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http://nagoya.apache.org/bugzilla/show_bug.cgi?id=5953 NullPointerException when rendering PDF Summary: NullPointerException when rendering PDF Product: Fop Version: all Platform: HP OS/Version: HP-UX Status: RESOLVED Severity: Normal Priority: Other Component: pdf renderer AssignedTo: [EMAIL PROTECTED] ReportedBy: [EMAIL PROTECTED] This error happenes sometimes(!) when FOP renders PDF for following HTTP streaming to browser. It's running on the WebLogic Server 6.1. PDF rendering error:::org.apache.fop.app s.FOPException at org.apache.fop.apps.Driver.render(Driver.java, Compiled Code) at org.apache.fop.apps.Driver.run(Driver.java, Compiled Code) at cz.csas.cbl.ci.servlet.service.PDFWriterServlet.renderFO (PDFWriterServlet.java, Compiled Code) at cz.csas.cbl.ci.servlet.service.PDFWriterServlet.doPost (PDFWriterServlet.java, Compiled Code) at javax.servlet.http.HttpServlet.service(HttpServlet.java, Compiled Code) at cz.csas.cbl.ci.servlet.framework.BaseViewServlet.service (BaseViewServlet.java, Compiled Code) at javax.servlet.http.HttpServlet.service(HttpServlet.java, Compiled Code) at weblogic.servlet.internal.ServletStubImpl.invokeServlet (ServletStubImpl.java, Compiled Code) at weblogic.servlet.internal.ServletStubImpl.invokeServlet (ServletStubImpl.java, Compiled Code) at weblogic.servlet.internal.RequestDispatcherImpl.forward (RequestDispatcherImpl.java, Compiled Code) at cz.csas.cbl.ci.servlet.framework.BaseViewControllerServlet.forwardToView (BaseViewControllerServlet.java, Compiled Code) at cz.csas.cbl.ci.servlet.framework.FormControllerServlet.processForm (FormControllerServlet.java, Compiled Code) at cz.csas.cbl.ci.servlet.service.ServiceManagementServlet.processPost (ServiceManagementServlet.java, Compiled Code) at cz.csas.cbl.ci.servlet.framework.BaseViewControllerServlet.process (BaseViewControllerServlet.java, Compiled Code) at cz.csas.cbl.ci.servlet.framework.BaseViewControllerServlet.service (BaseViewControllerServlet.java, Compiled Code) at javax.servlet.http.HttpServlet.service(HttpServlet.java, Compiled Code) at weblogic.servlet.internal.ServletStubImpl.invokeServlet (ServletStubImpl.java, Compiled Code) at weblogic.servlet.internal.ServletStubImpl.invokeServlet (ServletStubImpl.java, Compiled Code) at weblogic.servlet.internal.WebAppServletContext.invokeServlet (WebAppServletContext.java, Compiled Code) at weblogic.servlet.internal.ServletRequestImpl.execute (ServletRequestImpl.java, Compiled Code) at weblogic.kernel.ExecuteThread.execute(ExecuteThread.java, Compiled Code) at weblogic.kernel.ExecuteThread.run(ExecuteThread.java, Compiled Code) --------- java.lang.NullPointerException at org.apache.xerces.framework.XMLParser.parse(XMLParser.java, Compiled Code) at org.apache.fop.apps.Driver.render(Driver.java, Compiled Code) at org.apache.fop.apps.Driver.run(Driver.java, Compiled Code) at cz.csas.cbl.ci.servlet.service.PDFWriterServlet.renderFO (PDFWriterServlet.java, Compiled Code) at cz.csas.cbl.ci.servlet.service.PDFWriterServlet.doPost (PDFWriterServlet.java, Compiled Code) at javax.servlet.http.HttpServlet.service(HttpServlet.java, Compiled Code) at cz.csas.cbl.ci.servlet.framework.BaseViewServlet.service (BaseViewServlet.java, Compiled Code) at javax.servlet.http.HttpServlet.service(HttpServlet.java, Compiled Code) at weblogic.servlet.internal.ServletStubImpl.invokeServlet (ServletStubImpl.java, Compiled Code) at weblogic.servlet.internal.ServletStubImpl.invokeServlet (ServletStubImpl.java, Compiled Code) at weblogic.servlet.internal.RequestDispatcherImpl.forward (RequestDispatcherImpl.java, Compiled Code) at cz.csas.cbl.ci.servlet.framework.BaseViewControllerServlet.forwardToView (BaseViewControllerServlet.java, Compiled Code) at cz.csas.cbl.ci.servlet.framework.FormControllerServlet.processForm (FormControllerServlet.java, Compiled Code) at cz.csas.cbl.ci.servlet.service.ServiceManagementServlet.processPost (ServiceManagementServlet.java, Compiled Code) at cz.csas.cbl.ci.servlet.framework.BaseViewControllerServlet.process (BaseViewControllerServlet.java, Compiled Code) at cz.csas.cbl.ci.servlet.framework.BaseViewControllerServlet.service (BaseViewControllerServlet.java, Compiled Code) at javax.servlet.http.HttpServlet.service(HttpServlet.java, Compiled