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[jira] [Created] (FOP-2518) NullPointerException

[JIRA]

Björn Kautler created FOP-2518:
--

 Summary: NullPointerException
 Key: FOP-2518
 URL: https://issues.apache.org/jira/browse/FOP-2518
 Project: FOP
  Issue Type: Bug
Affects Versions: 2.0
Reporter: Björn Kautler
Priority: Blocker


FOP throws the following NPE when trying to transform a DocBook document to PDF:

{noformat}
Caused by: java.lang.NullPointerException
at 
org.apache.fop.layoutmgr.list.ListItemLayoutManager.getCombinedKnuthElementsForListItem(ListItemLayoutManager.java:405)
at 
org.apache.fop.layoutmgr.list.ListItemLayoutManager.getNextKnuthElements(ListItemLayoutManager.java:326)
at 
org.apache.fop.layoutmgr.BlockStackingLayoutManager.getNextKnuthElements(BlockStackingLayoutManager.java:239)
at 
org.apache.fop.layoutmgr.BlockStackingLayoutManager.getNextChildElements(BlockStackingLayoutManager.java:498)
at 
org.apache.fop.layoutmgr.BlockStackingLayoutManager.getNextKnuthElements(BlockStackingLayoutManager.java:289)
at 
org.apache.fop.layoutmgr.list.ListBlockLayoutManager.getNextKnuthElements(ListBlockLayoutManager.java:103)
at 
org.apache.fop.layoutmgr.BlockStackingLayoutManager.getNextKnuthElements(BlockStackingLayoutManager.java:239)
at 
org.apache.fop.layoutmgr.BlockLayoutManager.getNextChildElements(BlockLayoutManager.java:141)
at 
org.apache.fop.layoutmgr.BlockStackingLayoutManager.getNextKnuthElements(BlockStackingLayoutManager.java:289)
at 
org.apache.fop.layoutmgr.BlockLayoutManager.getNextKnuthElements(BlockLayoutManager.java:113)
at 
org.apache.fop.layoutmgr.BlockLayoutManager.getNextKnuthElements(BlockLayoutManager.java:105)
at 
org.apache.fop.layoutmgr.BlockLayoutManager.getNextChildElements(BlockLayoutManager.java:141)
at 
org.apache.fop.layoutmgr.BlockStackingLayoutManager.getNextKnuthElements(BlockStackingLayoutManager.java:289)
at 
org.apache.fop.layoutmgr.BlockLayoutManager.getNextKnuthElements(BlockLayoutManager.java:113)
at 
org.apache.fop.layoutmgr.BlockLayoutManager.getNextKnuthElements(BlockLayoutManager.java:105)
at 
org.apache.fop.layoutmgr.FlowLayoutManager.getNextChildElements(FlowLayoutManager.java:223)
at 
org.apache.fop.layoutmgr.FlowLayoutManager.addChildElements(FlowLayoutManager.java:147)
at 
org.apache.fop.layoutmgr.FlowLayoutManager.getNextKnuthElements(FlowLayoutManager.java:116)
at 
org.apache.fop.layoutmgr.FlowLayoutManager.getNextKnuthElements(FlowLayoutManager.java:69)
at 
org.apache.fop.layoutmgr.PageBreaker.getNextKnuthElements(PageBreaker.java:252)
at 
org.apache.fop.layoutmgr.AbstractBreaker.getNextBlockList(AbstractBreaker.java:643)
at 
org.apache.fop.layoutmgr.PageBreaker.getNextBlockList(PageBreaker.java:178)
at 
org.apache.fop.layoutmgr.PageBreaker.getNextBlockList(PageBreaker.java:158)
at 
org.apache.fop.layoutmgr.AbstractBreaker.doLayout(AbstractBreaker.java:384)
at org.apache.fop.layoutmgr.PageBreaker.doLayout(PageBreaker.java:112)
at 
org.apache.fop.layoutmgr.PageSequenceLayoutManager.activateLayout(PageSequenceLayoutManager.java:138)
at 
org.apache.fop.area.AreaTreeHandler.endPageSequence(AreaTreeHandler.java:267)
at 
org.apache.fop.fo.pagination.PageSequence.endOfNode(PageSequence.java:130)
at 
org.apache.fop.fo.FOTreeBuilder$MainFOHandler.endElement(FOTreeBuilder.java:360)
at org.apache.fop.fo.FOTreeBuilder.endElement(FOTreeBuilder.java:190)
at 
org.apache.xalan.transformer.TransformerIdentityImpl.endElement(TransformerIdentityImpl.java:1102)
at org.apache.xerces.parsers.AbstractSAXParser.endElement(Unknown 
Source)
at 
org.apache.xerces.impl.XMLNSDocumentScannerImpl.scanEndElement(Unknown Source)
at 
org.apache.xerces.impl.XMLDocumentFragmentScannerImpl$FragmentContentDispatcher.dispatch(Unknown
 Source)
at 
org.apache.xerces.impl.XMLDocumentFragmentScannerImpl.scanDocument(Unknown 
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.xalan.transformer.TransformerIdentityImpl.transform(TransformerIdentityImpl.java:485)
at 
org.apache.xalan.transformer.TransformerIdentityImpl$transform.call(Unknown 
Source)
{noformat}



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[jira] [Commented] (FOP-2517) keep-together.within-page="auto" is not work,but the "always" is work.

[Pascal Sancho (JIRA)]

[ 
https://issues.apache.org/jira/browse/FOP-2517?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14709002#comment-14709002
 ] 

Pascal Sancho commented on FOP-2517:


If you want some help, you have to provide usable example and explicit test 
case.
Without such material, FOP team can just infer the issue in a way that can be 
wrong.

Please, attach FO file, PDF files you get with, and describe precisely what you 
expect.

> keep-together.within-page="auto" is not work,but the "always" is work.
> --
>
> Key: FOP-2517
> URL: https://issues.apache.org/jira/browse/FOP-2517
> Project: FOP
>  Issue Type: Wish
>Reporter: zhangcui
>
> i am use Transformer to convert xml to pdf,the src is
> FopFactory fF = FopFactory.newInstance();
>   fF.setUserConfig(..);
>   fF.getFontManager().setFontBaseURL(..);
>   FOUserAgent foUserAgent = fopFactory.newFOUserAgent();
>   Fop fop = fopFactory.newFop(MimeConstants.MIME_PDF, 
> foUserAgent,out);
>   Result result = new SAXResult(fop.getDefaultHandler());
>   TransformerFactory tFactory = 
> TransformerFactory.newInstance();
>   Transformer transformer = tFactory.newTransformer(new 
> StreamSource(xslReader));
>   transformer.setParameter("tt", paramPath);
>   transformer.transform(xmlSource, result);
> the xsl is
> 
>
>   
>   
> 
> but it's not work.but if i change it to always,it work.
> why?



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