHandler_11c45f372f0.java)
> at $RequestHandler_11c45f372e7.service($RequestHandler_11c45f372e7.java)
> at
> org.apache.tapestry5.services.TapestryModule$16.service(TapestryModule.java:986)
> at
> org.apache.tapestry5.upload.internal.services.MultipartServletRequestFilter.service(MultipartServletRequestFilter.java:44)
> at
> $HttpServletRequestHandler_11c45f372e8.service($HttpServletRequestHandler_11c45f372e8.java)
> at
> org.apache.tapestry5.internal.services.IgnoredPathsFilter.service(IgnoredPathsFilter.java:62)
> at
> $HttpServletRequestFilter_11c45f372e5.service($HttpServletRequestFilter_11c45f372e5.java)
> at
> $HttpServletRequestHandler_11c45f372e8.service($HttpServletRequestHandler_11c45f372e8.java)
> at
> $HttpServletRequestHandler_11c45f372e4.service($HttpServletRequestHandler_11c45f372e4.java)
> at org.apache.tapestry5.TapestryFilter.doFilter(TapestryFilter.java:177)
> 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)
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