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Posted to users@cocoon.apache.org by Ross Gardler <rg...@apache.org> on 2005/07/14 15:19:30 UTC
XPathDirectoryGenerator gives Runtime exception
I'm using the XPathDirectoryGenerator and I am having a little trouble
with it giving a RuntimeException (partial stack trace at end of this
mail). The strange thing is that if I use save the output of the
XPathGenerator in a file it works.
My sitemap has:
<map:match pattern="resume.aggregate.xml">
<map:generate type="xpathdirectory"
src="{project:content.xdocs}/team/resume">
<map:parameter name="include" value=".*.xml$"/>
<map:parameter name="xpath" value="/"/>
</map:generate>
<map:serialize type="xml"/>
</map:match>
This gives the response I expect. Then I have:
<map:match pattern="resume.site.snippet.xml">
<map:generate src="cocoon:/resume.aggregate.xml"/>
<map:transform src="resources/stylesheets/resumeAggregate2site.xsl"/>
<map:serialize type="xml"/>
</map:match>
If I request resume.site.snippet.xml I get an Internal Server Error
(Cause is reported as null, error.log is below)
If I save the file returned from resume.aggregate.xml as test.xml and
replace the generator in the second match with:
<map:generate src="test.xml"/>
Then I get the transformed document as I expect it.
I have also tested putting the generator in the second match with that
from the first match, but as expected there is no change in behaviour
(i.e. the error is still reported).
Does anyone have any ideas what is happening?
Here is a partial stacktrace from error.log:
ERROR (2005-07-14) 13:17.49:639 [access] (/resume.site.snippet.xml)
PoolThread-4/CocoonServlet: Internal Cocoon Problem
org.apache.cocoon.ProcessingException: Error executing pipeline.:
java.lang.RuntimeException
at
org.apache.cocoon.components.pipeline.AbstractProcessingPipeline.handleException(AbstractProcessingPipeline.java:788)
at
org.apache.cocoon.components.pipeline.impl.AbstractCachingProcessingPipeline.processXMLPipeline(AbstractCachingProcessingPipeline.java:263)
at
org.apache.cocoon.components.pipeline.AbstractProcessingPipeline.process(AbstractProcessingPipeline.java:664)
at
org.apache.cocoon.components.source.impl.SitemapSource.toSAX(SitemapSource.java:349)
at
org.apache.cocoon.components.source.SourceUtil.parse(SourceUtil.java:206)
at
org.apache.cocoon.generation.FileGenerator.generate(FileGenerator.java:117)
.....
ERROR (2005-07-14) 13:17.49:639 [access] (/resume.site.snippet.xml)
PoolThread-4/CocoonServlet: Internal Cocoon Problem
org.apache.cocoon.ProcessingException: Error executing pipeline.:
java.lang.RuntimeException
at
org.apache.cocoon.components.pipeline.AbstractProcessingPipeline.handleException(AbstractProcessingPipeline.java:788)
at
org.apache.cocoon.components.pipeline.impl.AbstractCachingProcessingPipeline.processXMLPipeline(AbstractCachingProcessingPipeline.java:263)
at
org.apache.cocoon.components.pipeline.AbstractProcessingPipeline.process(AbstractProcessingPipeline.java:664)
at
org.apache.cocoon.components.source.impl.SitemapSource.toSAX(SitemapSource.java:349)
at
org.apache.cocoon.components.source.SourceUtil.parse(SourceUtil.java:206)
at
org.apache.cocoon.generation.FileGenerator.generate(FileGenerator.java:117)
Caused by: java.lang.RuntimeException
at
org.apache.xalan.transformer.TransformerImpl.run(TransformerImpl.java:3418)
at
org.apache.xalan.transformer.TransformerHandlerImpl.endDocument(TransformerHandlerImpl.java:389)
at
org.apache.cocoon.xml.AbstractXMLPipe.endDocument(AbstractXMLPipe.java:55)
at
org.apache.cocoon.transformation.TraxTransformer.endDocument(TraxTransformer.java:562)
at
org.apache.cocoon.environment.internal.EnvironmentChanger.endDocument(EnvironmentStack.java:118)
at
org.apache.cocoon.components.sax.XMLTeePipe.endDocument(XMLTeePipe.java:67)
at
org.apache.cocoon.xml.dom.DOMStreamer$NamespaceNormalizingDOMStreamer.stream(DOMStreamer.java:258)
at org.apache.cocoon.xml.dom.DOMStreamer.stream(DOMStreamer.java:150)
at
org.apache.cocoon.generation.XPathDirectoryGenerator.performXPathQuery(XPathDirectoryGenerator.java:299)
....
