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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