I am using a combination of fop/batik to generated PDF's from SVG (XML) in a
Tomcat 5/IBM Java 1.4/SuSE Linux 8 for AMD64
environment. Batik uses awt calls which is why I am also using PJA as the IBM
JDK 1.4 on SuSE does not support
the -Djava.awt.headless=true option.
I am using the pja-2.5beta and getting the following exception in some cases.
Any ideas on how to fix this? The NPE does not
reference a PJA class from what I can tell, so I am not sure it is a PJA
problem or a Batik/FOP problem. Here's the exception:
[INFO] Using org.apache.xerces.parsers.SAXParser as SAX2 Parser
[INFO] building formatting object tree
[INFO] setting up fonts
[INFO] [1]
[ERROR] svg graphic could not be rendered: null
java.lang.NullPointerException
at java.awt.geom.GeneralPath.append(GeneralPath.java(Compiled Code))
at java.awt.geom.GeneralPath.append(GeneralPath.java:309)
at
org.apache.batik.gvt.CompositeShapePainter.getPaintedBounds2D(CompositeShapePainter.java:151)
at
org.apache.batik.gvt.ShapeNode.getPrimitiveBounds(ShapeNode.java(Compiled Code))
at
org.apache.batik.gvt.AbstractGraphicsNode.getTransformedPrimitiveBounds(AbstractGraphicsNode.java:834)
at
org.apache.batik.gvt.AbstractGraphicsNode.getTransformedBounds(AbstractGraphicsNode.java:800)
at
org.apache.batik.gvt.CompositeGraphicsNode.getTransformedPrimitiveBounds(CompositeGraphicsNode.java:205)
at
org.apache.batik.gvt.AbstractGraphicsNode.getTransformedBounds(AbstractGraphicsNode.java:800)
at
org.apache.batik.gvt.CompositeGraphicsNode.getTransformedPrimitiveBounds(CompositeGraphicsNode.java:210)
at
org.apache.batik.gvt.AbstractGraphicsNode.getTransformedBounds(AbstractGraphicsNode.java:800)
at
org.apache.batik.gvt.CompositeGraphicsNode.getPrimitiveBounds(CompositeGraphicsNode.java:162)
at
org.apache.batik.gvt.AbstractGraphicsNode.getBounds(AbstractGraphicsNode.java(Compiled
Code))
at
org.apache.batik.gvt.AbstractGraphicsNode.paint(AbstractGraphicsNode.java:471)
at
org.apache.fop.render.pdf.PDFRenderer.renderSVGDocument(PDFRenderer.java:647)
at
org.apache.fop.render.pdf.PDFRenderer.renderSVGArea(PDFRenderer.java:549)
at org.apache.fop.svg.SVGArea.render(SVGArea.java:98)
at
org.apache.fop.render.pdf.PDFRenderer.renderForeignObjectArea(PDFRenderer.java:533)
at
org.apache.fop.layout.inline.ForeignObjectArea.render(ForeignObjectArea.java:89)
at
org.apache.fop.render.AbstractRenderer.renderLineArea(AbstractRenderer.java:516)
at org.apache.fop.layout.LineArea.render(LineArea.java:519)
at
org.apache.fop.render.AbstractRenderer.renderBlockArea(AbstractRenderer.java:485)
at org.apache.fop.layout.BlockArea.render(BlockArea.java:117)
at
org.apache.fop.render.AbstractRenderer.renderAreaContainer(AbstractRenderer.java:451)
at org.apache.fop.layout.ColumnArea.render(ColumnArea.java:71)
at
org.apache.fop.render.AbstractRenderer.renderSpanArea(AbstractRenderer.java:100)
at org.apache.fop.layout.SpanArea.render(SpanArea.java:94)
at
org.apache.fop.render.AbstractRenderer.renderBodyAreaContainer(AbstractRenderer.java:368)
at
org.apache.fop.layout.BodyAreaContainer.render(BodyAreaContainer.java:137)
at
org.apache.fop.render.AbstractRenderer.renderRegions(AbstractRenderer.java:529)
at
org.apache.fop.render.pdf.PDFRenderer.renderPage(PDFRenderer.java:904)
at org.apache.fop.render.pdf.PDFRenderer.render(PDFRenderer.java:880)
at org.apache.fop.apps.StreamRenderer.queuePage(StreamRenderer.java:302)
at org.apache.fop.layout.AreaTree.addPage(AreaTree.java:108)
at
org.apache.fop.fo.pagination.PageSequence.makePage(PageSequence.java:415)
at
org.apache.fop.fo.pagination.PageSequence.format(PageSequence.java:338)
at org.apache.fop.apps.StreamRenderer.render(StreamRenderer.java:262)
at
org.apache.fop.fo.FOTreeBuilder.endElement(FOTreeBuilder.java(Compiled Code))
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.DTDConfiguration.parse(Unknown Source)
at org.apache.xerces.parsers.DTDConfiguration.parse(Unknown Source)
at org.apache.xerces.parsers.XMLParser.parse(Unknown Source)
at org.apache.xerces.parsers.AbstractSAXParser.parse(Unknown Source)
at org.apache.fop.apps.Driver.render(Driver.java:498)
at org.apache.fop.apps.Driver.run(Driver.java:565)
at com.ltoj.webapp.action.SVG2PDFServlet.doGet(SVG2PDFServlet.java:109)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:743)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:856)
at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:284)
at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:204)
at
com.ltoj.webapp.filter.BreadCrumbFilter.doFilter(BreadCrumbFilter.java:94)
at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:233)
at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:204)
at
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:257)
at
org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:151)
at
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:567)
at
org.apache.catalina.core.StandardContextValve.invokeInternal(StandardContextValve.java:245)
at
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:199)
at
org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:151)
at
org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:509)
at
org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:149)
at
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:567)
at
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:184)
at
org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:151)
at
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:164)
at
org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:149)
at
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:567)
at
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:156)
at
org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:151)
at
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:567)
at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:972)
at
org.apache.coyote.tomcat5.CoyoteAdapter.service(CoyoteAdapter.java:206)
at
org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:833)
at
org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection(Http11Protocol.java:732)
at
org.apache.tomcat.util.net.TcpWorkerThread.runIt(PoolTcpEndpoint.java:619)
at
org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:688)
at java.lang.Thread.run(Thread.java:568)
[DEBUG] Last page-sequence produced 1 pages.
[INFO] Parsing of document complete, stopping renderer
[DEBUG] Initial heap size: 123026Kb
[DEBUG] Current heap size: 134839Kb
[DEBUG] Total memory used: 11812Kb
[DEBUG] Memory use is indicative; no GC was performed
[DEBUG] These figures should not be used comparatively
[DEBUG] Total time used: 1521ms
[DEBUG] Pages rendered: 1
[DEBUG] Avg render time: 1521ms/page
Thanks - Richard
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