[docbook-apps] Ugly stack trace with admon.graphics and FO

Mon, 25 Apr 2011 15:49:18 -0700 

In my customization file for FO processing, I have this:

<xsl:param name="admon.graphics" select="0"></xsl:param>
<xsl:param name="admon.graphics.path">Graphics/</xsl:param>

If I change the first line to:

<xsl:param name="admon.graphics" select="1"></xsl:param>
I get a horrendously long and ugly stack trace and I don't know why. Help? (xsltproc handles it fine) 

Apr 25, 2011 5:44:02 PM org.apache.fop.fo.FOTreeBuilder fatalError
SEVERE: javax.xml.transform.TransformerException: java.lang.NullPointerException: Parameter alpha must not be null 
Apr 25, 2011 5:44:02 PM org.apache.fop.cli.Main startFOP
SEVERE: Exception
javax.xml.transform.TransformerException: java.lang.NullPointerException: Parameter alpha must not be null at org.apache.fop.cli.InputHandler.transformTo(InputHandler.java:217) 
        at org.apache.fop.cli.InputHandler.renderTo(InputHandler.java:125)
        at org.apache.fop.cli.Main.startFOP(Main.java:166)
        at org.apache.fop.cli.Main.main(Main.java:197)
Caused by: javax.xml.transform.TransformerException: java.lang.NullPointerException: Parameter alpha must not be null at org.apache.xalan.transformer.TransformerImpl.executeChildTemplates(TransformerImpl.java:2416) at org.apache.xalan.templates.ElemLiteralResult.execute(ElemLiteralResult.java:1374) at org.apache.xalan.templates.ElemApplyTemplates.transformSelectedNodes(ElemApplyTemplates.java:393) at org.apache.xalan.templates.ElemApplyTemplates.execute(ElemApplyTemplates.java:176) at org.apache.xalan.templates.ElemApplyTemplates.transformSelectedNodes(ElemApplyTemplates.java:393) at org.apache.xalan.templates.ElemApplyTemplates.execute(ElemApplyTemplates.java:176) at org.apache.xalan.transformer.TransformerImpl.executeChildTemplates(TransformerImpl.java:2411) 
        at org.apache.xalan.templates.ElemIf.execute(ElemIf.java:160)
at org.apache.xalan.transformer.TransformerImpl.executeChildTemplates(TransformerImpl.java:2411) at org.apache.xalan.templates.ElemChoose.execute(ElemChoose.java:139) at org.apache.xalan.transformer.TransformerImpl.executeChildTemplates(TransformerImpl.java:2411) at org.apache.xalan.templates.ElemChoose.execute(ElemChoose.java:139) at org.apache.xalan.transformer.TransformerImpl.executeChildTemplates(TransformerImpl.java:2411) at org.apache.xalan.templates.ElemChoose.execute(ElemChoose.java:139) at org.apache.xalan.transformer.TransformerImpl.executeChildTemplates(TransformerImpl.java:2411) at org.apache.xalan.transformer.TransformerImpl.applyTemplateToNode(TransformerImpl.java:2281) at org.apache.xalan.transformer.TransformerImpl.transformNode(TransformerImpl.java:1367) at org.apache.xalan.transformer.TransformerImpl.transform(TransformerImpl.java:709) at org.apache.xalan.transformer.TransformerImpl.transform(TransformerImpl.java:1284) at org.apache.xalan.transformer.TransformerImpl.transform(TransformerImpl.java:1262) at org.apache.fop.cli.InputHandler.transformTo(InputHandler.java:214) 
        ... 3 more
Caused by: java.lang.NullPointerException: Parameter alpha must not be null
at org.apache.fop.pdf.AlphaRasterImage.<init>(AlphaRasterImage.java:54) at org.apache.fop.pdf.AlphaRasterImage.<init>(AlphaRasterImage.java:68) at org.apache.fop.render.pdf.ImageRenderedAdapter.setup(ImageRenderedAdapter.java:101) 
        at org.apache.fop.pdf.PDFDocument.addImage(PDFDocument.java:823)
