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https://issues.apache.org/jira/browse/CXF-4348?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13285795#comment-13285795
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Sergey Beryozkin commented on CXF-4348:
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Ivan,
> 2) AttachmentOutputInterceptor is created with some default Content-Type,
> which is "application/octet-stream" -> The type must be "multipart/related"
> (or other multipart).
note that the method in your code @Produces("multipart/*"). I can reproduce
that the response message's Content-Type is set to "application/octet-stream",
but only if no "Accept: multipart-related" exists. If I update the client to
set "Accept: multipart-related", then the message Content-Type is set correctly
to multipart-related, with other parameters like start-info, etc, included.
Can you confirm that you have a specific multipart media type listed in Accept ?
I can confirm that when we have more than one part returned, the Content-Type
of the root part is broken. Will be fixing it
> Content-Type is broken in multipart serialization
> -------------------------------------------------
>
> Key: CXF-4348
> URL: https://issues.apache.org/jira/browse/CXF-4348
> Project: CXF
> Issue Type: Bug
> Components: JAX-RS
> Environment: Any
> Reporter: Ivan Bondarenko
> Priority: Blocker
> Labels: bug, multipart, serialization
>
> Multiparts are serialized incorrectly.
> Imagine the response with two attachments:
> a) "filename1.doc" with attachment-id "Attachment_id1" and Content-Type
> "application/msword"
> b) "filename2.xls" with attachment-id "Attachment_id2" and Content-Type
> "application/vnd.ms-excel"
> Serialization of this Multipart is ({} are used for text reduction):
> HTTP/1.1 200 OK
> Server: ...
> Date: ...
> Content-Type: application/octet-stream; type="application/msword";
> boundary="uuid:{UUID}"; start="<Attachment_id1>";
> start-info="application/msword"
> Transfer-Encoding: chunked
> --uuid:{UUID}
> Content-Type: text/xml; charset=UTF-8; type="application/msword";
> Content-Transfer-Encoding: binary
> Content-ID: <Attachment_id1>
> Content-Disposition: attachment; filename=filename1.doc
> {CONTENT1}
> --uuid:{UUID}
> Content-Type: application/vnd.ms-excel
> Content-Transfer-Encoding: binary
> Content-ID: <Attachment_id2>
> Content-Disposition: attachment; filename=filename2.xls
> {CONTENT2}
> --uuid:{UUID}--
> While we are expecting kind of this:
> HTTP/1.1 200 OK
> Server: ...
> Date: ...
> Content-Type: multipart/related
> Transfer-Encoding: chunked
> --uuid:{UUID}
> Content-Type: application/msword;
> Content-Transfer-Encoding: binary
> Content-ID: <Attachment_id1>
> Content-Disposition: attachment; filename=filename1.doc
> {CONTENT1}
> --uuid:{UUID}
> Content-Type: application/vnd.ms-excel
> Content-Transfer-Encoding: binary
> Content-ID: <Attachment_id2>
> Content-Disposition: attachment; filename=filename2.xls
> {CONTENT2}
> --uuid:{UUID}--
> So the Content-Type of the whole response and of the first part are incorrect.
> The starting point of the bug searching is
> org.apache.cxf.jaxrs.ext.MessageContextImpl.convertToAttachments(Object)
> method, which has at least these sub-bugs:
> 1) First attachment is handled other way than all subsequent ones -> All
> attachments must be handled in the same way.
> 2) AttachmentOutputInterceptor is created with some default Contetnt-Type,
> which is "application/octet-stream" -> The type must be "multipart/related"
> (or other multipart).
> 3) Content-Type of outMessage is changed to the first attachment's
> Content-Type and then new type is used at least in
> org.apache.cxf.attachment.AttachmentSerializer.writeProlog() method -> The
> same type must be used.
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