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Posted to general@xmlgraphics.apache.org by "Simon Steiner (Jira)" <ji...@apache.org> on 2022/06/23 10:38:00 UTC
[jira] [Resolved] (XGC-130) NullPointerException in org.apache.xmlgraphics.xmp.XMPHandler.endElement
[ https://issues.apache.org/jira/browse/XGC-130?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Simon Steiner resolved XGC-130.
-------------------------------
Resolution: Duplicate
> 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
> Priority: Major
> 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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