@javax.xml.ws.BindingType or @javax.xml.ws.soap.MTOM have a different behaviour with jbossws-cxf than jbossws-native -------------------------------------------------------------------------------------------------------------------- Key: JBWS-3593 URL: https://issues.jboss.org/browse/JBWS-3593 Project: JBoss Web Services Issue Type: Bug Security Level: Public(Everyone can see) Components: jbossws-cxf, jbossws-native Affects Versions: jbossws-cxf-4.0.2, jbossws-native-4.0.2 Environment: Jboss AS 7.1.1Final Reporter: A l e c C R E S T A N Fix For: jbossws-cxf-4.2 On JBoss AS 7.1.1, with the following service implementation: {code} @WebService(...) @javax.xml.ws.BindingType (value=javax.xml.ws.soap.SOAPBinding.SOAP12HTTP_MTOM_BINDING) public class SEIImpl { ... public DataHandler getBin() {...} /* maps to a type="xs:base64Binary" in wsdl */ public List<String> getString(){...} /* maps to sequence of String in wsdl */ ... } {code} With the default *jbossws-cxf*, the responses are: - for getString() method Content-Type: multipart/related; type="application/xop+xml"; ... - for getBin() method Content-Type: multipart/related; type="application/xop+xml"; ... -> +both responses are MTOM/XOP modified ! The getString() response should not.+ With *jbossws-native* (after the jbossws stack switching) , the responses are the expected ones: - for getString() method Content-Type: text/xml;charset=UTF-8 <env:Envelope .... text content ..../env:Envelope> - for getBin() method Content-Type: multipart/related; type="application/xop+xml"; ... Best regards, Note: same behaviour with @javax.xml.ws.soap.MTOM or SOAP11HTTP_MTOM_BINDING