Re: Error message for xslt

Mansour Al Akeel <[email protected]>
Newsgroups gmane.text.xml.cocoon.user
Message-ID <CAFvvX=bAk0-8ezN_EGa9xNQ8o9Tfyi5JN_ec57ne3Oz5Z8xw6g@mail.gmail.com> 
Robby, this was not my question.
My question was, how do I know the source of the error in the XSLT file.
In my xslt I have a lot of param, but that is not an issue. Some
variables inside the xsl are generate from the parsed documents, and
those can be a source of error. Having a descriptive error message,
will help solve issues quickly.

I hope this clarifies the question.


On Thu, Dec 13, 2012 at 11:33 AM, Robby Pelssers <[email protected]> wrote:
> Well.
>
> You can easily check if that XSLT uses parameters... right?
>
> And at some point you invoke that transform from the sitemap:
>
> <map:transform src="someXSLT.xslt"/>  <!-- this one does not set parameters-->
>
> <map:transform src="someXSLT.xslt">
>   <map:parameter name="param1" value="TEST"/>
>   <map:parameter name="param2" value="{2}"/>
> </map:transform>
>
> Just check whether you set the parameters correct in your sitemap... and you should be able to tell if the values which you set don't have a null value.
>
> Robby
>
> -----Original Message-----
> From: Mansour Al Akeel [mailto:[email protected]]
> Sent: Thursday, December 13, 2012 5:27 PM
> To: [email protected]
> Subject: Re: Error message for xslt
>
> I will check again, however for the future, how can I tell if a parameter is missing or not set in the XSLT ??
>
>
> On Thu, Dec 13, 2012 at 10:59 AM, Robby Pelssers <[email protected]> wrote:
>> Caused by: java.lang.NullPointerException
>>
>> Are you setting all parameters used by the XSLT?  Can you verify you do?
>>
>> Robby
>>
>> -----Original Message-----
>> From: Mansour Al Akeel [mailto:[email protected]]
>> Sent: Thursday, December 13, 2012 4:57 PM
>> To: users
>> Subject: Error message for xslt
>>
>> I am doing transformation with XSLT and C2.2. When there's something wrong with the XSL, I get the following message:
>>
>> javax.servlet.ServletException: org.apache.cocoon.ProcessingException:
>> Failed to process pipeline
>>         at <map:serialize type="xml"> -
>> file:///C:/workspace/transformation-pipes/pipelines/contents-filesystem/./src/main/resources/COB-INF/sitemap.xmap:37:33
>>         at <map:transform type="saxon"> -
>> file:///C:/workspace/transformation-pipes/pipelines/contents-filesystem/./src/main/resources/COB-INF/sitemap.xmap:31:72
>>         at <map:generate type="validator"> -
>> file:///C:/workspace/transformation-pipes/pipelines/contents-filesystem/./src/main/resources/COB-INF/sitemap.xmap:29:89
>>         at <map:match> -
>> file:///C:/workspace/transformation-pipes/pipelines/contents-filesystem/./src/main/resources/COB-INF/sitemap.xmap:27:68
>>         at org.apache.cocoon.servlet.RequestProcessor.service(RequestProcessor.java:230)
>>         at org.apache.cocoon.sitemap.SitemapServlet.service(SitemapServlet.java:84)
>>         at javax.servlet.http.HttpServlet.service(HttpServlet.java:820)
>>         at
>> org.apache.cocoon.servletservice.ServletServiceContext$PathDispatcher.
>> forward(ServletServiceContext.java:468)
>> .................
>>         at org.mortbay.io.nio.SelectChannelEndPoint.run(SelectChannelEndPoint.java:395)
>>         at
>> org.mortbay.thread.BoundedThreadPool$PoolThread.run(BoundedThreadPool.
>> java:450) Caused by: org.apache.cocoon.ProcessingException: Failed to
