Gregor Müller created XGC-130:
---------------------------------
Summary: NullPointerException in
org.apache.xmlgraphics.xmp.XMPHandler.endElement
Key: XGC-130
URL: https://issues.apache.org/jira/browse/XGC-130
Project: XMLGraphicsCommons
Issue Type: Bug
Components: xmp
Affects Versions: 2.7
Reporter: Gregor Müller
Attachments: zugferd.fo
Hi there,
when using XMP metadata for formatting objects I get a null pointer from the
org.apache.xmlgraphics.xmp.XMPHandler class.
I also opened a ticket in fop (https://issues.apache.org/jira/browse/FOP-3076)
But it seems the bug is happening in XMPHandler. Attached the formatting
objects file with the XMP metadata.
Would be really nice if you could have a look at it.
Thank you,
Gregor
I am running the command:
fop -r -fo zugferd.fo -pdf zugferd.pdf
{{Juni 10, 2022 7:09:35 PM org.apache.fop.cli.Main startFOP}}
{{SEVERE: Exception}}
{{org.apache.fop.apps.FOPException: java.lang.NullPointerException}}
{{java.lang.NullPointerException}}
{{ at
org.apache.fop.cli.InputHandler.transformTo(InputHandler.java:296)}}
{{ at org.apache.fop.cli.InputHandler.renderTo(InputHandler.java:116)}}
{{ at org.apache.fop.cli.Main.startFOP(Main.java:183)}}
{{ at org.apache.fop.cli.Main.main(Main.java:214)}}
{{Caused by: java.lang.NullPointerException}}
{{ at
org.apache.xmlgraphics.xmp.XMPHandler.endElement(XMPHandler.java:291)}}
{{ at org.apache.fop.fo.FOTreeBuilder$3.run(FOTreeBuilder.java:207)}}
{{ at org.apache.fop.fo.FOTreeBuilder$3.run(FOTreeBuilder.java:204)}}
{{ at
java.base/java.security.AccessController.doPrivileged(AccessController.java:312)}}
{{ at
org.apache.fop.fo.FOTreeBuilder.endElement(FOTreeBuilder.java:203)}}
{{ at
org.apache.xalan.transformer.TransformerIdentityImpl.endElement(TransformerIdentityImpl.java:1102)}}
{{ at org.apache.xerces.parsers.AbstractSAXParser.endElement(Unknown
Source)}}
{{ at org.apache.xerces.xinclude.XIncludeHandler.endElement(Unknown
Source)}}
{{ at
org.apache.xerces.impl.XMLNSDocumentScannerImpl.scanEndElement(Unknown Source)}}
{{ at
org.apache.xerces.impl.XMLDocumentFragmentScannerImpl$FragmentContentDispatcher.dispatch(Unknown
Source)}}
{{ at
org.apache.xerces.impl.XMLDocumentFragmentScannerImpl.scanDocument(Unknown
Source)}}
{{ at org.apache.xerces.parsers.XML11Configuration.parse(Unknown
Source)}}
{{ at org.apache.xerces.parsers.XML11Configuration.parse(Unknown
Source)}}
{{ at org.apache.xerces.parsers.XMLParser.parse(Unknown Source)}}
{{ at org.apache.xerces.parsers.AbstractSAXParser.parse(Unknown Source)}}
{{ at org.apache.xerces.jaxp.SAXParserImpl$JAXPSAXParser.parse(Unknown
Source)}}
{{ at
org.apache.xalan.transformer.TransformerIdentityImpl.transform(TransformerIdentityImpl.java:485)}}
{{ at
org.apache.fop.cli.InputHandler.transformTo(InputHandler.java:293)}}
{{ ... 3 more}}
The bug might also be caused in org.apache.xmlgraphics.xmp.XMPHandler
The line before the null pointer stated
{{assert getCurrentProperties() != null : "no current property";}}
{{The FO File is also attached to this report.}}
{{<?xml version="1.0" encoding="utf-8"?>}}
