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From "David Ward (Created) (JIRA)" <j...@apache.org>
Subject [jira] [Created] (CMIS-518) Interoperability issues with deserialization of attributes in Extension Elements
Date Thu, 29 Mar 2012 16:50:25 GMT
Interoperability issues with deserialization of attributes in Extension Elements
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                 Key: CMIS-518
                 URL: https://issues.apache.org/jira/browse/CMIS-518
             Project: Chemistry
          Issue Type: Bug
          Components: opencmis-commons
    Affects Versions: OpenCMIS 0.7.0
            Reporter: David Ward
            Priority: Critical


We came across this issue in https://issues.alfresco.com/jira/browse/ALF-13088 . This is affecting
Alfresco OpenCMIS Extensions.

It would seem that the presence or absence of xalan.jar on the sending side can affect the
receivers ability to lookup attributes on an extension element.

The two examples given at

http://groups.google.com/group/alfresco-opencmis-extension/browse_thread/thread/f9d9152691e5a04f

are equivalent. They just use different ways of serializing the same namespaced XML.

I think the lies in the way that OpenCMIS deserializes extension elements. It strips the namespace
from all attributes, loading their local name into a single map. That means xmlns:propertyDefinitionId
and propertyDefinitionId:propertyDefinitionId may be considered to be the same attribute so
one can overwrite the other.

The attached patch to org.apache.chemistry.opencmis.commons.impl.Converter.convertDomToCmisExtensionElement()
fixed the issue for us, making it only pay attention to attributes in the element's namespace.
What do you think?

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