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From bruno coelho <bruno.coe...@gmail.com>
Subject session export / import
Date Tue, 22 Jun 2010 17:44:38 GMT
hi all,

I'm developing a way of doing backups of our JCR repository built with
Jackrabbit.

I started by creating a node "/bruno" and used
   *session.exportDocumentView("/", outputStream, skipBinary, noRecurse);*
to export all the content to a xml file.

then I use
   *session.importXML("/", inputStream,
ImportUUIDBehavior.IMPORT_UUID_COLLISION_REMOVE_EXISTING);*
to import the xml file:

<?xml version="1.0" encoding="UTF-8"?>
  <jcr:root jcr:primaryType="rep:root" xmlns:fn="
http://www.w3.org/2005/xpath-functions" xmlns:fn_old="
http://www.w3.org/2004/10/xpath-functions" xmlns:xs="
http://www.w3.org/2001/XMLSchema" xmlns:jcr="http://www.jcp.org/jcr/1.0"
xmlns:ctgt="http://www.yunit.pt/contingut/ctn/1.0" xmlns:mix="
http://www.jcp.org/jcr/mix/1.0" xmlns:sv="http://www.jcp.org/jcr/sv/1.0"
xmlns:rep="internal" xmlns:nt="http://www.jcp.org/jcr/nt/1.0">
   <jcr:system jcr:primaryType="rep:system">
       <jcr:versionStorage jcr:primaryType="rep:versionStorage"/>
       <jcr:activities jcr:primaryType="rep:Activities"/>
       <jcr:nodeTypes jcr:primaryType="rep:nodeTypes">
        [...]
           <ctgt:nosamenamesiblings jcr:primaryType="nt:nodeType"
jcr:hasOrderableChildNodes="true" jcr:isMixin="false"
jcr:nodeTypeName="ctgt:nosamenamesiblings"><jcr:propertyDefinition
jcr:primaryType="nt:propertyDefinition" jcr:autoCreated="false"
jcr:mandatory="false" jcr:multiple="true" jcr:onParentVersion="COPY"
jcr:protected="false" jcr:requiredType="UNDEFINED"/><jcr:propertyDefinition
jcr:primaryType="nt:propertyDefinition" jcr:autoCreated="false"
jcr:mandatory="false" jcr:multiple="false" jcr:onParentVersion="COPY"
jcr:protected="false" jcr:requiredType="UNDEFINED"/><jcr:childNodeDefinition
jcr:primaryType="nt:childNodeDefinition" jcr:autoCreated="false"
jcr:defaultPrimaryType="ctgt:nosamenamesiblings" jcr:mandatory="false"
jcr:onParentVersion="VERSION" jcr:protected="false"
jcr:sameNameSiblings="false"/></ctgt:nosamenamesiblings>
       [...]
       </jcr:nodeTypes>
   </jcr:system>
   <bruno jcr:primaryType="ctgt:nosamenamesiblings"
creationDate="1277226878544" deleted="0" lastModifiedDate="1277226878544"
name="/bruno" objectFQN="yunit.contingut.content.dataObjects.Folder"
status="WORK_IN_PROGRESS"/>
</jcr:root>

my problem is that the import creates another node instead of replacing the
existing one.
it creates a node in /jcr:root/bruno and should replace the node /bruno.

from the specification the importer uses the UUID to check if the node
exists in the target repository
but I open the xml file there's no UUID in the attributes of the nodes.
is this correct? if so how can the importer know if a node already exist or
not?

am I doing something wrong?

thanks in advance.


best regards,

bruno coelho

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