I'm getting a null pointer exception when trying to add a footnote to a
specific aspect of my page. I'm using version 0.94 of FOP. I am including the
stack trace I receive for the exception. I'm also including a skimmed down
version of my fo file. If this does not provide enough context, I can paste in
the whole thing. Thanks for any help.
Sep 27, 2007 1:59:37 PM org.apache.fop.cli.Main startFOP
SEVERE: Exception
java.lang.NullPointerException
at org.apache.fop.cli.InputHandler.transformTo(InputHandler.java:168)
at org.apache.fop.cli.InputHandler.renderTo(InputHandler.java:115)
at org.apache.fop.cli.Main.startFOP(Main.java:166)
at org.apache.fop.cli.Main.main(Main.java:197)
---------
java.lang.NullPointerException at
org.apache.fop.layoutmgr.PageBreakingAlgorithm.handleFootnotes
(PageBreakingAlgorithm.java:248)
at org.apache.fop.layoutmgr.PageBreakingAlgorithm.handleBox
(PageBreakingAlgorithm.java:220)
at org.apache.fop.layoutmgr.BreakingAlgorithm.findBreakingPoints
(BreakingAlgorithm.java:462)
at org.apache.fop.layoutmgr.BreakingAlgorithm.findBreakingPoints
(BreakingAlgorithm.java:403)
at org.apache.fop.layoutmgr.AbstractBreaker.doLayout(AbstractBreaker.java:338)
at
org.apache.fop.layoutmgr.BlockContainerLayoutManager.getNextKnuthElementsAbsolu
te(BlockContainerLayoutManager.java:509)
at org.apache.fop.layoutmgr.BlockContainerLayoutManager.getNextKnuthElements
(BlockContainerLayoutManager.java:195)
at org.apache.fop.layoutmgr.BlockStackingLayoutManager.getNextKnuthElements
(BlockStackingLayoutManager.java:284)
at org.apache.fop.layoutmgr.BlockLayoutManager.getNextKnuthElements
(BlockLayoutManager.java:113)
at org.apache.fop.layoutmgr.FlowLayoutManager.getNextKnuthElements
(FlowLayoutManager.java:106)
at org.apache.fop.layoutmgr.PageBreaker.getNextKnuthElements
(PageBreaker.java:145)
at org.apache.fop.layoutmgr.AbstractBreaker.getNextBlockList
(AbstractBreaker.java:551)
at org.apache.fop.layoutmgr.PageBreaker.getNextBlockList(PageBreaker.java:137)
at org.apache.fop.layoutmgr.AbstractBreaker.doLayout(AbstractBreaker.java:301)
at org.apache.fop.layoutmgr.AbstractBreaker.doLayout(AbstractBreaker.java:263)
at org.apache.fop.layoutmgr.PageSequenceLayoutManager.activateLayout
(PageSequenceLayoutManager.java:144)
at org.apache.fop.area.AreaTreeHandler.endPageSequence
(AreaTreeHandler.java:233)
at org.apache.fop.fo.pagination.PageSequence.endOfNode(PageSequence.java:145)
at org.apache.fop.fo.FOTreeBuilder$MainFOHandler.endElement
(FOTreeBuilder.java:378)
at org.apache.fop.fo.FOTreeBuilder.endElement(FOTreeBuilder.java:194)
at org.apache.xalan.transformer.TransformerIdentityImpl.endElement
(TransformerIdentityImpl.java:1101)
at org.apache.xerces.parsers.AbstractSAXParser.endElement(Unknown Source)
at org.apache.xerces.impl.XMLNSDocumentScannerImpl.scanEndElement(Unknown
Source)
at
org.apache.xerces.impl.XMLDocumentFragmentScannerImpl$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:484)
at org.apache.fop.cli.InputHandler.transformTo(InputHandler.java:165)
at org.apache.fop.cli.InputHandler.renderTo(InputHandler.java:115)
at org.apache.fop.cli.Main.startFOP(Main.java:166)
at org.apache.fop.cli.Main.main(Main.java:197)
<fo:flow flow-name="xsl-region-body" >
<fo:block break-after="page">
<fo:block-container absolute-position="absolute" border-style="solid"
top="0in" left="0in" width="3in" height="2.75in" font-size="10pt">
<fo:block >
<fo:table width="100%" table-layout="fixed">
<fo:table-header>
<fo:table-row background-color="silver">
<fo:table-cell number-columns-spanned="3">
<fo:block>Title of table which should span columns</fo:block>
</fo:table-cell>
</fo:table-row>
<fo:table-row background-color="black" color="white">
cell tags omitted...
</fo:table-row>
</fo:table-header>
<fo:table-body>
<fo:table-row>
cell tags omitted...
</fo:table-row>
</fo:table-body>
</fo:table>
</fo:block>
<fo:block>hello
<!-- exception doesn't occur when below footnote is removed -->
<fo:footnote>
<fo:inline baseline-shift="super" font-size="75%">(1)</fo:inline>
<fo:footnote-body start-indent="0pt" end-indent="0pt" text-indent="0pt"
last-line-end-indent="0pt" text-align="start">
<fo:block background-color="antiquewhite" end-indent="5mm">
<fo:inline baseline-shift="super" font-size="75%">(1)</fo:inline>
This is a footnote text.
</fo:block>
</fo:footnote-body>
</fo:footnote>
</fo:block>
</fo:block-container>
closing tags...
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