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From Daniel Kulp <dk...@apache.org>
Subject Re: Duplicated namespaces!
Date Mon, 23 Feb 2009 15:59:00 GMT

This really is a "JAXB" issue and not specific to CXF.    Basically, by 
default, when JAXB marshals something, it sticks all the namespaces it knows 
about out in the root element of what it's marshalling as it doesn't know 
which it will need ahead of time, so it does all of them.

The only way I know around it is to write your own 
com.sun.xml.bind.marshaller.NamespacePrefixMapper
and override the methods:
String[] getPreDeclaredNamespaceUris()
String[] getPreDeclaredNamespaceUris2()
to just declare the ones you think are needed up front and then register that 
with the CXF JAXB Databinding.

Dan



On Mon February 23 2009 3:28:55 am Sky-Tiger wrote:
> Hi,
>    Recently i test my system which used CXF2.1.2 as soap engine. I found
> the soap messages that generated were very  verbose.  Some namespaces
> declared more than once, some were not used at all but still included in
> soap message, like this:
>
> <soap:Envelope xmlns:soap="http://schemas.xmlsoap.org/soap/envelope/">
>    <soap:Header>
>       <header xmlns:ns40="http://www.tmforum.org/mtop/nra/xsd/pg/v1"
> xmlns:ns39="http://www.tmforum.org/mtop/nrf/xsd/ftp/v1"
> xmlns:ns38="http://www.tmforum.org/mtop/nrf/xsd/eq/v1"
> xmlns:ns37="http://www.tmforum.org/mtop/nrf/xsd/rs/v1"
> xmlns:ns36="http://www.tmforum.org/mtop/nrf/xsd/mlsn/v1"
> xmlns:ns35="http://www.tmforum.org/mtop/nrf/xsd/mfd/v1"
> xmlns:ns34="http://www.tmforum.org/mtop/nrf/xsd/ptp/v1"
> xmlns:ns33="http://www.tmforum.org/mtop/nrf/xsd/fdfr/v1"
> xmlns:ns32="http://www.tmforum.org/mtop/nra/xsd/pgp/v1"
> xmlns:ns31="http://www.tmforum.org/mtop/nra/xsd/epg/v1"
> xmlns:ns30="http://www.tmforum.org/mtop/nrf/xsd/gtp/v1"
> xmlns:ns29="http://www.tmforum.org/mtop/nrf/xsd/tpdata/v1"
> xmlns:ns28="http://www.tmforum.org/mtop/nrf/xsd/snc/v1"
> xmlns:ns27="http://www.tmforum.org/mtop/nrf/xsd/tppool/v1"
> xmlns:ns26="http://www.tmforum.org/mtop/nrf/xsd/ctp/v1"
> xmlns:ns25="http://www.tmforum.org/mtop/nrf/xsd/os/v1"
> xmlns:ns24="http://www.tmforum.org/mtop/nrf/xsd/eh/v1"
> xmlns:ns23="http://www.tmforum.org/mtop/nrf/xsd/tl/v1"
> xmlns:ns22="http://www.tmforum.org/mtop/nrf/xsd/fd/v1"
> xmlns:ns21="http://www.tmforum.org/mtop/nrf/xsd/tmd/v1"
> xmlns:ns20="http://www.tmforum.org/mtop/nrb/xsd/lp/v1"
> xmlns:ns19="http://www.tmforum.org/mtop/nrb/xsd/lay/v1"
> xmlns:ns18="http://www.tmforum.org/mtop/nrf/xsd/me/v1"
> xmlns:ns17="http://www.tmforum.org/mtop/nrb/xsd/cri/v1"
> xmlns:ns16="http://www.tmforum.org/mtop/fmw/xsd/coi/v1"
> xmlns:ns15="http://www.tmforum.org/mtop/mri/xsd/rir/v1"
> xmlns:ns14="http://www.tmforum.org/mtop/mri/xsd/tlr/v1"
> xmlns:ns13="http://www.tmforum.org/mtop/mri/xsd/mdr/v1"
> xmlns:ns12="http://www.tmforum.org/mtop/mri/xsd/tpr/v1"
> xmlns:ns11="http://www.tmforum.org/mtop/rtm/xsd/ar/v1"
> xmlns:ns10="http://www.tmforum.org/mtop/rtm/xsd/ah/v1"
> xmlns:ns9="http://www.tmforum.org/mtop/mri/xsd/mer/v1"
> xmlns:ns8="http://www.tmforum.org/mtop/mri/xsd/osr/v1"
> xmlns:ns7="http://www.tmforum.org/mtop/mri/xsd/rs/v1"
> xmlns:ns6="http://www.tmforum.org/mtop/fmw/xsd/notmsg/v1"
> xmlns:ns5="http://www.tmforum.org/mtop/mri/xsd/eir/v1"
> xmlns:ns4="http://www.tmforum.org/mtop/fmw/xsd/msg/v1"
> xmlns:ns3="http://www.tmforum.org/mtop/fmw/xsd/nam/v1"
> xmlns:ns2="http://www.tmforum.org/mtop/fmw/xsd/gen/v1"
> xmlns="http://www.tmforum.org/mtop/fmw/xsd/hdr/v1">
>          <activityName>?</activityName>
>          <msgName>?</msgName>
>          <msgType>REQUEST</msgType>
>          <senderURI>?</senderURI>
>          <destinationURI>?</destinationURI>
>          <replyToURI>?</replyToURI>
>          <originatorURI>?</originatorURI>
>          <failureReplytoURI>?</failureReplytoURI>
>          <activityStatus qualifier="?"/>
>          <correlationId>?</correlationId>
>          <security>?</security>
>          <securityType>?</securityType>
>          <priority>?</priority>
>          <msgSpecificProperties>
>             <property>
>                <propName>?</propName>
>                <propValue>?</propValue>
>             </property>
>          </msgSpecificProperties>
>          <communicationPattern>SimpleResponse</communicationPattern>
>          <communicationStyle>RPC</communicationStyle>
>          <batchSequenceEndOfReply>false</batchSequenceEndOfReply>
>          <iteratorReferenceURI>?</iteratorReferenceURI>
>          <fileLocationURI>?</fileLocationURI>
>          <compressionType extension="?"/>
>          <packingType extension="?"/>
>          <vendorExtensions/>
>       </header>

-- 
Daniel Kulp
dkulp@apache.org
http://www.dankulp.com/blog

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