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https://issues.apache.org/jira/browse/CXF-8938?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18013785#comment-18013785
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Freeman Yue Fang commented on CXF-8938:
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We need to check if MTOM_ENABLED is true for the endpoint, by default it's
false, so it's not correct to use MTOM attachment anyway here.
> CXF forces XOP for SwA SOAP services
> ------------------------------------
>
> Key: CXF-8938
> URL: https://issues.apache.org/jira/browse/CXF-8938
> Project: CXF
> Issue Type: Bug
> Components: JAXB Databinding
> Affects Versions: 3.6.2
> Reporter: Willem Salembier
> Assignee: Freeman Yue Fang
> Priority: Major
> Attachments: swaref.zip
>
>
> CXF seems to force {{xop:Include}} tags for web services that don't require
> or activate MTOM, but use SOAP with Attachments (SwA).
> The goal of this type is to send the document as a mime part attachment, but
> the digest of the file should just be a base64 encoded string in the SOAP
> body.
> {code}
> <xsd:complexType>
> <xsd:sequence>
> <xsd:element name="Attachment" type="swaref:swaRef"/>
> <xsd:element name="Digest" type="xsd:base64Binary"/>
> </xsd:sequence>
> </xsd:complexType>
> {code}
> CXF generates the following SOAP message including a {{xop:Include}} tag for
> the Digest.
> {code}
> <soap:Envelope xmlns:soap="http://schemas.xmlsoap.org/soap/envelope/";>
> <soap:Body>
> <ns2:SecureDocument xmlns:ns2="http://playground.be/sample/v1";>
>
> <Attachment>[email protected]</Attachment>
> <Digest>
> <xop:Include
> xmlns:xop="http://www.w3.org/2004/08/xop/include";
> href="cid:[email protected]"/>
> </Digest>
> </ns2:SecureDocument>
> </soap:Body>
> </soap:Envelope>
> {code}
> This behavior seems to come from
> {{org.apache.cxf.jaxb.attachment.JAXBAttachmentMarshaller}} which forces that
> any attachment list (even when it is empty) activates XOP.
> {code}
> public JAXBAttachmentMarshaller(Collection<Attachment> attachments,
> Integer mtomThreshold) {
> super();
> if (mtomThreshold != null) {
> threshold = mtomThreshold.intValue();
> }
> atts = attachments;
> isXop = attachments != null;
> }
> {code}
> XOP shouldn't be the default. In {{cxf.xml}}, I tried disabling MTOM, but I
> cannot get rid of the XOP tags. I didn't find a way to retrieve and customize
> the {{JAXBAttachmentMarshaller}} instance neither.
> {code}
> <jaxws:client name="{http://playground.be/sample/v1}SampleSOAP11";
> createdFromAPI="true" address="http://localhost:8080";>
> <jaxws:properties>
> <entry key="mtom-enabled" value="false"/>
> </jaxws:properties>
> </jaxws:client>
> {code}
> This is my reproducer: [^swaref.zip]
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