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  1. FOP
  2. FOP-2461

NullPointerException in ListItemLayoutManager since Temp_BasicSideFloat Merge

    Details

    • Type: Bug
    • Status: Resolved
    • Priority: Major
    • Resolution: Fixed
    • Affects Version/s: trunk
    • Fix Version/s: 2.1
    • Component/s: layout/unqualified
    • Labels:
      None

      Description

      The attached fo test cases causes a NullPointerException inside ListItemLayoutManager. This is the stack trace:

      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.table.TableCellLayoutManager.getNextKnuthElements(TableCellLayoutManager.java:191)
      at org.apache.fop.layoutmgr.table.RowGroupLayoutManager.createElementsForRowGroup(RowGroupLayoutManager.java:120)
      at org.apache.fop.layoutmgr.table.RowGroupLayoutManager.getNextKnuthElements(RowGroupLayoutManager.java:63)
      at org.apache.fop.layoutmgr.table.TableContentLayoutManager.getKnuthElementsForRowIterator(TableContentLayoutManager.java:270)
      at org.apache.fop.layoutmgr.table.TableContentLayoutManager.getNextKnuthElements(TableContentLayoutManager.java:212)
      at org.apache.fop.layoutmgr.table.TableLayoutManager.getNextKnuthElements(TableLayoutManager.java:273)
      at org.apache.fop.layoutmgr.FlowLayoutManager.getNextChildElements(FlowLayoutManager.java:223)
      at org.apache.fop.layoutmgr.FlowLayoutManager.addChildElements(FlowLayoutManager.java:148)
      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:135)
      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$MainFOHandler.endElement(FOTreeBuilder.java:360)
      at org.apache.fop.fo.FOTreeBuilder.endElement(FOTreeBuilder.java:190)
      at org.apache.xalan.transformer.TransformerIdentityImpl.endElement(TransformerIdentityImpl.java:1101)
      at org.apache.xerces.parsers.AbstractSAXParser.endElement(Unknown Source)
      at org.apache.xerces.xinclude.XIncludeHandler.endElement(Unknown Source)
      at org.apache.xerces.impl.XMLNSDocumentScannerImpl.scanEndElement(Unknown Source)
      at org.apache.xerces.impl.XMLDocumentFragmentScannerImpl$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.xerces.jaxp.SAXParserImpl$JAXPSAXParser.parse(Unknown Source)
      at org.apache.xalan.transformer.TransformerIdentityImpl.transform(TransformerIdentityImpl.java:484)
      at org.apache.fop.cli.InputHandler.transformTo(InputHandler.java:285)
      at org.apache.fop.cli.InputHandler.renderTo(InputHandler.java:115)
      at org.apache.fop.cli.Main.startFOP(Main.java:186)
      at org.apache.fop.cli.Main.main(Main.java:217)

        Attachments

        1. listNPE.patch
          9 kB
          Thanasis Giannimaras
        2. fop-2461-test-case.xml
          1 kB
          Matthias Reischenbacher

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              People

              • Assignee:
                Unassigned
                Reporter:
                matthias8283 Matthias Reischenbacher
              • Votes:
                4 Vote for this issue
                Watchers:
                9 Start watching this issue

                Dates

                • Created:
                  Updated:
                  Resolved: