Bug#808839:

[Mathieu Malaterre]

Correct backtrace:

change nwalsh into docbook-xsl to find:
/usr/share/xml/docbook/stylesheet/docbook-xsl/fo/docbook.xsl

Then:

$ fop -xsl ./jlatexmath-fop/examples/latex.xsl -c
./jlatexmath-fop/examples/conf.xml -xml
./jlatexmath-fop/examples/latex_docbook.xml -pdf /tmp/bla.pdf
[INFO] FopConfParser - Default page-height set to: 11in
[INFO] FopConfParser - Default page-width set to: 8.26in
[WARN] InputHandler - Note: namesp. cut : stripped namespace before
processing           Very simple book with mathematical formulas
[WARN] InputHandler - Making portrait pages on USletter paper (8.5inx11in)
[WARN] FOUserAgent - Font "Symbol,normal,700" not found. Substituting
with "Symbol,normal,400".
[WARN] FOUserAgent - Font "ZapfDingbats,normal,700" not found.
Substituting with "ZapfDingbats,normal,400".
[INFO] FOUserAgent - Rendered page #1.
[WARN] FOUserAgent - Hyphenation pattern not found. URI: en.
[INFO] FOUserAgent - Rendered page #2.
Exception in thread "main" java.lang.NoClassDefFoundError:
org/scilab/forge/jlatexmath/TeXFormula
at org.scilab.forge.jlatexmath.fop.JLaTeXMathElement.calculate(JLaTeXMathElement.java:162)
at org.scilab.forge.jlatexmath.fop.JLaTeXMathElement.getDimension(JLaTeXMathElement.java:100)
at org.apache.fop.fo.flow.InstreamForeignObject.prepareIntrinsicSize(InstreamForeignObject.java:112)
at org.apache.fop.fo.flow.InstreamForeignObject.getIntrinsicWidth(InstreamForeignObject.java:125)
at org.apache.fop.layoutmgr.inline.AbstractGraphicsLayoutManager.getInlineArea(AbstractGraphicsLayoutManager.java:61)
at org.apache.fop.layoutmgr.inline.AbstractGraphicsLayoutManager.getNextKnuthElements(AbstractGraphicsLayoutManager.java:116)
at org.apache.fop.layoutmgr.inline.InlineLayoutManager.getNextKnuthElements(InlineLayoutManager.java:329)
at org.apache.fop.layoutmgr.inline.InlineLayoutManager.getNextKnuthElements(InlineLayoutManager.java:329)
at org.apache.fop.layoutmgr.inline.LineLayoutManager.collectInlineKnuthElements(LineLayoutManager.java:698)
at org.apache.fop.layoutmgr.inline.LineLayoutManager.getNextKnuthElements(LineLayoutManager.java:627)
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: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:251)
at org.apache.fop.layoutmgr.AbstractBreaker.getNextBlockList(AbstractBreaker.java:770)
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:389)
at org.apache.fop.layoutmgr.PageBreaker.doLayout(PageBreaker.java:112)
at org.apache.fop.layoutmgr.PageSequenceLayoutManager.activateLayout(PageSequenceLayoutManager.java:143)
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.xml.serializer.ToXMLSAXHandler.endElement(ToXMLSAXHandler.java:263)
at org.apache.xalan.templates.ElemLiteralResult.execute(ElemLiteralResult.java:1401)
at org.apache.xalan.transformer.TransformerImpl.executeChildTemplates(TransformerImpl.java:2402)
at org.apache.xalan.templates.ElemChoose.execute(ElemChoose.java:128)
at org.apache.xalan.transformer.TransformerImpl.executeChildTemplates(TransformerImpl.java:2402)
at org.apache.xalan.templates.ElemTemplate.execute(ElemTemplate.java:394)
at org.apache.xalan.templates.ElemCallTemplate.execute(ElemCallTemplate.java:248)
