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https://issues.apache.org/jira/browse/CXF-4267?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13262745#comment-13262745
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Stefan E. Funk commented on CXF-4267:
-------------------------------------

Boy, are you guys fast! Glad we switched from Axis2 to CXF :-)
                
> A NPE in AttatchmentDataSource could be guarded.
> ------------------------------------------------
>
>                 Key: CXF-4267
>                 URL: https://issues.apache.org/jira/browse/CXF-4267
>             Project: CXF
>          Issue Type: Bug
>          Components: JAX-WS Runtime
>    Affects Versions: 2.5.2
>            Reporter: Stefan E. Funk
>            Assignee: Daniel Kulp
>            Priority: Trivial
>             Fix For: 2.6.1, 2.5.4, 2.4.8, 2.3.11
>
>
> If I do a release a hold on a DataSource like this:
> void release(DataSource ds) throws IOException {
>   AttachmentDataSource ads = getAttachmentDataSource(ds);
>   if (ads != null) {
>     // tell attachment to hold the temporary file;
>     ads.release();
>   }
> }
> and the ads.isCached() is false, I get a NPE. I know that without a hold() 
> there should be no release(), but sometimes it may happen anyway (e.g. in 
> finally blocks), and then it would not be necesarry to check isCahced() 
> before.

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