at org.apache.fop.render.pdf.PDFImageHandlerRenderedImage.generateImage(PDFImageHandlerRenderedImage.java:58) at org.apache.fop.render.pdf.PDFRenderer.putImage(PDFRenderer.java:1745) at org.apache.fop.render.pdf.PDFRenderer.renderImage(PDFRenderer.java:1679) at org.apache.fop.render.AbstractRenderer.renderViewport(AbstractRenderer.java:743) at org.apache.fop.render.AbstractPathOrientedRenderer.renderViewport(AbstractPathOrientedRenderer.java:621) at org.apache.fop.render.AbstractRenderer.renderInlineArea(AbstractRenderer.java:626) at org.apache.fop.render.pdf.PDFRenderer.renderInlineArea(PDFRenderer.java:1345) at org.apache.fop.render.AbstractRenderer.renderLineArea(AbstractRenderer.java:601) at org.apache.fop.render.pdf.PDFRenderer.renderLineArea(PDFRenderer.java:1336) at org.apache.fop.render.AbstractRenderer.renderBlocks(AbstractRenderer.java:536) at org.apache.fop.render.AbstractRenderer.renderBlock(AbstractRenderer.java:573) at org.apache.fop.render.pdf.PDFRenderer.renderBlock(PDFRenderer.java:1329) at org.apache.fop.render.AbstractRenderer.renderBlocks(AbstractRenderer.java:526) at org.apache.fop.render.AbstractRenderer.renderBlock(AbstractRenderer.java:573) at org.apache.fop.render.pdf.PDFRenderer.renderBlock(PDFRenderer.java:1329) at org.apache.fop.render.AbstractRenderer.renderBlocks(AbstractRenderer.java:526) at org.apache.fop.render.AbstractRenderer.renderBlock(AbstractRenderer.java:573) at org.apache.fop.render.pdf.PDFRenderer.renderBlock(PDFRenderer.java:1329) at org.apache.fop.render.AbstractRenderer.renderBlocks(AbstractRenderer.java:526) at org.apache.fop.render.AbstractRenderer.renderBlock(AbstractRenderer.java:573) at org.apache.fop.render.pdf.PDFRenderer.renderBlock(PDFRenderer.java:1329) at org.apache.fop.render.AbstractRenderer.renderBlocks(AbstractRenderer.java:526) at org.apache.fop.render.AbstractRenderer.renderBlock(AbstractRenderer.java:573) at org.apache.fop.render.pdf.PDFRenderer.renderBlock(PDFRenderer.java:1329) at org.apache.fop.render.AbstractRenderer.renderBlocks(AbstractRenderer.java:526) at org.apache.fop.render.AbstractRenderer.renderBlock(AbstractRenderer.java:573) at org.apache.fop.render.pdf.PDFRenderer.renderBlock(PDFRenderer.java:1329) at org.apache.fop.render.AbstractRenderer.renderBlocks(AbstractRenderer.java:526) at org.apache.fop.render.AbstractRenderer.renderBlock(AbstractRenderer.java:573) at org.apache.fop.render.pdf.PDFRenderer.renderBlock(PDFRenderer.java:1329) at org.apache.fop.render.AbstractRenderer.renderBlocks(AbstractRenderer.java:526) at org.apache.fop.render.AbstractRenderer.renderFlow(AbstractRenderer.java:424) at org.apache.fop.render.AbstractPathOrientedRenderer.renderFlow(AbstractPathOrientedRenderer.java:577) at org.apache.fop.render.AbstractRenderer.renderMainReference(AbstractRenderer.java:403) at org.apache.fop.render.AbstractRenderer.renderBodyRegion(AbstractRenderer.java:337) at org.apache.fop.render.AbstractRenderer.renderRegionViewport(AbstractRenderer.java:282) at org.apache.fop.render.AbstractRenderer.renderPageAreas(AbstractRenderer.java:255) at org.apache.fop.render.AbstractRenderer.renderPage(AbstractRenderer.java:229) at org.apache.fop.render.pdf.PDFRenderer.renderPage(PDFRenderer.java:801) at org.apache.fop.area.RenderPagesModel.addPage(RenderPagesModel.java:113) at org.apache.fop.layoutmgr.AbstractPageSequenceLayoutManager.finishPage(AbstractPageSequenceLayoutManager.java:312) at org.apache.fop.layoutmgr.PageSequenceLayoutManager.finishPage(PageSequenceLayoutManager.java:167) at org.apache.fop.layoutmgr.AbstractPageSequenceLayoutManager.makeNewPage(AbstractPageSequenceLayoutManager.java:284) at org.apache.fop.layoutmgr.PageBreaker.handleBreakTrait(PageBreaker.java:494) at org.apache.fop.layoutmgr.PageBreaker.startPart(PageBreaker.java:398) at org.apache.fop.layoutmgr.AbstractBreaker.addAreas(AbstractBreaker.java:421) at org.apache.fop.layoutmgr.AbstractBreaker.addAreas(AbstractBreaker.java:371) at org.apache.fop.layoutmgr.PageBreaker.doPhase3(PageBreaker.java:262) at org.apache.fop.layoutmgr.AbstractBreaker.doLayout(AbstractBreaker.java:346) at org.apache.fop.layoutmgr.AbstractBreaker.doLayout(AbstractBreaker.java:264) at org.apache.fop.layoutmgr.PageSequenceLayoutManager.activateLayout(PageSequenceLayoutManager.java:106) 

