2019-02-18 16:16:21,782 ERROR AreaTreeModel:126 - Error while rendering page 1 java.lang.NullPointerException at org.apache.fop.apps.io.InternalResourceResolver.getResource(InternalResourceResolver.java:75) at org.apache.fop.apps.FOUserAgent.resolveURI(FOUserAgent.java:413) at org.apache.fop.apps.FOUserAgent$1.resolveURI(FOUserAgent.java:162) at org.apache.xmlgraphics.image.loader.impl.AbstractImageSessionContext.newSource(AbstractImageSessionContext.java:93) at org.apache.xmlgraphics.image.loader.impl.AbstractImageSessionContext.needSource(AbstractImageSessionContext.java:196) at org.apache.xmlgraphics.image.loader.impl.imageio.ImageLoaderImageIO.loadImage(ImageLoaderImageIO.java:116) at org.apache.xmlgraphics.image.loader.pipeline.ImageProviderPipeline.execute(ImageProviderPipeline.java:153) at org.apache.xmlgraphics.image.loader.pipeline.ImageProviderPipeline.execute(ImageProviderPipeline.java:98) at org.apache.xmlgraphics.image.loader.ImageManager.getImage(ImageManager.java:269) at org.apache.fop.render.intermediate.AbstractIFPainter.drawImageUsingImageHandler(AbstractIFPainter.java:159) at org.apache.fop.render.intermediate.AbstractIFPainter.drawImageUsingDocument(AbstractIFPainter.java:319) at org.apache.fop.render.pdf.PDFPainter.drawImage(PDFPainter.java:289) at org.apache.fop.render.intermediate.IFRenderer.renderForeignObject(IFRenderer.java:1312) at org.apache.fop.render.AbstractRenderer.renderInlineViewport(AbstractRenderer.java:864) at org.apache.fop.render.AbstractPathOrientedRenderer.renderInlineViewport(AbstractPathOrientedRenderer.java:831) at org.apache.fop.render.intermediate.IFRenderer.renderInlineViewport(IFRenderer.java:862) at org.apache.fop.render.AbstractRenderer.renderInlineArea(AbstractRenderer.java:717) at org.apache.fop.render.intermediate.IFRenderer.renderInlineArea(IFRenderer.java:926) at org.apache.fop.render.AbstractRenderer.renderLineArea(AbstractRenderer.java:692) at org.apache.fop.render.AbstractRenderer.renderBlocks(AbstractRenderer.java:573) at org.apache.fop.render.AbstractRenderer.renderBlock(AbstractRenderer.java:615) at org.apache.fop.render.intermediate.IFRenderer.renderBlock(IFRenderer.java:998) at org.apache.fop.render.AbstractRenderer.renderBlocks(AbstractRenderer.java:558) at org.apache.fop.render.AbstractRenderer.renderFlow(AbstractRenderer.java:459) at org.apache.fop.render.AbstractPathOrientedRenderer.renderFlow(AbstractPathOrientedRenderer.java:784) at org.apache.fop.render.AbstractRenderer.renderMainReference(AbstractRenderer.java:436) at org.apache.fop.render.AbstractRenderer.renderBodyRegion(AbstractRenderer.java:360) at org.apache.fop.render.AbstractRenderer.renderRegionViewport(AbstractRenderer.java:307) at org.apache.fop.render.intermediate.IFRenderer.renderRegionViewport(IFRenderer.java:737) at org.apache.fop.render.AbstractRenderer.renderPageAreas(AbstractRenderer.java:272) at org.apache.fop.render.AbstractRenderer.renderPage(AbstractRenderer.java:245) at org.apache.fop.render.intermediate.IFRenderer.renderPage(IFRenderer.java:587) at org.apache.fop.area.RenderPagesModel.addPage(RenderPagesModel.java:123) at org.apache.fop.layoutmgr.AbstractPageSequenceLayoutManager.finishPage(AbstractPageSequenceLayoutManager.java:316) at org.apache.fop.layoutmgr.PageSequenceLayoutManager.finishPage(PageSequenceLayoutManager.java:243) at