Code) at weblogic.servlet.internal.ServletStubImpl.invokeServlet (ServletStubImpl.java, Compiled Code) at weblogic.servlet.internal.ServletStubImpl.invokeServlet (ServletStubImpl.java, Compiled Code) at weblogic.servlet.internal.WebAppServletContext.invokeServlet (WebAppServletContext.java, Compiled Code) at weblogic.servlet.internal.ServletRequestImpl.execute (ServletRequestImpl.java, Compiled Code) at weblogic.kernel.ExecuteThread.execute(ExecuteThread.java, Compiled Code) at weblogic.kernel.ExecuteThread.run(ExecuteThread.java, Compiled Code) java.lang.NullPointerException at org.apache.fop.image.GifJpegImage.loadImage(GifJpegImage.java, Compiled Code) at org.apache.fop.image.AbstractFopImage.getBitmaps (AbstractFopImage.java, Compiled Code) at org.apache.fop.pdf.PDFXObject.output(PDFXObject.java, Compiled Code) at org.apache.fop.pdf.PDFDocument.output(PDFDocument.java, Compiled Code) at org.apache.fop.render.pdf.PDFRenderer.render(PDFRenderer.java, Compiled Code) at org.apache.fop.apps.StreamRenderer.queuePage(StreamRenderer.java, Compiled Code) at org.apache.fop.layout.AreaTree.addPage(AreaTree.java, Compiled Code) at org.apache.fop.fo.pagination.PageSequence.format(PageSequence.java, Compiled Code) at org.apache.fop.apps.StreamRenderer.render(StreamRenderer.java, Compiled Code) at org.apache.fop.fo.FOTreeBuilder.endElement(FOTreeBuilder.java, Compiled Code) at org.apache.xerces.parsers.SAXParser.endElement(SAXParser.java, Compiled Code) at org.apache.xerces.validators.common.XMLValidator.callEndElement (XMLValidator.java, Compiled Code) at org.apache.xerces.framework.XMLDocumentScanner$ContentDispatcher.dispatch (XMLDocumentScanner.java, Compiled Code) at org.apache.xerces.framework.XMLDocumentScanner.parseSome (XMLDocumentScanner.java, Compiled Code) at org.apache.xerces.framework.XMLParser.parse(XMLParser.java, Compiled Code) at org.apache.fop.apps.Driver.render(Driver.java, Compiled Code) at org.apache.fop.apps.Driver.run(Driver.java, Compiled Code) at cz.csas.cbl.ci.servlet.service.PDFWriterServlet.renderFO (PDFWriterServlet.java, Compiled Code) at cz.csas.cbl.ci.servlet.service.PDFWriterServlet.doPost (PDFWriterServlet.java, Compiled Code) at javax.servlet.http.HttpServlet.service(HttpServlet.java, Compiled Code) at cz.csas.cbl.ci.servlet.framework.BaseViewServlet.service (BaseViewServlet.java, Compiled Code) at javax.servlet.http.HttpServlet.service(HttpServlet.java, Compiled Code) at weblogic.servlet.internal.ServletStubImpl.invokeServlet (ServletStubImpl.java, Compiled Code) at weblogic.servlet.internal.ServletStubImpl.invokeServlet (ServletStubImpl.java, Compiled Code) at weblogic.servlet.internal.RequestDispatcherImpl.forward (RequestDispatcherImpl.java, Compiled Code) at cz.csas.cbl.ci.servlet.framework.BaseViewControllerServlet.forwardToView (BaseViewControllerServlet.java, Compiled Code) at cz.csas.cbl.ci.servlet.framework.FormControllerServlet.processForm (FormControllerServlet.java, Compiled Code) at cz.csas.cbl.ci.servlet.service.ServiceManagementServlet.processPost (ServiceManagementServlet.java, Compiled Code) at cz.csas.cbl.ci.servlet.framework.BaseViewControllerServlet.process (BaseViewControllerServlet.java, Compiled Code) at cz.csas.cbl.ci.servlet.framework.BaseViewControllerServlet.service (BaseViewControllerServlet.java, Compiled Code) at javax.servlet.http.HttpServlet.service(HttpServlet.java, Compiled Code) at weblogic.servlet.internal.ServletStubImpl.invokeServlet (ServletStubImpl.java, Compiled Code) at weblogic.servlet.internal.ServletStubImpl.invokeServlet (ServletStubImpl.java, Compiled Code) at weblogic.servlet.internal.WebAppServletContext.invokeServlet (WebAppServletContext.java, Compiled Code) at weblogic.servlet.internal.ServletRequestImpl.execute (ServletRequestImpl.java, Compiled Code) at weblogic.kernel.ExecuteThread.execute(ExecuteThread.java, Compiled Code) at weblogic.kernel.ExecuteThread.run(ExecuteThread.java, Compiled Code) ------- Additional Comments From [EMAIL PROTECTED] 2002-05-17 08:08 ------- This could be a multithreading problem as well as bugs in the FO or other sources, or even MT problems caused by the JVM (not directly related to FOP) Without a testcease, it's hard to tell. --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, email: [EMAIL PROTECTED]
