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 first thing I would try is upgrading Batik. Batik 1.5.1 does not call GeneralPath.append from getPaintedBounds. So hopefully you might avoid this error. If you still get the error you might try sending the problem SVG.
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. BTW, I can generate some charts as PDF's just fine. But this particular chart always gives the exception, regardless of the data. 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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