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From: "Ben Pope" <ben_pope@REMOVE_MEhotmail.com>
To: <users@cocoon.apache.org>
Subject: Pipelines & caching
Date: Sat, 5 Mar 2005 15:26:20 -0000
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Hi,

I have some generic pipelines that return data in xml.

I then wrap those pipelines with generator / serialisers to choose the
output type.  E.g.,


<map:match pattern="*/*/Form">
   ...
   <map:call function...
</map:match>

<map:match pattern="*/*/FormPipeline">
   <map:generate...
   <map:transform...
   <map:serialize type="xml"/>
</map:match>


<!-- And the wrappers: -->

<map:match pattern="*/*/*.xml">
   <map:generate src="cocoon:/{1}/{2}/{3}"/>
   <map:serialize type="xml"/>
</map:match>

<map:match pattern="*/*/*.pdf">
   <map:generate src="cocoon:/{1}/{2}/{3}.html"/>
   <map:transform src="style/xhtml-to-xslfo.xsl" type="xslt"/>
   <map:serialize type="fo2pdf"/>
</map:match>

<!-- Default -->
<map:match pattern="*/*/*.*">
   <map:generate src="cocoon:/{1}/{2}/{3}"/>
   <map:serialize type="xhtml"/>
</map:match>


It looks as if the output gets cached, when I request a form like:

http://localhost:82/foo/bar/Form.html?id=0

I get the correct page, so I request:

http://localhost:82/foo/bar/Form.html?id=1

And get the correct page.  However, all other requests to the first (id=0),
now result in the second pipeline (id=1), including things like continuation
IDs.  The problem must in cocoon (as opposed to browser cache), as the
console correctly prints out debug data from the flow, every time I make the
request.

How do I prevent this 'caching'?

I hope that clear enough.

Cheers for your time,

Ben Pope


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