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https://issues.apache.org/jira/browse/AXIS-2029?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Andreas Veithen updated AXIS-2029:
----------------------------------
Labels: dom-compatibility (was: )
> SOAPHeader.appendChild() throws unexpected ClassCastException
> -------------------------------------------------------------
>
> Key: AXIS-2029
> URL: https://issues.apache.org/jira/browse/AXIS-2029
> Project: Axis
> Issue Type: Bug
> Components: Basic Architecture, SAAJ
> Affects Versions: 1.2
> Environment: Windows XP Pro/WebSphere 4.0
> Reporter: Mark Tye
> Assignee: Ashutosh Shahi
> Labels: dom-compatibility
> Attachments: 2029.diff
>
>
> The class org.apache.axis.message.SOAPHeader overrides the
> appendChild(org.w3c.dom.Node) method of org.apache.axis.message.NodeImpl in
> such a way that it breaks the contract of the
> org.3c.dom.Node.appendChild(org.w3c.dom.Node) interface.
> Here's the implementation of appendChild(Node) in SOAPHeader:
> 390 public Node appendChild(Node newChild) throws DOMException {
> 391 SOAPHeaderElement headerElement = null;
> 392 if(newChild instanceof SOAPHeaderElement)
> 393 headerElement = (SOAPHeaderElement)newChild;
> 394 else
> 395 headerElement = new SOAPHeaderElement((Element)newChild);
> 396 try {
> 397 addChildElement(headerElement);
> 398 } catch (SOAPException e) {
> 399 throw new
> DOMException(DOMException.INVALID_STATE_ERR,e.toString());
> 400 }
> 401 return headerElement;
> 402 }
> This works fine if the newChild Node parameter is an instance of
> SOAPHeaderElement or org.w3c.dom.Element, but any other subclass of Node will
> cause a ClassCastException to be thrown at line 395.
> It's reasonable to expect that in most cases, the Node being appended to a
> SOAP Header will be DOM Element representing a header entry. However, there
> is no prohibition in the SOAP 1.1 Note or the SOAP 1.2 Recommendation against
> whitespace before, after, or in between the header entries of a SOAP Header.
> Some parsers will render such whitespace as Text nodes, which will cause a
> ClassCastException in the appendChild() method.
> Even if a deliberate design decision has been made not to support whitespace
> in the SOAPHeader class, the appendChild(Node) method should probably do
> something more elegant than throw a ClassCastException if the Node parameter
> is a Text node containing whitespace.
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