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Posted to fop-users@xmlgraphics.apache.org by "gdilem@libero.it" <gd...@libero.it> on 2005/01/27 19:07:57 UTC
PDFRenderer.render exception
hi all
When I parse my fo file I got a strange nullpointer exception.
That's what I get:
using SAX parser org.apache.xerces.parsers.SAXParser
foFileIS:C:\IdeaProjects\ADMIN_CONSOLE\admin_console\pdf\1106849089906.fo
rendering areas to PDF
FATAL ERROR: null
java.lang.NullPointerException
at org.apache.fop.render.pdf.PDFRenderer.render(PDFRenderer.java:100)
at org.apache.fop.apps.Driver.render(Driver.java:471)
at rt11000.printdocument.UtilitiesReport.transformXmlToPdf(UtilitiesReport.java:249)
at rt11000.printdocument.Transformer.producePDF(Transformer.java:71)
at rt11000.printdocument.Transformer.main(Transformer.java:229)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:324)
at com.intellij.rt.execution.application.AppMain.main(AppMain.java:78)
and that's my code: I point u where I get the error.
parser.setFeature( "http://xml.org/sax/features/namespace-prefixes", true ) ;
driver.setRenderer("org.apache.fop.render.pdf.PDFRenderer");
driver.addElementMapping("org.apache.fop.fo.StandardElementMapping");
driver.addElementMapping("org.apache.fop.svg.SVGElementMapping");
driver.addElementMapping("org.apache.fop.extensions.ExtensionElementMapping");
// driver.addElementMapping("org.apache.fop.fo.StandardPropertyListMapping");
//driver.addElementMapping("org.apache.fop.svg.SVGPropertyListMapping");
//driver.addElementMapping("org.apache.fop.extensions.ExtensionPropertyListMapping");
System.out.println("foFileIS:"+foFileIS);
InputSource inputSource=new InputSource(foFile );
driver.setInputSource(inputSource);
driver.setXMLReader(parser);
driver.render(); // HERE IS THE ERROR !!!!!!!!!!!!!!!!!!!!!!
driver.setOutputStream(new FileOutputStream( pdfFile ));
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Re: PDFRenderer.render exception
Posted by Jeremias Maerki <de...@greenmail.ch>.
What version of FOP are you using? FOP 0.20.5 contains to code on line
100 in PDFRenderer.
On 27.01.2005 19:07:57 gdilem\@libero\.it wrote:
> hi all
> When I parse my fo file I got a strange nullpointer exception.
> That's what I get:
> using SAX parser org.apache.xerces.parsers.SAXParser
> foFileIS:C:\IdeaProjects\ADMIN_CONSOLE\admin_console\pdf\1106849089906.fo
> rendering areas to PDF
> FATAL ERROR: null
> java.lang.NullPointerException
> at org.apache.fop.render.pdf.PDFRenderer.render(PDFRenderer.java:100)
> at org.apache.fop.apps.Driver.render(Driver.java:471)
> at rt11000.printdocument.UtilitiesReport.transformXmlToPdf(UtilitiesReport.java:249)
> at rt11000.printdocument.Transformer.producePDF(Transformer.java:71)
> at rt11000.printdocument.Transformer.main(Transformer.java:229)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
> at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> at java.lang.reflect.Method.invoke(Method.java:324)
> at com.intellij.rt.execution.application.AppMain.main(AppMain.java:78)
>
> and that's my code: I point u where I get the error.
>
> parser.setFeature( "http://xml.org/sax/features/namespace-prefixes", true ) ;
> driver.setRenderer("org.apache.fop.render.pdf.PDFRenderer");
Don't do that if you're just using the normal PDFRenderer. Use this
instead:
driver.setRenderer(Driver.RENDER_PDF);
> driver.addElementMapping("org.apache.fop.fo.StandardElementMapping");
> driver.addElementMapping("org.apache.fop.svg.SVGElementMapping");
> driver.addElementMapping("org.apache.fop.extensions.ExtensionElementMapping");
This is also not necessary. In FOP 0.20.5 this is done automatically.
Please refer to the "Embedding FOP" page: http://xml.apache.org/fop/embedding.html
Less is sometimes more. :-)
> // driver.addElementMapping("org.apache.fop.fo.StandardPropertyListMapping");
> //driver.addElementMapping("org.apache.fop.svg.SVGPropertyListMapping");
> //driver.addElementMapping("org.apache.fop.extensions.ExtensionPropertyListMapping");
> System.out.println("foFileIS:"+foFileIS);
> InputSource inputSource=new InputSource(foFile );
> driver.setInputSource(inputSource);
> driver.setXMLReader(parser);
> driver.render(); // HERE IS THE ERROR !!!!!!!!!!!!!!!!!!!!!!
> driver.setOutputStream(new FileOutputStream( pdfFile ));
Jeremias Maerki
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