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https://issues.apache.org/jira/browse/JENA-2193?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17439239#comment-17439239
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Martynas Jusevičius commented on JENA-2193:
-------------------------------------------

Shouldn't
{code:xml}
<nbc:isPartOf nbc:source="ggc" nbc:type="serie" nbc:identifier="PPN:352103043">
    <nbc:title>Foeksia de miniheks</nbc:title>
</nbc:isPartOf>
{code}
be
{code:xml}
<nbc:isPartOf nbc:source="ggc" nbc:type="serie" nbc:identifier="PPN:352103043">
    <rdf:Description>
        <nbc:title>Foeksia de miniheks</nbc:title>
    </rdf:Description>
</nbc:isPartOf>
{code}

> XMLHandler#endElement can throw NPE
> -----------------------------------
>
>                 Key: JENA-2193
>                 URL: https://issues.apache.org/jira/browse/JENA-2193
>             Project: Apache Jena
>          Issue Type: Improvement
>            Reporter: Henry Kuijpers
>            Priority: Major
>         Attachments: screenshot-1.png
>
>
> In our case:
> {code:java}
> package org.apache.jena.rdfxml.xmlinput.impl;
> public class XMLHandler extends ... {
>     public void endElement(String uri, String localName, String rawName) 
> throws SAXException {
>         this.frame.endElement();
>         this.frame = this.frame.getParent();
>         this.frame.afterChild();
>     }
> }
> {code}
> The result of getParent was null, which triggered a NullPointerException. 
> However, maybe the issue is one of the upper layers (I'm not too familiar 
> with all the internals of JENA/RDF and I also don't see any nullability 
> annotations)?



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