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From "Bryan Allen (JIRA)" <j...@apache.org>
Subject [jira] Created: (AXIS2-422) duplicate xmlns="" attribute in client response
Date Wed, 01 Feb 2006 16:55:03 GMT
duplicate xmlns="" attribute in client response
-----------------------------------------------

         Key: AXIS2-422
         URL: http://issues.apache.org/jira/browse/AXIS2-422
     Project: Apache Axis 2.0 (Axis2)
        Type: Bug
  Components: om  
    Versions: 0.94    
 Environment: Axis2 0.94, Eclipse,  Java JDK 1.4.2_09, XP
    Reporter: Bryan Allen


I'm using Axis2 0.94 ServiceClient to call a Web service that returns the following XML in
the soap body.  
This is the XML seen going across the wire with tcptrace. 

    <ExecuteResponse xmlns="urn:schemas-microsoft-com:xml-analysis">
      <return>
        <TABLE xmlns="">
          <CLASS>
            <Name>Alfred</Name>
            <Sex>M</Sex>
            <Age>14</Age>
            <Height>69</Height>
            <Weight>112.5</Weight>
          </CLASS>
        </TABLE>
      </return>
    </ExecuteResponse>

When this XML is parsed in ServiceClient and I serialize it out to file I get the following
output:

<ExecuteResponse xmlns="urn:schemas-microsoft-com:xml-analysis">
  <return>
    <TABLE xmlns="" xmlns="">
      <CLASS xmlns="">
        <Name xmlns="">Alfred</Name>
        <Sex xmlns="">M</Sex>
        <Age xmlns="">14</Age>
        <Height xmlns="">69</Height>
        <Weight xmlns="">112.5</Weight>
      </CLASS>
    </TABLE>
  </return>
</ExecuteResponse>

I think this should work as it does work with other web service client implementations.

I tracked it down in the source and it looks like the problem may be in StAXOMBuilder and
the code it uses to find or declare namespaces, processNamespaceData().  Looks like there
is code there that doesn't handle a namespace with empty string namespace.  

Its definitely not optimal that each element has the xmlns="" attribute, but the main problem
is the duplicate xmlns attribute that causes the XML to be invalid.


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