org.apache.fop.layoutmgr.PageSequenceLayoutManager.activateLayout(PageSequenceLayoutManager.java:147) 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 java.xml/com.sun.org.apache.xml.internal.serializer.ToXMLSAXHandler.endElement(ToXMLSAXHandler.java:263) at java.xml/com.sun.org.apache.xml.internal.serializer.ToXMLSAXHandler.endElement(ToXMLSAXHandler.java:557) at java.xml/com.sun.org.apache.xalan.internal.xsltc.trax.DOM2TO.parse(DOM2TO.java:233) at java.xml/com.sun.org.apache.xalan.internal.xsltc.trax.DOM2TO.parse(DOM2TO.java:228) at java.xml/com.sun.org.apache.xalan.internal.xsltc.trax.DOM2TO.parse(DOM2TO.java:134) at java.xml/com.sun.org.apache.xalan.internal.xsltc.trax.DOM2TO.parse(DOM2TO.java:96) at java.xml/com.sun.org.apache.xalan.internal.xsltc.trax.TransformerImpl.transformIdentity(TransformerImpl.java:712) at java.xml/com.sun.org.apache.xalan.internal.xsltc.trax.TransformerImpl.transform(TransformerImpl.java:774) at java.xml/com.sun.org.apache.xalan.internal.xsltc.trax.TransformerImpl.transform(TransformerImpl.java:370) at assyst.data.structures.pdf.PdfPersistence.convertFO2PDF(PdfPersistence.java:415) at assyst.data.structures.pdf.PdfPersistence.write(PdfPersistence.java:300) at assyst.data.structures.pdf.PdfPersistence.write(PdfPersistence.java:179) at assyst.data.structures.pdf.PdfPersistence.write(PdfPersistence.java:174) at test.assyst2pdf.assyst2pdfM(assyst2pdf.java:114) at test.assyst2pdf.main(assyst2pdf.java:173) ERROR: '' failed to read object assyst.AssystRuntimeException: javax.xml.transform.TransformerException: java.lang.NullPointerException at assyst.data.structures.pdf.PdfPersistence.convertFO2PDF(PdfPersistence.java:419) at assyst.data.structures.pdf.PdfPersistence.write(PdfPersistence.java:300) at assyst.data.structures.pdf.PdfPersistence.write(PdfPersistence.java:179) at assyst.data.structures.pdf.PdfPersistence.write(PdfPersistence.java:174) at test.assyst2pdf.assyst2pdfM(assyst2pdf.java:114) at test.assyst2pdf.main(assyst2pdf.java:173) Caused by: javax.xml.transform.TransformerException: java.lang.NullPointerException at java.xml/com.sun.org.apache.xalan.internal.xsltc.trax.TransformerImpl.transform(TransformerImpl.java:783) at java.xml/com.sun.org.apache.xalan.internal.xsltc.trax.TransformerImpl.transform(TransformerImpl.java:370) at assyst.data.structures.pdf.PdfPersistence.convertFO2PDF(PdfPersistence.java:415) ... 5 more Caused by: java.lang.NullPointerException at org.apache.fop.apps.io.InternalResourceResolver.getResource(InternalResourceResolver.java:75) at org.apache.fop.apps.FOUserAgent.resolveURI(FOUserAgent.java:413) at org.apache.fop.apps.FOUserAgent$1.resolveURI(FOUserAgent.java:162) at org.apache.xmlgraphics.image.loader.impl.AbstractImageSessionContext.newSource(AbstractImageSessionContext.java:93) at org.apache.xmlgraphics.image.loader.impl.AbstractImageSessionContext.needSource(AbstractImageSessionContext.java:196) at org.apache.xmlgraphics.image.loader.impl.imageio.ImageLoaderImageIO.loadImage(ImageLoaderImageIO.java:116) at org.apache.xmlgraphics.image.loader.pipeline.ImageProviderPipeline.execute(ImageProviderPipeline.java:153) at org.apache.xmlgraphics.image.loader.pipeline.ImageProviderPipeline.execute(ImageProviderPipeline.java:98) at org.apache.xmlgraphics.image.loader.ImageManager.getImage(ImageManager.java:269) at