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From "Klemens Dickbauer (JIRA)" <j...@apache.org>
Subject [jira] [Created] (TIKA-2919) NullPointerException when parsing PDF with OCR and ToXMLContentHandler
Date Fri, 02 Aug 2019 11:39:00 GMT
Klemens Dickbauer created TIKA-2919:
---------------------------------------

             Summary: NullPointerException when parsing PDF with OCR and ToXMLContentHandler
                 Key: TIKA-2919
                 URL: https://issues.apache.org/jira/browse/TIKA-2919
             Project: Tika
          Issue Type: Bug
          Components: ocr
    Affects Versions: 1.21
            Reporter: Klemens Dickbauer


When parsing a pdf document the handler creates a structure (and fires appropriate SAX exents)
that each page is wrapped into two <div> elements. The outer one of these has no parent
element, so when the subsequent endElement method is called for "html", a NPE occurs when
currentElement.parent is referenced:
{code:java}
java class ToXMLContentHandler:

public void endElement(String uri, String localName, String qName) throws SAXException {
    if (this.inStartElement) {
        this.write(" />");
        this.inStartElement = false;
    } else {
        this.write("</");
        this.write(qName);
        this.write('>');
    }

    this.namespaces.clear();
    this.currentElement = this.currentElement.parent;
}
{code}



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