Re: FOP 25RC: Double Sided Layout

[Stephan Wiesner]

Good morning Jeremias,
one more thing, the transformation with bookmarks and double sided does 
work for some (small) documents, but not for one of my real documents 
(all with more than 50 pages). I have made a zip (1.3 MB) availabel with 
 one such document:
http://digipub.fhnon.de/~swiesner/dokbook.zip

Here is the full error message:
[INFO] [50 (blank)]
[INFO] [51]
[DEBUG] Last page-sequence produced 1 pages.
[INFO] Parsing of document complete, stopping renderer
[ERROR] null
org.apache.fop.apps.FOPException
        at 
org.apache.fop.apps.CommandLineStarter.run(CommandLineStarter.java:74
)
        at org.apache.fop.apps.Fop.main(Fop.java:19)

---------
java.lang.NullPointerException
        at org.apache.fop.extensions.Label.toString(Label.java:44)
        at 
org.apache.fop.render.pdf.PDFRenderer.renderOutline(PDFRenderer.java:
938)
        at 
org.apache.fop.render.pdf.PDFRenderer.renderOutline(PDFRenderer.java:
950)
        at 
org.apache.fop.render.pdf.PDFRenderer.renderRootExtensions(PDFRendere
r.java:917)
        at 
org.apache.fop.render.pdf.PDFRenderer.stopRenderer(PDFRenderer.java:1
71)
        at 
org.apache.fop.apps.StreamRenderer.stopRenderer(StreamRenderer.java:1
52)
        at 
org.apache.fop.fo.FOTreeBuilder.endDocument(FOTreeBuilder.java:200)
        at 
org.apache.xerces.parsers.AbstractSAXParser.endDocument(Unknown Sourc
e)
        at 
org.apache.xerces.impl.XMLDocumentScannerImpl.endEntity(Unknown Sourc
e)
        at org.apache.xerces.impl.XMLEntityManager.endEntity(Unknown 
Source)
        at 
org.apache.xerces.impl.XMLEntityManager$EntityScanner.load(Unknown So
urce)
        at 
org.apache.xerces.impl.XMLEntityManager$EntityScanner.skipSpaces(Unkn
own Source)
        at 
org.apache.xerces.impl.XMLDocumentScannerImpl$TrailingMiscDispatcher.
dispatch(Unknown Source)
        at 
org.apache.xerces.impl.XMLDocumentFragmentScannerImpl.scanDocument(Un
known 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)

---------
java.lang.NullPointerException
        at org.apache.fop.extensions.Label.toString(Label.java:44)
        at 
org.apache.fop.render.pdf.PDFRenderer.renderOutline(PDFRenderer.java:
938)
        at 
org.apache.fop.render.pdf.PDFRenderer.renderOutline(PDFRenderer.java:
950)
        at 
org.apache.fop.render.pdf.PDFRenderer.renderRootExtensions(PDFRendere
r.java:917)
        at 
org.apache.fop.render.pdf.PDFRenderer.stopRenderer(PDFRenderer.java:1
71)
        at 
org.apache.fop.apps.StreamRenderer.stopRenderer(StreamRenderer.java:1
52)
        at 
org.apache.fop.fo.FOTreeBuilder.endDocument(FOTreeBuilder.java:200)
        at 
org.apache.xerces.parsers.AbstractSAXParser.endDocument(Unknown Sourc
e)
        at 
org.apache.xerces.impl.XMLDocumentScannerImpl.endEntity(Unknown Sourc
e)
        at org.apache.xerces.impl.XMLEntityManager.endEntity(Unknown 
Source)
        at 
org.apache.xerces.impl.XMLEntityManager$EntityScanner.load(Unknown So
urce)
        at 
org.apache.xerces.impl.XMLEntityManager$EntityScanner.skipSpaces(Unkn
own Source)
        at 
org.apache.xerces.impl.XMLDocumentScannerImpl$TrailingMiscDispatcher.
dispatch(Unknown Source)
        at 
org.apache.xerces.impl.XMLDocumentFragmentScannerImpl.scanDocument(Un
known 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)

e-novative DocBook: DocBuch.pdf created
C:\diploma\dokumentation\dokbook>


Jeremias Maerki wrote:
Ok, still too little information. Are you sure that FOP and not the XSLT
processor shows the error message? Could you try to enable debugging? I
don't know how FOP is called in your environment. For the FOP command
line this is -d.  When embedded the logger must be set to DEBUG level.
Could you then post the full error message together with the stacktrace
and maybe some XML/XSL files nicely zipped up?
Maybe someone with DocBook experience could check if this problem can be
reproduced?
Jeremias Maerki
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