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Posted to dev@cocoon.apache.org by Merico Raffaele <ra...@less.ch> on 2004/12/23 12:11:12 UTC

TemplateTrax Error

Dear Cocoon Devs

I'm developing an XML-Template-Trax based on Saxon that I would like to
contribute to the cocoon community (see also discussion on this list
'Templating: experiments with Conal's html-to-xslt transform'). 

At the current state I have the following problem: one and the same
test-translation (same script, same XML-data aggregated of the request and 2
files) runs 100 time good and then I got the following error.

Could you please have a look at the following error messages and tell me how
we can proceed to find the problem.

Cheers,
Raffaele

ERROR   (2004-12-22) 16:16.59:392   [sitemap.handled-errors]
(/ve2000ic/appl/index/bla/5) http-8080-Processor14/PipelineNode: Error
executing pipeline.
org.apache.cocoon.ProcessingException: Error executing pipeline.:
net.sf.saxon.xpath.DynamicError: Required type of first operand of '/' is
node(); supplied value has type xs:string
	at
org.apache.cocoon.components.pipeline.AbstractProcessingPipeline.handleExcep
tion(AbstractProcessingPipeline.java:825)
	at
org.apache.cocoon.components.pipeline.impl.AbstractCachingProcessingPipeline
.processXMLPipeline(AbstractCachingProcessingPipeline.java:270)
	at
org.apache.cocoon.components.pipeline.AbstractProcessingPipeline.process(Abs
tractProcessingPipeline.java:468)
	at
org.apache.cocoon.components.treeprocessor.sitemap.SerializeNode.invoke(Seri
alizeNode.java:120)
	at
org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invo
keNodes(AbstractParentProcessingNode.java:46)
	at
org.apache.cocoon.components.treeprocessor.sitemap.PreparableMatchNode.invok
e(PreparableMatchNode.java:130)
	at
org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invo
keNodes(AbstractParentProcessingNode.java:46)
	at
org.apache.cocoon.components.treeprocessor.sitemap.ActTypeNode.invoke(ActTyp
eNode.java:138)
	at
org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invo
keNodes(AbstractParentProcessingNode.java:68)
	at
org.apache.cocoon.components.treeprocessor.sitemap.PipelineNode.invoke(Pipel
ineNode.java:138)
	at
org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invo
keNodes(AbstractParentProcessingNode.java:68)
	at
org.apache.cocoon.components.treeprocessor.sitemap.PipelinesNode.invoke(Pipe
linesNode.java:89)
	at
org.apache.cocoon.components.treeprocessor.ConcreteTreeProcessor.process(Con
creteTreeProcessor.java:240)
	at
org.apache.cocoon.components.treeprocessor.ConcreteTreeProcessor.process(Con
creteTreeProcessor.java:180)
	at
org.apache.cocoon.components.treeprocessor.TreeProcessor.process(TreeProcess
or.java:243)
	at
org.apache.cocoon.components.treeprocessor.sitemap.MountNode.invoke(MountNod
e.java:117)
	at
org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invo
keNodes(AbstractParentProcessingNode.java:46)
	at
org.apache.cocoon.components.treeprocessor.sitemap.PreparableMatchNode.invok
e(PreparableMatchNode.java:130)
	at
org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invo
keNodes(AbstractParentProcessingNode.java:68)
	at
org.apache.cocoon.components.treeprocessor.sitemap.PipelineNode.invoke(Pipel
ineNode.java:138)
	at
org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invo
keNodes(AbstractParentProcessingNode.java:68)
	at
org.apache.cocoon.components.treeprocessor.sitemap.PipelinesNode.invoke(Pipe
linesNode.java:89)
	at
org.apache.cocoon.components.treeprocessor.ConcreteTreeProcessor.process(Con
creteTreeProcessor.java:240)
	at
org.apache.cocoon.components.treeprocessor.ConcreteTreeProcessor.process(Con
creteTreeProcessor.java:180)
	at
org.apache.cocoon.components.treeprocessor.TreeProcessor.process(TreeProcess
or.java:243)
	at org.apache.cocoon.Cocoon.process(Cocoon.java:606)
	at
org.apache.cocoon.servlet.CocoonServlet.service(CocoonServlet.java:1119)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
	at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Application
FilterChain.java:237)
	at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterCh
ain.java:157)
	at
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.ja
va:214)
	at
org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContex
t.java:104)
	at
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520)
	at
org.apache.catalina.core.StandardContextValve.invokeInternal(StandardContext
Valve.java:198)
	at
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.ja
va:152)
	at
org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContex
t.java:104)
	at
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520)
	at
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:137
)
	at
org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContex
t.java:104)
	at
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:118
)
	at
org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContex
t.java:102)
	at
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520)
	at
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java
:109)
	at
org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContex
t.java:104)
	at
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520)
	at
org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:929)
	at
org.apache.coyote.tomcat5.CoyoteAdapter.service(CoyoteAdapter.java:160)
	at
org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:799)
	at
org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConne
ction(Http11Protocol.java:705)
	at
org.apache.tomcat.util.net.TcpWorkerThread.runIt(PoolTcpEndpoint.java:577)
	at
org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.jav
a:683)
	at java.lang.Thread.run(Unknown Source)
