Hi All,

Can someone give me a clue what this means?  I might still be having supplier 
jar trouble, if that's a pointer.

I get this exception when trying to display my first page in my first T5 
application:

An unexpected application exception has occurred.

    * java.lang.IllegalStateException
      No root element has been defined.

      Stack trace
org.apache.tapestry.dom.Document.toMarkup(Document.java:89)
org.apache.tapestry.internal.services.MarkupWriterImpl.toMarkup(MarkupWriterImpl.java:51)
org.apache.tapestry.internal.services.PageResponseRendererImpl.renderPageResponse(PageResponseRendererImpl.java:49)
org.apache.tapestry.internal.services.RootPathDispatcher$1.renderPage(RootPathDispatcher.java:66)
org.apache.tapestry.internal.services.PageLinkHandlerImpl.handle(PageLinkHandlerImpl.java:89)
org.apache.tapestry.internal.services.PageLinkHandlerImpl.handle(PageLinkHandlerImpl.java:49)
org.apache.tapestry.internal.services.RootPathDispatcher.dispatch(RootPathDispatcher.java:76)
org.apache.tapestry.services.TapestryModule$12.service(TapestryModule.java:1201)
org.apache.tapestry.internal.services.LocalizationFilter.service(LocalizationFilter.java:43)
org.apache.tapestry.services.TapestryModule$3.service(TapestryModule.java:736)
org.apache.tapestry.internal.services.StaticFilesFilter.service(StaticFilesFilter.java:63)
org.apache.tapestry.internal.services.CheckForUpdatesFilter$2.invoke(CheckForUpdatesFilter.java:91)
org.apache.tapestry.internal.services.CheckForUpdatesFilter$2.invoke(CheckForUpdatesFilter.java:82)
org.apache.tapestry.ioc.internal.util.ConcurrentBarrier.withRead(ConcurrentBarrier.java:77)
org.apache.tapestry.internal.services.CheckForUpdatesFilter.service(CheckForUpdatesFilter.java:104)
org.apache.tapestry.services.TapestryModule$11.service(TapestryModule.java:1179)
org.apache.tapestry.TapestryFilter.doFilter(TapestryFilter.java:115)
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:228)
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175)
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:104)
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:216)
org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844)
org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:634)
org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:445)
java.lang.Thread.run(Thread.java:595)

What's the file it's trying to parse?  My HTML is simple (not even any Tap 
markup), and web.xml looks ok

<html xmlns:t="http://tapestry.apache.org/schema/tapestry_5_0_0.xsd";>
<head>
  <title>Title</title>
</head>
<body>
  <p>The time is not here.</p>
</body>
</html>

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE web-app
    PUBLIC "-//Sun Microsystems, Inc.//DTD Web Application 2.3//EN"
    "http://java.sun.com/dtd/web-app_2_3.dtd";>
<web-app>
    <display-name>Title</display-name>
    <context-param>
        <param-name>tapestry.app-package</param-name>
        <param-value>uk.co.title</param-value>
    </context-param>
    <filter>
        <filter-name>app</filter-name>
        <filter-class>org.apache.tapestry.TapestryFilter</filter-class>
    </filter>
    <filter-mapping>
        <filter-name>app</filter-name>
        <url-pattern>/*</url-pattern>
    </filter-mapping>
</web-app>

Any pointers appreciated!

Tim.


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