RE: Problems With FOP in Linux

Check to make sure you don't have earlier versions of any of the jars
(avalon, xerces, etc) in your classpath. I got burned on this one -- I had
the latest jars, but I *also* had the earlier avalon jar that was bundled
with fop, and that was being found first & choking.

> -----Original Message-----
> From: [email protected]
> [mailto:[email protected]]On Behalf Of Steve
> Baker
> Sent: Friday, March 05, 2004 5:54 AM
> To: [email protected]
> Subject: Problems With FOP in Linux
>
>
> I've been struggling with the installation of version 1.0beta in a Linux
> environment, using fop 0.20.5rc2 for the last couple of days.
>
> I've copied the following files to the Fop /build directory:
> krysalis-barcode-fop-ext-0.20.5.jar
> krysalis-barcode.jar
>
> I've copied the following files to the Fop /lib directory:
> avalon-framework-4.1.4.jar
> commons-cli-1.0.jar
> jdom.jar
> saxon-6.5.3.jar
> servlet-2.2.jar
> xalan-2.4.1.jar
> xercesImpl-2.2.1.jar
> xml-apis.jar
>
> I've moved the old avalon file out of the Fop /lib directory:
> avalon-framework-cvs-20020806.jar
>
> I've added the new files to the classpath in fop.sh, so that it is now set
> to:
> ./lib/xml-apis.jar:
> ./lib/xercesImpl-2.2.1.jar:
> ./lib/xalan-2.4.1.jar:
> ./lib/servlet-2.2.jar:
> ./lib/saxon-6.5.3.jar:
> ./lib/jdom.jar:
> ./lib/commons-cli-1.0.jar:
> ./lib/batik.jar:
> ./lib/avalon-framework-4.1.4.jar:
> ./build/fop.jar:
> ./build/krysalis-barcode-fop-ext-0.20.5.jar:
> ./build/krysalis-barcode.jar:
>
> However, when I try to run the example fop script, I get the following
> output:
> [INFO] Using org.apache.xerces.parsers.SAXParser as SAX2 Parser
> [INFO] FOP 0.20.5rc2
> [INFO] Using org.apache.xerces.parsers.SAXParser as SAX2 Parser
> [INFO] building formatting object tree
> [INFO] setting up fonts
> Exception in thread "main" java.lang.AbstractMethodError
>         at
> org.apache.fop.fo.FOTreeBuilder.startElement(FOTreeBuilder.java:255)
>         at
> org.apache.xerces.parsers.AbstractSAXParser.startElement(Unknown
> Source)
>         at
> org.apache.xerces.impl.XMLNSDocumentScannerImpl.scanStartElement(Unknown
> Source)
>         at
> org.apache.xerces.impl.XMLDocumentFragmentScannerImpl$FragmentCont
entDispatc
> her.dispatch(Unknown Source)
>         at
> org.apache.xerces.impl.XMLDocumentFragmentScannerImpl.scanDocument(Unknown
> Source)
>         at
> org.apache.xerces.parsers.DTDConfiguration.parse(Unknown Source)
>         at
> org.apache.xerces.parsers.DTDConfiguration.parse(Unknown Source)
>         at org.apache.xerces.parsers.XMLParser.parse(Unknown Source)
>         at
> org.apache.xerces.parsers.AbstractSAXParser.parse(Unknown Source)
>         at org.apache.fop.apps.Driver.render(Driver.java:457)
>         at
> org.apache.fop.apps.CommandLineStarter.run(CommandLineStarter.java:69)
>         at org.apache.fop.apps.Fop.main(Fop.java:19)
>
>
> I also modified one of my own XSL documents to include the example Fop
> snippet:
> <fo:block>
>   <fo:instream-foreign-object>
>     <barcode:barcode xmlns:barcode="http://www.krysalis.org/barcode/ns"
>           msg="my message">
>       <barcode:code39>
>         <barcode:height>8mm</barcode:height>
>       </barcode:code39>
>     </barcode:barcode>
>   </fo:instream-foreign-object>
> </fo:block>
>
> But this also fails:
> # ./fop.sh -xml ./invoice.xml -xsl ./inv_stylesheet.xsl ./invoice.pdf
>
> [INFO] Using org.apache.xerces.parsers.SAXParser as SAX2 Parser
> [INFO] FOP 0.20.5rc2
> [INFO] Using org.apache.xerces.parsers.SAXParser as SAX2 Parser
> [INFO] building formatting object tree
> [INFO] setting up fonts
> Exception in thread "main" java.lang.AbstractMethodError
>         at
> org.apache.fop.fo.FOTreeBuilder.startElement(FOTreeBuilder.java:255)
>         at
> org.apache.xalan.transformer.ResultTreeHandler.flushElem(ResultTre
eHandler.j
> ava:856)
>         at
> org.apache.xalan.transformer.ResultTreeHandler.flushPending(Result
TreeHandle
> r.java:931)
>         at
> org.apache.xalan.transformer.ResultTreeHandler.endElement(ResultTr
eeHandler.
> java:306)
>         at
> org.apache.xalan.templates.ElemLiteralResult.execute(ElemLiteralRe
sult.java:
> 684)
>         at
> org.apache.xalan.transformer.TransformerImpl.executeChildTemplates
> (Transform
> erImpl.java:2182)
>         at
> org.apache.xalan.transformer.TransformerImpl.applyTemplateToNode(T
ransformer
> Impl.java:2008)
>         at
> org.apache.xalan.transformer.TransformerImpl.transformNode(Transfo
rmerImpl.j
> ava:1171)
>         at
> org.apache.xalan.transformer.TransformerImpl.run(TransformerImpl.j
ava:3135)
>         at
> org.apache.xalan.transformer.TransformerHandlerImpl.endDocument(Tr
ansformerH
> andlerImpl.java:433)
>         at org.apache.xerces.parsers.AbstractSAXParser.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.XMLEntityManager$EntityScanner.load(Unknown Source)
>         at
> org.apache.xerces.impl.XMLEntityManager$EntityScanner.skipSpaces(Unknown
> Source)
>         at
> org.apache.xerces.impl.XMLDocumentScannerImpl$TrailingMiscDispatch
er.dispatc
> h(Unknown Source)
>         at
> org.apache.xerces.impl.XMLDocumentFragmentScannerImpl.scanDocument(Unknown
> Source)
>         at
> org.apache.xerces.parsers.DTDConfiguration.parse(Unknown Source)
>         at
> org.apache.xerces.parsers.DTDConfiguration.parse(Unknown Source)
>         at org.apache.xerces.parsers.XMLParser.parse(Unknown Source)
>         at
> org.apache.xerces.parsers.AbstractSAXParser.parse(Unknown Source)
>         at
> org.apache.xalan.transformer.TrAXFilter.parse(TrAXFilter.java:134)
>         at org.apache.fop.apps.Driver.render(Driver.java:457)
>         at
> org.apache.fop.apps.CommandLineStarter.run(CommandLineStarter.java:69)
>         at org.apache.fop.apps.Fop.main(Fop.java:19)
>
> If I remove the snippet, the transformation works again.
>
>
> Any pointers or suggestions would be MUCH appreciated.
>
> Best regards,
> Steve
>
>
>
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