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https://issues.apache.org/jira/browse/AXIOM-372?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13066504#comment-13066504
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Hudson commented on AXIOM-372:
------------------------------
Integrated in ws-axiom-trunk #438 (See
[https://builds.apache.org/job/ws-axiom-trunk/438/])
AXIOM-372: Report attempts to create illegal namespace declarations.
veithen :
Files :
*
/webservices/commons/trunk/modules/axiom/modules/axiom-testsuite/src/main/java/org/apache/axiom/ts/om/element/TestDeclareNamespaceInvalid.java
*
/webservices/commons/trunk/modules/axiom/modules/axiom-api/src/main/java/org/apache/axiom/om/impl/util/OMSerializerUtil.java
*
/webservices/commons/trunk/modules/axiom/modules/axiom-api/src/main/java/org/apache/axiom/soap/impl/builder/SOAPBuilderHelper.java
*
/webservices/commons/trunk/modules/axiom/modules/axiom-testsuite/src/main/java/org/apache/axiom/ts/OMTestSuiteBuilder.java
*
/webservices/commons/trunk/modules/axiom/modules/axiom-api/src/main/java/org/apache/axiom/om/OMElement.java
> Axiom should reject attempts to create illegal namespace declarations
> ---------------------------------------------------------------------
>
> Key: AXIOM-372
> URL: https://issues.apache.org/jira/browse/AXIOM-372
> Project: Axiom
> Issue Type: Bug
> Components: API, DOOM, LLOM
> Affects Versions: 1.2.12
> Reporter: Andreas Veithen
> Assignee: Andreas Veithen
> Priority: Minor
>
> According to the Namespaces in XML 1.0 (Second Edition) specification, it is
> illegal to bind a namespace prefix to the empty namespace URI. Only the
> default namespace can have an empty URI:
> "[Definition: If the attribute name matches PrefixedAttName, then the NCName
> gives the namespace prefix, used to associate element and attribute names
> with the namespace name in the attribute value in the scope of the element to
> which the declaration is attached. In such declarations, the namespace name
> may not be empty. ]"
> (Note that this constraint was dropped in the Namespaces in XML 1.1
> specification)
> OMElement#declareNamespace doesn't enforce this constraint and namespace
> declarations that violate this requirement are silently dropped during
> serialization (by code in OMSerializerUtil#isAssociated). This behavior is
> problematic because it may result in subtle issues such as unbound namespace
> prefixes.
> The serialization code should throw an exception if the object model contains
> an invalid namespace declaration. We should also make sure that Axiom itself
> never generates such invalid namespace declarations. Indeed, the code in
> OMSerializerUtil#isAssociated has the following comment:
> "Cannot associate a prefix with an unqualifed name. However sometimes axiom
> creates a fake prefix name if xmns="" is not in effect."
> If this is true, then Axiom needs to be fixed.
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