{{<fo:root xmlns:fo="http://www.w3.org/1999/XSL/Format";>}}
{{<fo:layout-master-set>}}
{{<fo:simple-page-master master-name="master-first-page" page-width="210mm"
page-height="297mm" margin-top="0mm"}}
{{margin-bottom="0mm" margin-left="0mm" margin-right="0mm">}}
{{<fo:region-body margin-top="90mm" margin-bottom="25mm" margin-left="15mm"
margin-right="15mm"/>}}
{{</fo:simple-page-master>}}
{{</fo:layout-master-set>}}
{{<x:xmpmeta xmlns:x="adobe:ns:meta/">}}
{{<rdf:RDF xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#";>}}
{{<rdf:Description
xmlns:pdfaExtension="http://www.aiim.org/pdfa/ns/extension/"}}
{{xmlns:pdfaSchema="http://www.aiim.org/pdfa/ns/schema#"}}
{{xmlns:pdfaProperty="http://www.aiim.org/pdfa/ns/property#"; rdf:about="">}}
{{<pdfaExtension:schemas>}}
{{<rdf:Bag>}}
{{<rdf:li rdf:parseType="Resource">}}
{{<pdfaSchema:schema>Factur-X PDFA Extension Schema</pdfaSchema:schema>}}
{{<pdfaSchema:namespaceURI>urn:factur-x:pdfa:CrossIndustryDocument:invoice:1p0#}}
{{</pdfaSchema:namespaceURI>}}
{{<pdfaSchema:prefix>fx</pdfaSchema:prefix>}}
{{<pdfaSchema:property>}}
{{<rdf:Seq>}}
{{<rdf:li rdf:parseType="Resource">}}
{{<pdfaProperty:name>DocumentFileName</pdfaProperty:name>}}
{{<pdfaProperty:valueType>Text</pdfaProperty:valueType>}}
{{<pdfaProperty:category>external</pdfaProperty:category>}}
{{<pdfaProperty:description>name of the embedded XML invoice file}}
{{</pdfaProperty:description>}}
{{</rdf:li>}}
{{<rdf:li rdf:parseType="Resource">}}
{{<pdfaProperty:name>DocumentType</pdfaProperty:name>}}
{{<pdfaProperty:valueType>Text</pdfaProperty:valueType>}}
{{<pdfaProperty:category>external</pdfaProperty:category>}}
{{<pdfaProperty:description>INVOICE</pdfaProperty:description>}}
{{</rdf:li>}}
{{<rdf:li rdf:parseType="Resource">}}
{{<pdfaProperty:name>Version</pdfaProperty:name>}}
{{<pdfaProperty:valueType>Text</pdfaProperty:valueType>}}
{{<pdfaProperty:category>external</pdfaProperty:category>}}
{{<pdfaProperty:description>The actual version of the Factur-X XML schema}}
{{</pdfaProperty:description>}}
{{</rdf:li>}}
{{<rdf:li rdf:parseType="Resource">}}
{{<pdfaProperty:name>ConformanceLevel</pdfaProperty:name>}}
{{<pdfaProperty:valueType>Text</pdfaProperty:valueType>}}
{{<pdfaProperty:category>external</pdfaProperty:category>}}
{{<pdfaProperty:description>The conformance level of the embedded Factur-X
data}}
{{</pdfaProperty:description>}}
{{</rdf:li>}}
{{</rdf:Seq>}}
{{</pdfaSchema:property>}}
{{</rdf:li>}}
{{</rdf:Bag>}}
{{</pdfaExtension:schemas>}}
{{</rdf:Description>}}
{{<rdf:Description
xmlns:fx="urn:factur-x:pdfa:CrossIndustryDocument:invoice:1p0#" rdf:about=""}}
{{fx:ConformanceLevel="EN 16931" fx:DocumentFileName="factur-x.xml"
fx:DocumentType="INVOICE"}}
{{fx:Version="1.0"/>}}
{{</rdf:RDF>}}
{{</x:xmpmeta>}}
{{<fo:page-sequence master-reference="master-first-page">}}
{{<fo:flow flow-name="xsl-region-body">}}
{{<fo:block color="#313131">Hello ZUGFeRD</fo:block>}}
{{</fo:flow>}}
{{</fo:page-sequence>}}
{{</fo:root>}}
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