Thanks much!! This is just what I needed. Gerry -----Original Message----- From: Jason Johnston [mailto:[EMAIL PROTECTED] Sent: Sunday, September 11, 2005 12:44 PM To: [email protected] Subject: Re: Expired continuations
Gerry Kaplan wrote:
> Is there a document or an example somewhere that shows how to handle
> an expired continuation. If the continuation expires and the user
> tries to continue their work, they get an ugly error page. How can I
> capture that error? Is it in the flow or in a sitemap?
It's in the sitemap. You can use the exception selector within your
handle-errors section to catch invalid continuations. The main sitemap that
ships with the Cocoon distro contains an example of this; here's a snippet
from that sitemap:
<!--+
| At the very end of a pipeline, you can catch the errors triggered
| by the pipeline execution. The error handler is an internal sitemap
| component that, when triggered by an error, takes over the normal
| pipeline execution.
| You can here use the "notifying" generator that produces an XML
| representation and further manipulate this document for presentation
| on screen.
| You can also use any other generator if you don't want the
| error to be displayed on screen. The "exception" selector can help
| you to define different screens for different error types.
+-->
<map:handle-errors>
<map:select type="exception">
<map:when test="not-found">
<map:generate type="exception"/>
<map:transform src="stylesheets/system/exception2html.xslt">
<map:parameter name="contextPath" value="{request:contextPath}"/>
<map:parameter name="realPath" value="{realpath:}"/>
<map:parameter name="pageTitle" value="Resource not found"/>
</map:transform>
<map:serialize status-code="404"/>
</map:when>
<map:when test="invalid-continuation">
<map:generate type="exception"/>
<map:transform src="stylesheets/system/exception2html.xslt">
<map:parameter name="contextPath" value="{request:contextPath}"/>
<map:parameter name="realPath" value="{realpath:}"/>
<map:parameter name="pageTitle" value="Invalid Continuation"/>
</map:transform>
<map:serialize status-code="404"/>
</map:when>
<map:otherwise>
<map:generate type="exception"/>
<map:transform src="stylesheets/system/exception2html.xslt">
<map:parameter name="contextPath" value="{request:contextPath}"/>
<map:parameter name="realPath" value="{realpath:}"/>
</map:transform>
<map:serialize status-code="500"/>
</map:otherwise>
</map:select>
</map:handle-errors>
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