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PDF printing - missing class

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Shaw, Richard A

PDF printing - missing class

I'm using XSL:FO to do PDF printing on my web site.

When I start Tomcat the site works fine and I can print my PDF documents. However, some time later it stops working with the following error -

Provider org.apache.xalan.processor.TransformerFactoryImpl not found
What I don't understand is if it worked at the beginning why does it stop working later ? I've looked in the lib class and can't see the class that is missing, so I believe the error message, so why did it work ? I did notice that the class exists in an orbean namespace instead.

I will try to deploy the xalan jar file into the lib directory to see if that cures the issue, but I'm worried I might introduce some sort of class version clash if do this.

Any ideas ?

Partial stack trace is given below -
Provider org.apache.xalan.processor.TransformerFactoryImpl not found
Call Stack

Resource URL Line Column Description XML Element
There is no Orbeon Forms call stack available for this error.
Java Exceptions (2 total)

Java Exceptions are the native mechanism by which Orbeon Forms reports errors. More than one exception may be provided below but usually the first exception along with the Orbeon Forms Stack Trace above provide enough information to track down an issue.

Picture (Metafile) javax.xml.transform.TransformerFactoryConfigurationError
Exception Class javax.xml.transform.TransformerFactoryConfigurationError
Message Provider org.apache.xalan.processor.TransformerFactoryImpl not found
Servlet Stack Trace
(251 method calls)      Class Name      Method Name     File Name       Line Number
        javax.xml.transform.TransformerFactory newInstance             N/A
        org.apache.xmlgraphics.xmp.XMPSerializer        writeXML        XMPSerializer.java      73
        org.apache.xmlgraphics.xmp.XMPSerializer        writeXMPPacket XMPSerializer.java      66
        org.apache.fop.pdf.PDFMetadata outputRawStreamData     PDFMetadata.java        94
        org.apache.fop.pdf.AbstractPDFStream    encodeAndWriteStream    AbstractPDFStream.java 151
        org.apache.fop.pdf.AbstractPDFStream    output AbstractPDFStream.java 193
        org.apache.fop.pdf.PDFStream    output PDFStream.java 110
        org.apache.fop.pdf.PDFMetadata output PDFMetadata.java        86
        org.apache.fop.pdf.PDFDocument output PDFDocument.java        831
        org.apache.fop.render.pdf.PDFRenderer   putImage        PDFRenderer.java        1475
        Picture (Metafile) More...
        org.apache.fop.render.pdf.PDFRenderer   renderImage     PDFRenderer.java        1391
        org.apache.fop.render.AbstractRenderer renderViewport AbstractRenderer.java   752
        org.apache.fop.render.AbstractPathOrientedRenderer      renderViewport AbstractPathOrientedRenderer.java       541
        org.apache.fop.render.AbstractRenderer renderInlineArea        AbstractRenderer.java   635
        org.apache.fop.render.AbstractRenderer renderLineArea AbstractRenderer.java   610
        org.apache.fop.render.pdf.PDFRenderer   renderLineArea PDFRenderer.java        1081
        org.apache.fop.render.AbstractRenderer renderBlocks    AbstractRenderer.java   536
        org.apache.fop.render.AbstractRenderer renderBlock     AbstractRenderer.java   586
        org.apache.fop.render.AbstractRenderer renderBlocks    AbstractRenderer.java   526
        org.apache.fop.render.AbstractRenderer renderBlock     AbstractRenderer.java   572
        org.apache.fop.render.AbstractRenderer renderBlocks    AbstractRenderer.java   526
        org.apache.fop.render.AbstractRenderer renderBlock     AbstractRenderer.java   586
        org.apache.fop.render.AbstractRenderer renderBlocks    AbstractRenderer.java   526
        org.apache.fop.render.AbstractRenderer renderFlow      AbstractRenderer.java   431
        org.apache.fop.render.AbstractRenderer renderMainReference     AbstractRenderer.java   410
        org.apache.fop.render.AbstractRenderer renderBodyRegion        AbstractRenderer.java   344
        org.apache.fop.render.AbstractRenderer renderRegionViewport    AbstractRenderer.java   289
        org.apache.fop.render.AbstractRenderer renderPageAreas AbstractRenderer.java   262
        org.apache.fop.render.AbstractRenderer renderPage      AbstractRenderer.java   236
        org.apache.fop.render.pdf.PDFRenderer   renderPage      PDFRenderer.java        713
        org.apache.fop.area.RenderPagesModel    addPage RenderPagesModel.java   120
        org.apache.fop.layoutmgr.PageSequenceLayoutManager      finishPage      PageSequenceLayoutManager.java 786
        org.apache.fop.layoutmgr.PageSequenceLayoutManager      makeNewPage     PageSequenceLayoutManager.java 741
        org.apache.fop.layoutmgr.PageSequenceLayoutManager      handleBreakTrait        PageSequenceLayoutManager.java 837
        org.apache.fop.layoutmgr.PageSequenceLayoutManager      access$300      PageSequenceLayoutManager.java 62
        org.apache.fop.layoutmgr.PageSequenceLayoutManager$PageBreaker getNextBlockList        PageSequenceLayoutManager.java 258
        org.apache.fop.layoutmgr.AbstractBreaker        doLayout        AbstractBreaker.java    301
        org.apache.fop.layoutmgr.AbstractBreaker        doLayout        AbstractBreaker.java    263
        org.apache.fop.layoutmgr.PageSequenceLayoutManager      activateLayout PageSequenceLayoutManager.java 157
        org.apache.fop.area.AreaTreeHandler     endPageSequence AreaTreeHandler.java    385
        org.apache.fop.fo.pagination.PageSequence       endOfNode       PageSequence.java       148
        org.apache.fop.fo.FOTreeBuilder$MainFOHandler   endElement      FOTreeBuilder.java      378
        org.apache.fop.fo.FOTreeBuilder endElement      FOTreeBuilder.java      194
        org.orbeon.oxf.xml.SAXStore     replay SAXStore.java   201
        org.orbeon.oxf.processor.pipeline.TeeProcessor$1        readImpl        TeeProcessor.java       61
        org.orbeon.oxf.processor.ProcessorImpl$7        read    ProcessorImpl.java      1030
        org.orbeon.oxf.processor.ProcessorImpl$ProcessorOutputImpl      read    ProcessorImpl.java      1213
        org.orbeon.oxf.processor.ProcessorImpl

Richard Shaw

¤º°`°º¤ø,¸¸,ø¤º°`°º¤ø¤º°`°º¤ø,¸¸,ø¤º°`°º¤ø¤º°`°º¤ø,¸¸,ø¤

Richard Shaw
Technical Design Authority - Information Solutions Consultancy
Intelligent Transport Systems

Atkins Highways and Transportation
Woodcote Grove, Ashley Road, Epsom, Surrey, KT18 5BW

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Alessandro Vernet

Re: PDF printing - missing class

Administrator

Richard,

Shaw, Richard A wrote

Provider org.apache.xalan.processor.TransformerFactoryImpl not found

Yes, this code shouldn't be looking for org.apache.xalan.processor.TransformerFactoryImpl, since the Xalan we ship is rerooted under "orbeon.apache...". The code in org.apache.xmlgraphics.xmp.XMPSerializer does a SAXTransformerFactory.newInstance(). But it is hard to say why this would work at first, and then fail later without having a reproducible test case. I think we would really need to be able run your application to further debug this one.

Alex