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Date: Thu, 31 May 2007 00:41:50 +0200
From: Joerg Heinicke <joerg.heinicke@gmx.de>
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To: dev@cocoon.apache.org
Subject: Re: ZipFileSerializer After XInclude Throws NullPointerException
References: <200705301256.06035.guila@dainty.ca>
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On 30.05.2007 18:56, Adrien Guillon wrote:

>    I'm writing some sitemap logic for handling Oasis Document Format (ODF) 
> files.  However, I've found what looks like a bug in Cocoon-2.1.10.  I get a 
> NullPointerException when the ZipFileSerializer is preceded by the XInclude 
> transformer.  I constructed a very simple sitemap and XML files, and have 
> been able to reproduce the problem.  I'm using Cocoon 2.1.10 with JDK 1.5.  
> The problem was also reproduced on Cocoon 2.1.9 with JDK 1.4.
> 
>    What's funny is that if I take the resultant XML file after the xinclude 
> transformation, and serialize with xml, and then run the zip file serializer 
> on that file... everything is fine.  It doesn't look like an XML document 
> issue...
> 
> Please find relevant info below.... let me know if anything else is needed.
> 
> AJ
> 
>    Here's a simple sitemap snippet to show the problem:
> 
>         <!-- This works OK --->
>         <map:match pattern="no-pipeline-simple.zip">
>             <map:generate src="no_pipeline.xml"/>
>             <map:serialize type="zip"/>
>         </map:match>
> 
>         <!-- This fails -->
>         <map:match pattern="simple.zip">
>             <map:generate src="simple_xi.xml"/>
>             <map:transform type="xinclude"/>
>             <map:serialize type="zip"/>
>         </map:match>
> 
>         <!-- something to include -->
>         <map:match pattern="simple.xml">
>             <map:generate src="simple.xml"/>
>             <map:serialize type="xml"/>
>         </map:match>
> 
> 
> Now I have two other files:
> 
> simple.xml: <simple>Hello</simple>
> 
> simple_xi.xml: 
> 
> <?xml version="1.0" encoding="ISO-8859-1"?>
> <zip:archive xmlns:zip="http://apache.org/cocoon/zip-archive/1.0" 
> xmlns:xi="http://www.w3.org/2001/XInclude" >
>  <zip:entry name="content.xml" serializer="xml">
>   <xi:include href="cocoon:/simple.xml"/>
>  </zip:entry>
> </zip:archive>

Hello Adrien,

can you try 1. to use a reader for simple.xml pipeline instead of 
generator + serializer, 2. to include simple.xml directly instead of via 
cocoon pipeline?

Joerg