ERROR (2005-07-14) 13:17.49:639 [access] (/resume.site.snippet.xml)
PoolThread-4/CocoonServlet: Internal Cocoon Problem
org.apache.cocoon.ProcessingException: Error executing pipeline.:
java.lang.RuntimeException
at
org.apache.cocoon.components.pipeline.AbstractProcessingPipeline.handleException(AbstractProcessingPipeline.java:788)
at
org.apache.cocoon.components.pipeline.impl.AbstractCachingProcessingPipeline.processXMLPipeline(AbstractCachingProcessingPipeline.java:263)
at
org.apache.cocoon.components.pipeline.AbstractProcessingPipeline.process(AbstractProcessingPipeline.java:664)
at
org.apache.cocoon.components.source.impl.SitemapSource.toSAX(SitemapSource.java:349)
at
org.apache.cocoon.components.source.SourceUtil.parse(SourceUtil.java:206)
at
org.apache.cocoon.generation.FileGenerator.generate(FileGenerator.java:117)
Caused by: java.lang.RuntimeException
at
org.apache.xalan.transformer.TransformerImpl.run(TransformerImpl.java:3418)
at
org.apache.xalan.transformer.TransformerHandlerImpl.endDocument(TransformerHandlerImpl.java:389)
at
org.apache.cocoon.xml.AbstractXMLPipe.endDocument(AbstractXMLPipe.java:55)
at
org.apache.cocoon.transformation.TraxTransformer.endDocument(TraxTransformer.java:562)
at
org.apache.cocoon.environment.internal.EnvironmentChanger.endDocument(EnvironmentStack.java:118)
at
org.apache.cocoon.components.sax.XMLTeePipe.endDocument(XMLTeePipe.java:67)
at
org.apache.cocoon.xml.dom.DOMStreamer$NamespaceNormalizingDOMStreamer.stream(DOMStreamer.java:258)
at org.apache.cocoon.xml.dom.DOMStreamer.stream(DOMStreamer.java:150)
at
org.apache.cocoon.generation.XPathDirectoryGenerator.performXPathQuery(XPathDirectoryGenerator.java:299)
java.lang.RuntimeException
at
org.apache.xalan.transformer.TransformerImpl.run(TransformerImpl.java:3418)
at
org.apache.xalan.transformer.TransformerHandlerImpl.endDocument(TransformerHandlerImpl.java:389)
at
org.apache.cocoon.xml.AbstractXMLPipe.endDocument(AbstractXMLPipe.java:55)
at
org.apache.cocoon.transformation.TraxTransformer.endDocument(TraxTransformer.java:562)
at
org.apache.cocoon.environment.internal.EnvironmentChanger.endDocument(EnvironmentStack.java:118)
at
org.apache.cocoon.components.sax.XMLTeePipe.endDocument(XMLTeePipe.java:67)
at
org.apache.cocoon.xml.dom.DOMStreamer$NamespaceNormalizingDOMStreamer.stream(DOMStreamer.java:258)
at org.apache.cocoon.xml.dom.DOMStreamer.stream(DOMStreamer.java:150)
at
org.apache.cocoon.generation.XPathDirectoryGenerator.performXPathQuery(XPathDirectoryGenerator.java:299)
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Re: XPathDirectoryGenerator gives Runtime exception
Posted by Gerald Aichholzer <ga...@iicm.tu-graz.ac.at>.
Ross Gardler wrote:
> I'm using the XPathDirectoryGenerator and I am having a little trouble
> with it giving a RuntimeException (partial stack trace at end of this
> mail). The strange thing is that if I use save the output of the
> XPathGenerator in a file it works.
>
> My sitemap has:
>
> <map:match pattern="resume.aggregate.xml">
> <map:generate type="xpathdirectory"
> src="{project:content.xdocs}/team/resume">
> <map:parameter name="include" value=".*.xml$"/>
> <map:parameter name="xpath" value="/"/>
> </map:generate>
-X-
> <map:serialize type="xml"/>
> </map:match>
>
> This gives the response I expect. Then I have:
>
Since I have been using Cocoon (2.1.5) I have never succeeded
in creating a working pipeline with XPathDirectoryGenerator.
The only working configuration was the one shown above: XPath-
DirectoryGenerator being followed directly by the XML seriali-
zer. As soon as I have inserted any transformation at -X- a
runtime error was reported.
I have investigated some time in finding out [1], what was wrong,
but at that time it looked like I was the only one experiencing
such troubles. All my Cocoon installations on several computers
showed this behaviour.
Finally I have created a workaround using the DirectoryGenerator
in combination with CInclude.
Gerald
[1] http://marc.theaimsgroup.com/?l=xml-cocoon-users&m=109111055413204&w=2
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