[jira] [Commented] (CXF-9007) NullPointerException in XMLStreamDataWriter.writeNode

["Andriy Redko (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/CXF-9007?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17845165#comment-17845165 ] 

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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