NullPointerException while parsing page spec.
---------------------------------------------
Key: TAPESTRY-560
URL: http://issues.apache.org/jira/browse/TAPESTRY-560
Project: Tapestry
Type: Bug
Components: Framework
Versions: 4.0
Environment: winxp, Java5, Jboss 4.0.2/Tomcat
Reporter: Koen Serry
Priority: Critical
stacktrace
*
org.apache.tapestry.util.xml.DocumentParseException.<init>(DocumentParseException.java:45)
*
org.apache.tapestry.parse.SpecificationParser.parseDocument(SpecificationParser.java:1676)
*
org.apache.tapestry.parse.SpecificationParser.parsePageSpecification(SpecificationParser.java:1736
Looking at the code (and running it through the debugger), I found out that the
url was null even though the resouce is not.
URL resourceURL = resource.getResourceURL();
if (resourceURL == null)
throw new
DocumentParseException(ParseMessages.missingResource(resource), resource,null);
I'm using Tap 4.0, my application file contains the following :
<page name="Home" specification-path="/test/web/pages/Home.page"/>
and the Home.page looks like
<?xml version="1.0"?>
<!DOCTYPE page-specification PUBLIC "-//Apache Software Foundation//Tapestry
Specification 4.0//EN"
"http://jakarta.apache.org/tapestry/dtd/Tapestry_4_0.dtd";>
<page-specification class="org.apache.tapestry.html.BasePage"/>
the problem is .
according to the DTD the specification-path attribute in the page element is
the "resource classpath". So this should be something like /my/package/name,
alas the ContextResource class of Hivemind obtains the URL of the Resource via
the ServletContext, which is NOT by classpath but by path in the servletcontext
so like /WEB-INF/classes/my/package/name. Prefixing it with classpath or
context don't seem to work.
<!-- =======================================================
Element: page
Contained by: application, library-specification
Defines a single page within the application. Each application will contain
at least one of these, to define the Home page.
Attributes:
name: A unique name for the application.
specification-path: The resource classpath of the component specification
for the page.
-->
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