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From "Michel Decima (JIRA)" <>
Subject [jira] Updated: (CXF-2669) MTOM producer - different content-id in XOP:Include and MIME part for the same attachment
Date Fri, 12 Feb 2010 15:58:27 GMT


Michel Decima updated CXF-2669:

    Attachment: patch.txt

This patch changes the default cid value from "" to "".
This new value solves the issue.

> MTOM producer - different content-id in XOP:Include and MIME part for the same attachment
> -----------------------------------------------------------------------------------------
>                 Key: CXF-2669
>                 URL:
>             Project: CXF
>          Issue Type: Improvement
>          Components: Core
>    Affects Versions: 2.2.6
>            Reporter: Michel Decima
>         Attachments: patch.txt
> Some third-party server can't receive MTOM attachment sent by CXF clients 
> because "cid" URL and Content-ID are different. 
> - In the SOAP part of the request the attachments are included as:
> <xop:Include xmlns:xop=""
> href=""/>
> (please notice escaped URI in the cid)
> - instead, the actual Content-Id in the multipart POST part is unescaped:
> Content-ID: <5726d366-df25-4945-9f3b-3003a2ae8a70-4@>
> From RFC2111 ( :
>    A "cid" URL is converted to the corresponding Content-ID message
>    header [MIME] by removing the "cid:" prefix, converting %hh hex-
>    escaped characters to their ASCII equivalents and enclosing the
>    remaining parts with an angle bracket pair, "<" and ">".  For
>    example, "mid:foo4%25foo1@..." corresponds to
>         Message-ID: <foo4%foo1@...>
> According to this RFC, the "cid" URL and Content-ID are perfectly legal.
> However, the behaviour of the function createContentID() from class 
> org.apache.cxf.attachment.AttachmentUtil is not very consistent:
> The full content-id is the result of concatenation of a random part (name) and a
> suffix part (cid) after encoding with URLencoder.
> If the argument _ns_ is null or empty, the suffix defaults to 
> "" (full absolute URL, not the host part of it), and 
> then the result of the function will contain hex-escaped characters, like 
> this:
> If the argument _ns_ is not null and not empty, then _ns_ is used to build an
> URL, and the host part of this URL will be used as suffix value. Thus, if we 
> call this function with a specific namespace, for example "", 
> the result will be :
> and this string value does not contains hex-escaped characters.
> To be more consistent, the function should use only the host part "" 
> if namespace is null/empty. In other words, calling createContentId() explicitely 
> with empty namespace and "" should give the same value for
> the suffix part (after character @).
> Since this modification affects only the default suffix value, the algorithm
> stays the same, and hex-escaped characters are processed as expected. But, as
> a side effect, the generated contentID will be compatible with current third-party
> server.

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