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https://issues.apache.org/jira/browse/CXF-9007?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17845165#comment-17845165
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Andriy Redko commented on CXF-9007:
-----------------------------------
[~maghol] I have submitted a potential fix but I cannot reproduce the problem
myself, any chances you could share the test case(s) that are failing for you
sporadically? Thank you.
> NullPointerException in XMLStreamDataWriter.writeNode
> -----------------------------------------------------
>
> Key: CXF-9007
> URL: https://issues.apache.org/jira/browse/CXF-9007
> Project: CXF
> Issue Type: Bug
> Affects Versions: 4.0.3, 4.0.4
> Reporter: Magnus Holm
> Assignee: Andriy Redko
> Priority: Major
> Attachments: dispatch-impl-npe.txt, interceptor-npe.txt,
> invoke-async-npe.txt, invoke-sync-npe.txt
>
>
> We're encountering sporadic weird {{NullPointerException}} in various of our
> tests using different client configurations with wsdls. It seems to only
> occur right after initialising the client, e.g. only on the first call. I
> suspect it's some kind of race-condition, but I've not been able to create a
> reproducer. I was hoping maybe someone from the project would have insight
> into why this could be happening by looking at the stacktraces.
> The error we're hitting appears to be here:
> {code}
> java.lang.NullPointerException: Cannot invoke
> "org.w3c.dom.Node.getOwnerDocument()" because "nd" is null
> at
> org.apache.cxf.databinding.source.XMLStreamDataWriter.writeNode(XMLStreamDataWriter.java:160)
> ~[cxf-core-4.0.4.jar:4.0.4]
> at
> org.apache.cxf.databinding.source.XMLStreamDataWriter.write(XMLStreamDataWriter.java:101)
> ~[cxf-core-4.0.4.jar:4.0.4]
> at
> org.apache.cxf.databinding.source.XMLStreamDataWriter.write(XMLStreamDataWriter.java:67)
> ~[cxf-core-4.0.4.jar:4.0.4]
> at
> org.apache.cxf.databinding.source.XMLStreamDataWriter.write(XMLStreamDataWriter.java:55)
> ~[cxf-core-4.0.4.jar:4.0.4]
> {code}
> Update: we're using cxf-rt-transports-http-hc5.
> We've had this issue on 4.0.3 and 4.0.4. We might've had it on previous
> versions as well, but I don't have build history going back that far.
> JDK versions: Corretto 17 (17.0.8-amzn), Zulu 17 (17.0.10-zulu) ++
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