[jira] Commented: (CXF-2342) Performance issue in StaxInInterceptor

["Sergey Pulyaev (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/CXF-2342?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12745010#action_12745010 ] 

Sergey Pulyaev commented on CXF-2342:
-------------------------------------

I cannot access XMLOutputFactory because of this patch - so i cannot specify required flags - for example - AUTOMATIC_EMPTY_ELEMENTS.

I have done an interceptor that changes XML output factory properties - but it's not work now.

      XMLOutputFactory outputFactory = StaxOutInterceptor.getXMLOutputFactory(message);
      if(WstxOutputFactory.class.isAssignableFrom(outputFactory.getClass())){
           WstxOutputFactory of = (WstxOutputFactory)outputFactory;
          of.getConfig().setProperty(XMLOutputFactory2.P_AUTOMATIC_EMPTY_ELEMENTS, false);
       } 

Now StaxOutInterceptor.getXMLOutputFactory always returns NULL - so i have no way to specify this flag anymore.


> Performance issue in StaxInInterceptor
> --------------------------------------
>
>                 Key: CXF-2342
>                 URL: https://issues.apache.org/jira/browse/CXF-2342
>             Project: CXF
>          Issue Type: Improvement
>    Affects Versions: 2.2.2
>            Reporter: Kevin Conaway
>            Assignee: Daniel Kulp
>             Fix For: 2.1.6, 2.2.3
>
>         Attachments: CXF-2342.patch
>
>
> From this mailing list thread [Performance issue in StaxInInterceptor|http://www.nabble.com/Performance-issue-in-StaxInInterceptor-td24499018.html]:
> In cxf-2.2.2, StaxInInterceptor#handleMessage() synchronizes on the XMLInputFactory before calling XMLInputFactory#createXMLStreamReader(InputStream, String).
> Profiling our application reveals this to be a pain point in high volume situations 

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