Caused by: net.sf.saxon.xpath.DynamicError: Required type of first operand
of '/' is node(); supplied value has type xs:string
	at
net.sf.saxon.TransformerHandlerImpl.endDocument(TransformerHandlerImpl.java:
123)
	at
org.apache.cocoon.xml.AbstractXMLPipe.endDocument(AbstractXMLPipe.java:55)
	at
org.apache.cocoon.transformation.TraxTransformer.endDocument(TraxTransformer
.java:562)
	at
org.apache.cocoon.sitemap.ContentAggregator.generate(ContentAggregator.java:
134)
	at
org.apache.cocoon.components.pipeline.impl.AbstractCachingProcessingPipeline
.processXMLPipeline(AbstractCachingProcessingPipeline.java:258)
	... 50 more
net.sf.saxon.xpath.DynamicError: Required type of first operand of '/' is
node(); supplied value has type xs:string
	at
net.sf.saxon.TransformerHandlerImpl.endDocument(TransformerHandlerImpl.java:
123)
	at
org.apache.cocoon.xml.AbstractXMLPipe.endDocument(AbstractXMLPipe.java:55)
	at
org.apache.cocoon.transformation.TraxTransformer.endDocument(TraxTransformer
.java:562)
	at
org.apache.cocoon.sitemap.ContentAggregator.generate(ContentAggregator.java:
134)
	at
org.apache.cocoon.components.pipeline.impl.AbstractCachingProcessingPipeline
.processXMLPipeline(AbstractCachingProcessingPipeline.java:258)
	at
org.apache.cocoon.components.pipeline.AbstractProcessingPipeline.process(Abs
tractProcessingPipeline.java:468)
	at
org.apache.cocoon.components.treeprocessor.sitemap.SerializeNode.invoke(Seri
alizeNode.java:120)
	at
org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invo
keNodes(AbstractParentProcessingNode.java:46)
	at
org.apache.cocoon.components.treeprocessor.sitemap.PreparableMatchNode.invok
e(PreparableMatchNode.java:130)
	at
org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invo
keNodes(AbstractParentProcessingNode.java:46)
	at
org.apache.cocoon.components.treeprocessor.sitemap.ActTypeNode.invoke(ActTyp
eNode.java:138)
	at
org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invo
keNodes(AbstractParentProcessingNode.java:68)
	at
org.apache.cocoon.components.treeprocessor.sitemap.PipelineNode.invoke(Pipel
ineNode.java:138)
	at
org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invo
keNodes(AbstractParentProcessingNode.java:68)
	at
org.apache.cocoon.components.treeprocessor.sitemap.PipelinesNode.invoke(Pipe
linesNode.java:89)
	at
org.apache.cocoon.components.treeprocessor.ConcreteTreeProcessor.process(Con
creteTreeProcessor.java:240)
	at
org.apache.cocoon.components.treeprocessor.ConcreteTreeProcessor.process(Con
creteTreeProcessor.java:180)
	at
org.apache.cocoon.components.treeprocessor.TreeProcessor.process(TreeProcess
or.java:243)
	at
org.apache.cocoon.components.treeprocessor.sitemap.MountNode.invoke(MountNod
e.java:117)
	at
org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invo
keNodes(AbstractParentProcessingNode.java:46)
	at
org.apache.cocoon.components.treeprocessor.sitemap.PreparableMatchNode.invok
e(PreparableMatchNode.java:130)
	at
org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invo
keNodes(AbstractParentProcessingNode.java:68)
	at
org.apache.cocoon.components.treeprocessor.sitemap.PipelineNode.invoke(Pipel
ineNode.java:138)
	at
org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invo
keNodes(AbstractParentProcessingNode.java:68)
	at
org.apache.cocoon.components.treeprocessor.sitemap.PipelinesNode.invoke(Pipe
linesNode.java:89)
	at
org.apache.cocoon.components.treeprocessor.ConcreteTreeProcessor.process(Con
creteTreeProcessor.java:240)
	at
org.apache.cocoon.components.treeprocessor.ConcreteTreeProcessor.process(Con
creteTreeProcessor.java:180)
	at
org.apache.cocoon.components.treeprocessor.TreeProcessor.process(TreeProcess
or.java:243)
	at org.apache.cocoon.Cocoon.process(Cocoon.java:606)
	at
org.apache.cocoon.servlet.CocoonServlet.service(CocoonServlet.java:1119)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
	at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Application
FilterChain.java:237)
	at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterCh
ain.java:157)
	at
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.ja
va:214)
	at
org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContex
t.java:104)
	at
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520)
	at
org.apache.catalina.core.StandardContextValve.invokeInternal(StandardContext
Valve.java:198)
	at
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.ja
va:152)
	at
org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContex
t.java:104)
	at
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520)
	at
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:137
)
	at
org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContex
t.java:104)
	at
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:118
)
	at
org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContex
t.java:102)
	at
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520)
	at
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java
:109)
	at
org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContex
t.java:104)
	at
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520)
	at
org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:929)
	at
org.apache.coyote.tomcat5.CoyoteAdapter.service(CoyoteAdapter.java:160)
	at
org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:799)
	at
org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConne
ction(Http11Protocol.java:705)
	at
org.apache.tomcat.util.net.TcpWorkerThread.runIt(PoolTcpEndpoint.java:577)
	at
org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.jav
a:683)
	at java.lang.Thread.run(Unknown Source)


Raffaele Merico
LESS Informatik AG
Böhnirainstrasse 14
CH-8800 Thalwil

Tel: +41 1 723 12 22
Dir: +41 1 723 92 45
Fax: +41 1 723 12 23

mailto:merico@less.ch