DO NOT REPLY [Bug 16958] New: - caching pipeline serves wrong content

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http://nagoya.apache.org/bugzilla/show_bug.cgi?id=16958

caching pipeline serves wrong content

           Summary: caching pipeline serves wrong content
           Product: Cocoon 2
           Version: Current CVS
          Platform: Other
        OS/Version: Other
            Status: NEW
          Severity: Normal
          Priority: Other
         Component: core
        AssignedTo: cocoon-dev@xml.apache.org
        ReportedBy: ouzo@vip.net.pl


The pipeline configuration looks like this: 

<map:match pattern="protected/data/*">
	<map:aggregate element="root">
		<map:part src="xml/status-ok.xml" strip-root="true"/>
		<map:part src="cocoon:/data/{1}" strip-root="true"/>
	</map:aggregate>
</map:match>
[...]
<map:match pattern="data/*">
	<map:select type="request-parameter">
		<map:when test="data">
			<map:generate src="descriptors/{1}.xml"/>
		</map:when>
		<map:when test="filter">
			<map:generate src="descriptors/{1}-filter.xml"/>
		</map:when>
		<map:otherwise>
			<map:generate src="data/{1}.xsp" type="serverpages"/>
			<map:transform src="stylesheets/default.xsl"/>
		</map:otherwise>
	</map:select>
	<map:serialize/>
</map:match>

request parameter selector is :
<map:selector logger="sitemap.selector.request-parameter" 
	name="request-parameter" 
	src="org.apache.cocoon.selection.RequestParameterSelector">
	<parameter-name>descriptor</parameter-name>
</map:selector>

The logic behind that is: 
if user requests http://host/cocoon/protected/data/somedata - xml data from
database is provided

if user requests http://host/cocoon/protected/data/somedata?descriptor=file or 
http://host/cocoon/protected/data/somedata?descriptor=data static xml files
are sent that describe the rowset. 

While working with cocoon after Tomcat restarts it works well (sometimes 30 
minutes sometimes even 2 hours), when suddenly logs say that cached response 
has been found and since then only the static 
descriptor "descriptors/somedata.xml" is being served no matter what parameters 
in the URL are sent.

I am using default pipeline configuration I'm also sure that is not due to the
client side caching. The problem did not occur in HEAD compilation dated 
somewhere at the beginning of the year (I think I have checked out 2003-01-01 
state to compile but I'm not sure)

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