>> process pipeline
>>         at <map:serialize type="xml"> -
>> file:///C:/workspace/transformation-pipes/pipelines/contents-filesystem/./src/main/resources/COB-INF/sitemap.xmap:37:33
>>         at <map:transform type="saxon"> -
>> file:///C:/workspace/transformation-pipes/pipelines/contents-filesystem/./src/main/resources/COB-INF/sitemap.xmap:31:72
>>         at <map:generate type="validator"> -
>> file:///C:/workspace/transformation-pipes/pipelines/contents-filesystem/./src/main/resources/COB-INF/sitemap.xmap:29:89
>>         at <map:match> -
>> file:///C:/workspace/transformation-pipes/pipelines/contents-filesystem/./src/main/resources/COB-INF/sitemap.xmap:27:68
>>         at
>> org.apache.cocoon.ProcessingException.throwLocated(ProcessingException
>> .java:143)
>>
>> ....................
>>
>>         at org.apache.cocoon.servlet.RequestProcessor.service(RequestProcessor.java:169)
>>         ... 38 more
>> Caused by: java.lang.NullPointerException
>>         at org.apache.cocoon.transformation.TraxTransformer.endDocument(TraxTransformer.java:566)
>>         at org.apache.xerces.parsers.AbstractSAXParser.endDocument(Unknown Source)
>>         at org.apache.xerces.impl.dtd.XMLDTDValidator.endDocument(Unknown Source)
>>         at org.apache.xerces.impl.XMLDocumentScannerImpl.endEntity(Unknown Source)
>>         at org.apache.xerces.impl.XMLEntityManager.endEntity(Unknown Source)
>>         at org.apache.xerces.impl.XMLEntityScanner.load(Unknown Source)
>>         at org.apache.xerces.impl.XMLEntityScanner.skipSpaces(Unknown Source)
>>         at
>> org.apache.xerces.impl.XMLDocumentScannerImpl$TrailingMiscDispatcher.d
>> ispatch(Unknown
>> Source)
>>         at
>> org.apache.xerces.impl.XMLDocumentFragmentScannerImpl.scanDocument(Unk
>> nown
>> Source)
>>         at org.apache.xerces.parsers.XML11Configuration.parse(Unknown Source)
>>         at org.apache.xerces.parsers.XML11Configuration.parse(Unknown Source)
>>         at org.apache.xerces.parsers.XMLParser.parse(Unknown Source)
>>         at org.apache.xerces.parsers.AbstractSAXParser.parse(Unknown Source)
>>         at org.apache.xerces.jaxp.SAXParserImpl$JAXPSAXParser.parse(Unknown Source)
>>         at org.apache.cocoon.core.xml.impl.JaxpSAXParser.parse(JaxpSAXParser.java:196)
>>         at org.apache.cocoon.core.xml.impl.JaxpSAXParser.parse(JaxpSAXParser.java:204)
>>         at org.apache.cocoon.components.source.util.SourceUtil.parse(SourceUtil.java:297)
>>         at org.apache.cocoon.generation.FileGenerator.generate(FileGenerator.java:136)
>>         at ca.cpha.repo.pipelines.sax.MonographGenerator.generate(MonographGenerator.java:27)
>>         at sun.reflect.GeneratedMethodAccessor55.invoke(Unknown Source)
>>         at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
>>         at java.lang.reflect.Method.invoke(Method.java:597)
>>         at org.apache.cocoon.core.container.spring.avalon.PoolableProxyHandler.invoke(PoolableProxyHandler.java:71)
>>         at $Proxy25.generate(Unknown Source)
>>         at org.apache.cocoon.components.pipeline.impl.AbstractCachingProcessingPipeline.processXMLPipeline(AbstractCachingProcessingPipeline.java:360)
>>         ... 56 more
>>
>>
>> Nothing tells me anything about the error message from the XSLT. Is there a way to know what is going on ??
>>
>> Thank you.
>>
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