..........
; SystemID: file:/C:/caringo-docbook-sample/docbook/stylesheets-standard/fo/profile-docbook.xsl; Line#: 262; Column#: 54 javax.xml.transform.TransformerException: java.lang.NullPointerException: Parameter alpha must not be null at org.apache.xalan.transformer.TransformerImpl.executeChildTemplates(TransformerImpl.java:2416) at org.apache.xalan.templates.ElemLiteralResult.execute(ElemLiteralResult.java:1374) at org.apache.xalan.templates.ElemApplyTemplates.transformSelectedNodes(ElemApplyTemplates.java:393) at org.apache.xalan.templates.ElemApplyTemplates.execute(ElemApplyTemplates.java:176) at org.apache.xalan.templates.ElemApplyTemplates.transformSelectedNodes(ElemApplyTemplates.java:393) at org.apache.xalan.templates.ElemApplyTemplates.execute(ElemApplyTemplates.java:176) at org.apache.xalan.transformer.TransformerImpl.executeChildTemplates(TransformerImpl.java:2411) 
        at org.apache.xalan.templates.ElemIf.execute(ElemIf.java:160)
at org.apache.xalan.transformer.TransformerImpl.executeChildTemplates(TransformerImpl.java:2411) at org.apache.xalan.templates.ElemChoose.execute(ElemChoose.java:139) at org.apache.xalan.transformer.TransformerImpl.executeChildTemplates(TransformerImpl.java:2411) at org.apache.xalan.templates.ElemChoose.execute(ElemChoose.java:139) at org.apache.xalan.transformer.TransformerImpl.executeChildTemplates(TransformerImpl.java:2411) at org.apache.xalan.templates.ElemChoose.execute(ElemChoose.java:139) at org.apache.xalan.transformer.TransformerImpl.executeChildTemplates(TransformerImpl.java:2411) at org.apache.xalan.transformer.TransformerImpl.applyTemplateToNode(TransformerImpl.java:2281) at org.apache.xalan.transformer.TransformerImpl.transformNode(TransformerImpl.java:1367) at org.apache.xalan.transformer.TransformerImpl.transform(TransformerImpl.java:709) at org.apache.xalan.transformer.TransformerImpl.transform(TransformerImpl.java:1284) at org.apache.xalan.transformer.TransformerImpl.transform(TransformerImpl.java:1262) at org.apache.fop.cli.InputHandler.transformTo(InputHandler.java:214) 
        at org.apache.fop.cli.InputHandler.renderTo(InputHandler.java:125)
        at org.apache.fop.cli.Main.startFOP(Main.java:166)
        at org.apache.fop.cli.Main.main(Main.java:197)
Caused by: java.lang.NullPointerException: Parameter alpha must not be null
at org.apache.fop.pdf.AlphaRasterImage.<init>(AlphaRasterImage.java:54) at org.apache.fop.pdf.AlphaRasterImage.<init>(AlphaRasterImage.java:68) at org.apache.fop.render.pdf.ImageRenderedAdapter.setup(ImageRenderedAdapter.java:101) 
        at org.apache.fop.pdf.PDFDocument.addImage(PDFDocument.java:823)
at org.apache.fop.render.pdf.PDFImageHandlerRenderedImage.generateImage(PDFImageHandlerRenderedImage.java:58) at org.apache.fop.render.pdf.PDFRenderer.putImage(PDFRenderer.java:1745) at org.apache.fop.render.pdf.PDFRenderer.renderImage(PDFRenderer.java:1679) at org.apache.fop.render.AbstractRenderer.renderViewport(AbstractRenderer.java:743) at org.apache.fop.render.AbstractPathOrientedRenderer.renderViewport(AbstractPathOrientedRenderer.java:621) at org.apache.fop.render.AbstractRenderer.renderInlineArea(AbstractRenderer.java:626) at org.apache.fop.render.pdf.PDFRenderer.renderInlineArea(PDFRenderer.java:1345) 

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Steve Johnson, Senior Content Developer
Caringo
[email protected]

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