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https://issues.apache.org/jira/browse/CAMEL-19415?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Claus Ibsen resolved CAMEL-19415.
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Fix Version/s: 3.14.9
3.18.8
3.20.6
3.21.0
4.0-RC1
4.0
Assignee: Claus Ibsen
Resolution: Fixed
Thanks for reporting. We have added a NPE check
> camel-core: using xtokenize might be NPE on xml default namespace
> -----------------------------------------------------------------
>
> Key: CAMEL-19415
> URL: https://issues.apache.org/jira/browse/CAMEL-19415
> Project: Camel
> Issue Type: Bug
> Components: camel-core
> Affects Versions: 2.25.4
> Environment: java 8
> camel-core 2.25.4
> woodstox-core-asl 4
> woodstox-core 5/6
> Reporter: vincenttang
> Assignee: Claus Ibsen
> Priority: Major
> Fix For: 3.14.9, 3.18.8, 3.20.6, 3.21.0, 4.0-RC1, 4.0
>
> Attachments: error_3_hide.PNG
>
>
> Background:
> camel-core use Woodstox to xtokenize the xml.
> Woodstox has a property on
> WstxInputProperties.P_RETURN_NULL_FOR_DEFAULT_NAMESPACE
> which has different value in different woodstox-core version.
> ---
> Issue:
> When using camel core to xtokenize xml, it will get the XML namespace prefix
> through javax.xml.stream.XMLStreamReader#getNamespacePrefix, which will use
> woodstox-core lib.
> In
> org.apache.camel.support.XMLTokenExpressionIterator.XMLTokenIterator#createContextualToken
> with i mode,
> It will then construct a namespace map and loop it .
> In org.apache.camel.support.XMLTokenExpressionIterator line 404
> sb.append(e.getKey().length() == 0 ? " xmlns" : " xmlns:")
> As the e.getKey() has no null check, it might be null and resulting in NPE
> because of null.length()
> ---
> Suggested Solution:
> Add a null check at org.apache.camel.support.XMLTokenExpressionIterator line
> 404 e.getKey() to avoid NPE
> i.e. sb.append((e.getKey() == null || e.getKey().length() == 0) ? " xmlns" :
> " xmlns:")
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