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https://issues.apache.org/jira/browse/TIKA-760?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13133880#comment-13133880
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Pablo Queixalos commented on TIKA-760:
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Concerning the HSLFExtractor, this is already fixed in trunk. getAuthor() is
checked before calling xhtml.characters( comment.getAuthor() );
> NPE XHTMLContentHandler in characters Method
> --------------------------------------------
>
> Key: TIKA-760
> URL: https://issues.apache.org/jira/browse/TIKA-760
> Project: Tika
> Issue Type: Bug
> Components: parser
> Affects Versions: 0.10
> Environment: JDK 1.6, Linux
> Reporter: Torsten Krah
>
> The method:
> public void characters(String characters) throws SAXException {
> characters(characters.toCharArray(), 0, characters.length());
> }
> does not check for null values.
> On many code references a check is done "before" calling this methd. However
> on other sides, e.g. HSLFExtractor some values are not checked:
> xhtml.characters( comment.getAuthor() );
> which may be null.
> The simplest fix would be to check for null on the handler and if it is null
> handle it as NOOP or insert the new UTF-8 "replacement char" to let the user
> decide.
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