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From "Eoin Lane (JIRA)" <j...@apache.org>
Subject [jira] Commented: (CXF-1892) Support for XMLSchemaChoice
Date Thu, 30 Oct 2008 11:09:44 GMT

    [ https://issues.apache.org/jira/browse/CXF-1892?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12643811#action_12643811
] 

Eoin Lane commented on CXF-1892:
--------------------------------

Benson,

Thank you very much for your speedy response.

I have no problem upgrading to JAX-RS, what ever gets this working :)


I have been using a recent dW article (which claims to be using a spring 
framework) as my base here and then just creating a RESTful service based 
around an XML Schema with the choice in it.

https://www.ibm.com/developerworks/webservices/library/ws-pojo-springcxf2/ 


I ran in two problem (all with write to the service, I can read no 
problem).

The first occurs when I am using CXF 2.1.x and it is a very generic error 
which I reported here on the apache forum:

http://www.nabble.com/Problems-with-CXF-2.1.x-tt20213983.html 

The second error, the XMLSchemaChoice occurs when I switch back to using 
CXF 2.1

I wonder could you point me to a working example of using JAX-RS and I 
will happily try and get that to work.

Again thanks for your time and consideration.


Best wishes, 
Eoin Lane Ph.D 


> Support for XMLSchemaChoice
> ---------------------------
>
>                 Key: CXF-1892
>                 URL: https://issues.apache.org/jira/browse/CXF-1892
>             Project: CXF
>          Issue Type: Improvement
>          Components: JAXB Databinding
>    Affects Versions: 2.1.3
>            Reporter: Eoin Lane
>
> Get CXF to support 
>  org.apache.ws.commons.schema.XmlSchemaChoice 
>  
>  I have generated java code using JAXB for a XML Schema that has choices in 
>  it e.g. 
>  
> <?xml version="1.0" encoding="UTF-8"?>
> <schema xmlns="http://www.w3.org/2001/XMLSchema"
> 	targetNamespace="http://www.example.org/NewXMLSchema"
> 	xmlns:tns="http://www.example.org/NewXMLSchema"
> 	xmlns:xs="http://www.w3.org/2001/XMLSchema" 
> 	elementFormDefault="qualified">
> 	<!-- topic ..................................................... -->
> 	<xs:element name="item">
> 		<xs:complexType>
> 			<xs:sequence>
> 				<xs:element name="instanceOf" type="xs:anyURI" minOccurs="0" maxOccurs="1" />
> 				<xs:choice minOccurs="0" maxOccurs="unbounded">
> 					<xs:element name="name" type="xs:anyURI"/>
> 					<xs:element name="occurrence" type="xs:anyURI"/>
> 				</xs:choice>
> 			</xs:sequence>
> 			<xs:attribute name="id" type="xs:ID" use="required" />
> 		</xs:complexType>
> 	</xs:element>
> </schema> 
>  
>  However when I POST in an valid XML message the IriDecoderHelper class barks 
>  the below exception: 
>  
> Need to code in support for 
>  XmlSchemaChoice in IriDecoderHelper.interopolateParams(...) method? 
>  
>  (BTW the offending line is here: 
>  for (int i = 0; i < seq.getItems().getCount(); i++) { 
>             XmlSchemaElement elChild = 
>  (XmlSchemaElement)seq.getItems().getItem(i); 
>             Param param = null; 
>  ) 
>  
>  
>  Oct 28, 2008 3:28:24 PM org.apache.cxf.phase.PhaseInterceptorChain 
>  doIntercept 
>  INFO: Interceptor has thrown exception, unwinding now 
>  java.lang.ClassCastException: org.apache.ws.commons.schema.XmlSchemaChoice 
>  incompatible with org.apache.ws.commons.schema.XmlSchemaElement 
>         at 
>  org.apache.cxf.binding.http.IriDecoderHelper.interopolateParams(IriDecoderHelper.java:307)

>         at 
>  org.apache.cxf.binding.http.interceptor.URIParameterInInterceptor.mergeParams(URIParameterInInterceptor.java:122)

>         at 
>  org.apache.cxf.binding.http.interceptor.URIParameterInInterceptor.handleMessage(URIParameterInInterceptor.java:103)

>         at 
>  org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:221)

>         at 
>  org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:78)

>         at 
>  org.apache.cxf.transport.servlet.ServletDestination.invoke(ServletDestination.java:92)

>         at 
>  org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:214)

>         at 
>  org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:113)

>         at 
>  org.apache.cxf.transport.servlet.AbstractCXFServlet.invoke(AbstractCXFServlet.java:170)

>         at 
>  org.apache.cxf.transport.servlet.AbstractCXFServlet.doPost(AbstractCXFServlet.java:148)

>         at javax.servlet.http.HttpServlet.service(HttpServlet.java:710) 
>         at javax.servlet.http.HttpServlet.service(HttpServlet.java:803) 
>         at 
>  org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)

>         at 
>  org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)

>         at 
>  org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:230)

>         at 
>  org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175)

>         at 
>  org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128) 
>         at 
>  org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:104) 
>         at 
>  org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109) 
>         at 
>  org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:261) 
>         at 
>  org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844) 
>         at 
>  org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:581)

>         at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447) 
>         at java.lang.Thread.run(Thread.java:803) 

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