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https://issues.apache.org/jira/browse/AXIS2-4071?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12644251#action_12644251
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Amila Chinthaka Suriarachchi commented on AXIS2-4071:
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Sorry for late reply.
Are you thinking of custermizing the Axis2?
WSDL11ToAxisServiceBuilder is used in codegen and deployment. Have you test
your modified code with code gen and deployment?
For the both cases uses it runs with the default WSDL11ToAxisServiceBuilder and
there is no way to plug any other WSDL11ToAxisServiceBuilder. Are you
suggesting to have such feature?
In above case also what I would like to suggest is to extract the code which
adds the generated elements/complex types for existing schema. So for normal
case the existing code run as it is and if some one need they can override it.
> WSDL11ToAxisServiceBuilder + RPC/Literal OR HTTP binding =~ Inconsistent
> XMLSchema object: duplicated global element declarations
> ---------------------------------------------------------------------------------------------------------------------------------
>
> Key: AXIS2-4071
> URL: https://issues.apache.org/jira/browse/AXIS2-4071
> Project: Axis 2.0 (Axis2)
> Issue Type: Bug
> Components: kernel
> Affects Versions: 1.4, nightly
> Environment: Windows XP. 4GB RAM Intel Xeon dual-core @2.75Ghz
> Reporter: Antonio Andrade
> Attachments: AXIS2-4071.patch, JUnit Tests - Before.jpg
>
> Original Estimate: 72h
> Remaining Estimate: 72h
>
> In WSDL11ToAxisServiceBuilder:
> 1) Within the 'setup()' method, a map ('schemaMap') indexed by
> targetNamespace and values equal root (W3C) Elements is populated
> 2) When either a RPC/Literal binding or an HTTP binding with message parts
> referencing type definitions is found, new global element declarations based
> on the WSDL operation name are created. These new elements can either be
> added to an existing (W3C) Document (in case the 'schemMap' contains a
> document with the same target namespace as the one that the newly created
> element has) or added to a newly created Document.:
> a) If a new document is created, an additional namespace mapping
> declaration is added to that document (see 'XMLNS_AXIS2WRAPPED' ). This helps
> distinguishing this document among the other original ones.
> b) If an additional document is NOT created, the new global element
> declarations are added to an existing document. No additional namespace
> mapping declaration is added.
> 3) After all wrapped elements have been created, XmlSchema objects are
> created from the original, modified and newly created W3C Documents
> Note that all this leads to duplicate global element declarations any time
> there's already an element named after an operation name. This is very common
> and happens every time operation names across multiple bindings are the same.
> In general, all this is caused by the creation of XML schema elements while
> transforming operations using the RPC/Literal encoding style into the
> Document/Literal encoding style using the wrapped convention.
> There is more than one problem associated with the creation of new XML global
> element declarations:
> 1) First of all, the XML schema documents end up with duplicated global
> element declarations which makes the Schema invalid. But why nobody seems to
> have noticed it? I think it's just a coincidence, let me explain: A XmlSchema
> object maintains a MAP, indexed by element name (QName) and XmlSchemaElement
> objects as values. This map is used for a faster object retrieval. At the
> same time, the XmlSchema object also maintains a LIST of all nodes
> (XmlSchemaObject objects I think). So whenever duplicate elements are added
> to the schema, the last-inserted elements overwrite the previous elements on
> the MAP of elements but they are inserted with no problems in the LIST of
> nodes and because the latter elements are usually what people is looking for
> (i.e. in case of databinding libraries that create the client stub for a
> single port), the 'correct' element is returned
> 2) If the Definition object (from WSDL4J) is used to populate multiple
> AxisServices from different WSDL ports, for example, within the
> 'WSDL11ToAllAxisServicesBuilder' (which, by the way doesn't seem to work at
> all), the W3C Schema Document may end up with multiple duplicated global
> element declarations and the 'AxisService.getSchemaElement(QName)' method
> will fail to return the appropriate reference.
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