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http://issues.apache.org/jira/browse/WSCOMMONS-136?page=comments#action_12457315
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Toshiro Takase commented on WSCOMMONS-136:
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I understood. And I verified your changes.
Thank you very much for your explanation and fix, Eran.


> OMElement.setFirstChild() can break the AXIOM tree
> --------------------------------------------------
>
>                 Key: WSCOMMONS-136
>                 URL: http://issues.apache.org/jira/browse/WSCOMMONS-136
>             Project: WS-Commons
>          Issue Type: Bug
>          Components: AXIOM
>         Environment: Windows
>            Reporter: Toshiro Takase
>            Priority: Critical
>
> It seems that OMElementImpl.setFirstChild has strange behavior.
> Let's see,,,
> -----
> OMElement parent = .....
> OMElement a = .....
> OMElement b = .....
> OMElement c = .....
> parent.addChild(a);
> parent.addChild(b);
> parent.addChild(c);
> parent.setFirstChild(b);
> -----
> Then, what happens?
> In current implementation, the first child of "parent" is "b".
> The previous sibling of "b" is still "a".
> The next sibling of "b" is "c"....
> Is this correct behavior?
> Or in the setFirstChild method , "b" should be detached before "b" is set as 
> first element?
> The original first child "a" should be 2nd child?
> What is the correct semantics of setFirstChild method?

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