org.apache.fop.render.intermediate.AbstractIFPainter.drawImageUsingImageHandler(AbstractIFPainter.java:159) at org.apache.fop.render.intermediate.AbstractIFPainter.drawImageUsingDocument(AbstractIFPainter.java:319) at org.apache.fop.render.pdf.PDFPainter.drawImage(PDFPainter.java:289) at org.apache.fop.render.intermediate.IFRenderer.renderForeignObject(IFRenderer.java:1312) at org.apache.fop.render.AbstractRenderer.renderInlineViewport(AbstractRenderer.java:864) at org.apache.fop.render.AbstractPathOrientedRenderer.renderInlineViewport(AbstractPathOrientedRenderer.java:831) at org.apache.fop.render.intermediate.IFRenderer.renderInlineViewport(IFRenderer.java:862) at org.apache.fop.render.AbstractRenderer.renderInlineArea(AbstractRenderer.java:717) at org.apache.fop.render.intermediate.IFRenderer.renderInlineArea(IFRenderer.java:926) at org.apache.fop.render.AbstractRenderer.renderLineArea(AbstractRenderer.java:692) at org.apache.fop.render.AbstractRenderer.renderBlocks(AbstractRenderer.java:573) at org.apache.fop.render.AbstractRenderer.renderBlock(AbstractRenderer.java:615) at org.apache.fop.render.intermediate.IFRenderer.renderBlock(IFRenderer.java:998) at org.apache.fop.render.AbstractRenderer.renderBlocks(AbstractRenderer.java:558) at org.apache.fop.render.AbstractRenderer.renderFlow(AbstractRenderer.java:459) at org.apache.fop.render.AbstractPathOrientedRenderer.renderFlow(AbstractPathOrientedRenderer.java:784) at org.apache.fop.render.AbstractRenderer.renderMainReference(AbstractRenderer.java:436) at org.apache.fop.render.AbstractRenderer.renderBodyRegion(AbstractRenderer.java:360) at org.apache.fop.render.AbstractRenderer.renderRegionViewport(AbstractRenderer.java:307) at org.apache.fop.render.intermediate.IFRenderer.renderRegionViewport(IFRenderer.java:737) at org.apache.fop.render.AbstractRenderer.renderPageAreas(AbstractRenderer.java:272) at org.apache.fop.render.AbstractRenderer.renderPage(AbstractRenderer.java:245) at org.apache.fop.render.intermediate.IFRenderer.renderPage(IFRenderer.java:587) at org.apache.fop.area.RenderPagesModel.addPage(RenderPagesModel.java:123) at org.apache.fop.layoutmgr.AbstractPageSequenceLayoutManager.finishPage(AbstractPageSequenceLayoutManager.java:316) at org.apache.fop.layoutmgr.PageSequenceLayoutManager.finishPage(PageSequenceLayoutManager.java:243) at org.apache.fop.layoutmgr.PageSequenceLayoutManager.activateLayout(PageSequenceLayoutManager.java:147) 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 java.xml/com.sun.org.apache.xml.internal.serializer.ToXMLSAXHandler.endElement(ToXMLSAXHandler.java:263) at java.xml/com.sun.org.apache.xml.internal.serializer.ToXMLSAXHandler.endElement(ToXMLSAXHandler.java:557) at java.xml/com.sun.org.apache.xalan.internal.xsltc.trax.DOM2TO.parse(DOM2TO.java:233) at java.xml/com.sun.org.apache.xalan.internal.xsltc.trax.DOM2TO.parse(DOM2TO.java:228) at java.xml/com.sun.org.apache.xalan.internal.xsltc.trax.DOM2TO.parse(DOM2TO.java:134) at java.xml/com.sun.org.apache.xalan.internal.xsltc.trax.DOM2TO.parse(DOM2TO.java:96) at java.xml/com.sun.org.apache.xalan.internal.xsltc.trax.TransformerImpl.transformIdentity(TransformerImpl.java:712) at java.xml/com.sun.org.apache.xalan.internal.xsltc.trax.TransformerImpl.transform(TransformerImpl.java:774) ... 7 more