at org.apache.xalan.transformer.TransformerImpl.executeChildTemplates(TransformerImpl.java:2402)
at org.apache.xalan.templates.ElemIf.execute(ElemIf.java:162)
at org.apache.xalan.transformer.TransformerImpl.executeChildTemplates(TransformerImpl.java:2402)
at org.apache.xalan.templates.ElemTemplate.execute(ElemTemplate.java:394)
at org.apache.xalan.templates.ElemCallTemplate.execute(ElemCallTemplate.java:248)
at org.apache.xalan.templates.ElemApplyTemplates.transformSelectedNodes(ElemApplyTemplates.java:395)
at org.apache.xalan.templates.ElemApplyTemplates.execute(ElemApplyTemplates.java:178)
at org.apache.xalan.transformer.TransformerImpl.executeChildTemplates(TransformerImpl.java:2402)
at org.apache.xalan.templates.ElemLiteralResult.execute(ElemLiteralResult.java:1376)
at org.apache.xalan.templates.ElemApplyTemplates.transformSelectedNodes(ElemApplyTemplates.java:395)
at org.apache.xalan.templates.ElemApplyTemplates.execute(ElemApplyTemplates.java:178)
at org.apache.xalan.templates.ElemApplyTemplates.transformSelectedNodes(ElemApplyTemplates.java:395)
at org.apache.xalan.templates.ElemApplyTemplates.execute(ElemApplyTemplates.java:178)
at org.apache.xalan.transformer.TransformerImpl.executeChildTemplates(TransformerImpl.java:2402)
at org.apache.xalan.templates.ElemIf.execute(ElemIf.java:162)
at org.apache.xalan.transformer.TransformerImpl.executeChildTemplates(TransformerImpl.java:2402)
at org.apache.xalan.templates.ElemChoose.execute(ElemChoose.java:141)
at org.apache.xalan.transformer.TransformerImpl.executeChildTemplates(TransformerImpl.java:2402)
at org.apache.xalan.templates.ElemChoose.execute(ElemChoose.java:141)
at org.apache.xalan.transformer.TransformerImpl.executeChildTemplates(TransformerImpl.java:2402)
at org.apache.xalan.templates.ElemChoose.execute(ElemChoose.java:141)
at org.apache.xalan.templates.ElemApplyTemplates.transformSelectedNodes(ElemApplyTemplates.java:395)
at org.apache.xalan.templates.ElemApplyTemplates.execute(ElemApplyTemplates.java:178)
at org.apache.xalan.transformer.TransformerImpl.executeChildTemplates(TransformerImpl.java:2402)
at org.apache.xalan.templates.ElemChoose.execute(ElemChoose.java:128)
at org.apache.xalan.transformer.TransformerImpl.executeChildTemplates(TransformerImpl.java:2402)
at org.apache.xalan.transformer.TransformerImpl.applyTemplateToNode(TransformerImpl.java:2272)
at org.apache.xalan.transformer.TransformerImpl.transformNode(TransformerImpl.java:1358)
at org.apache.xalan.transformer.TransformerImpl.transform(TransformerImpl.java:711)
at org.apache.xalan.transformer.TransformerImpl.transform(TransformerImpl.java:1275)
at org.apache.xalan.transformer.TransformerImpl.transform(TransformerImpl.java:1253)
at org.apache.fop.cli.InputHandler.transformTo(InputHandler.java:293)
at org.apache.fop.cli.InputHandler.renderTo(InputHandler.java:116)
at org.apache.fop.cli.Main.startFOP(Main.java:186)
at org.apache.fop.cli.Main.main(Main.java:217)
Caused by: java.lang.ClassNotFoundException:
org.scilab.forge.jlatexmath.TeXFormula
at java.base/jdk.internal.loader.BuiltinClassLoader.loadClass(BuiltinClassLoader.java:583)
at java.base/jdk.internal.loader.ClassLoaders$AppClassLoader.loadClass(ClassLoaders.java:178)
at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:521)