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https://issues.apache.org/jira/browse/AXIOM-362?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13019751#comment-13019751
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Auke Schrijnen commented on AXIOM-362:
--------------------------------------

I did some tests and it seems that text elements (OMTextImpl) are added to the 
SOAP header (SOAPHeaderImpl) when the request contains whitespace between SOAP 
headers:
<s:Envelope xmlns:s="http://schemas.xmlsoap.org/soap/envelope/";>
  <s:Header>
    <!-- this whitespace is creating a OMTextImpl -->
    <h:MyHeader xmlns:h="http://myheaderurl"/>
  </s:Header>
  ...
</s:Envelope>

I don't know if Axis2 shouldn't add those text elements or if Axiom 
SOAPHeaderImpl should handle text elements differently.

> SOAPHeader examineAllHeaderBlocks throws ClassCastException
> -----------------------------------------------------------
>
>                 Key: AXIOM-362
>                 URL: https://issues.apache.org/jira/browse/AXIOM-362
>             Project: Axiom
>          Issue Type: Bug
>          Components: LLOM
>    Affects Versions: 1.2.11
>            Reporter: Auke Schrijnen
>            Priority: Minor
>         Attachments: axiom-soapheader.patch
>
>
> The llom SOAPHeaderImpl class throws a ClassCastException:
> java.lang.ClassCastException: org.apache.axiom.om.impl.llom.OMElementImpl 
> cannot be cast to org.apache.axiom.soap.SOAPHeaderBlock
>       at 
> org.apache.axiom.soap.impl.llom.SOAPHeaderImpl$HeaderIterator.<init>(SOAPHeaderImpl.java:181)
>       at 
> org.apache.axiom.soap.impl.llom.SOAPHeaderImpl.examineAllHeaderBlocks(SOAPHeaderImpl.java:358)
>       at 
> org.apache.synapse.core.axis2.Axis2MessageContext.toString(Axis2MessageContext.java:485)
>       at java.lang.String.valueOf(String.java:2826)
>       at java.lang.StringBuilder.append(StringBuilder.java:115)
>       at 
> org.apache.synapse.mediators.eip.aggregator.AggregateMediator.mediate(AggregateMediator.java:249)
>       at ...
> The HeaderIterator does check for nodes other than a SOAPHeaderBlock node, 
> except for the first element. The method 'hasNext' does check if nodes are 
> SOAPHeaderBlock nodes.

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