Re: Unmarshalling Error: UndeclaredPrefix: Cannot resolve 'ns0:Xxx' as a QName: the prefix 'ns0' is not declared

> I am running in to an issue when a Java 5 client using JWSDP is  
> sending
> a request to my CXF (2.1.1 SNAPSHOT) service.  I get an exception,
> Unmarshalling Error: UndeclaredPrefix: Cannot resolve 'ns0:Xxx' as a
> QName: the prefix 'ns0' is not declared, as shown below.  The type  
> is an
> extension from a base type.  I am assuming this is why "xsi:type" is
> generated by the client since it is not used in other places.
>
> Is there a reason why CXF is having trouble with this?
>
> Type From Schema:
>
>                       <xs:complexType name="Xxx">
>                                <xs:complexContent>
>                                        <xs:extension base="tns:Base">
>                                                <xs:sequence>
>                                                        <xs:element
> minOccurs="1"
>                                                                
> name="a"
> nillable="false" type="xs:boolean" />
>                                                        <xs:element
> minOccurs="1"
>                                                                
> name="b"
> nillable="false" type="xs:boolean" />
>                                                </xs:sequence>
>                                        </xs:extension>
>                                </xs:complexContent>
>                      </xs:complexType>
>
> ------------------------------------------------------------------------
> ------------------------------------------------------------------------
> -----
>
> XML Generated:
>
> <?xml version="1.0"?>
> <env:Envelope xmlns:env="http://schemas.xmlsoap.org/soap/envelope/"
> xmlns:xsd="http://www.w3.org/2001/XMLSchema"
> xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
> xmlns:enc="http://schemas.xmlsoap.org/soap/encoding/"
> xmlns:ns0="http://mdc.com">
>  <env:Body>
>    <ns0:createXxxRequest>
>      <ns0:xxx xsi:type="ns0:Xxx">
>        <ns0:name>xxx</ns0:name>
>      </ns0:xxx>
>    </ns0:createXxxRequest>
>  </env:Body>
> </env:Envelope>
>
> ------------------------------------------------------------------------
> ------------------------------------------------------------------------
> -----
>
> Exception In Log:
>
> INFO: Interceptor has thrown exception, unwinding now
> org.apache.cxf.interceptor.Fault: Unmarshalling Error:  
> UndeclaredPrefix:
> Cannot resolve 'ns0:Xxx' as a QName: the prefix 'ns0' is not declared.
>        at
> org
> .apache.cxf.jaxb.JAXBEncoderDecoder.unmarshall(JAXBEncoderDecoder.jav
> a:643)
>        at
> org
> .apache.cxf.jaxb.JAXBEncoderDecoder.unmarshall(JAXBEncoderDecoder.jav
> a:555)
>        at
> org.apache.cxf.jaxb.io.DataReaderImpl.read(DataReaderImpl.java:64)
>        at
> org
> .apache.cxf.interceptor.DocLiteralInInterceptor.handleMessage(DocLite
> ralInInterceptor.java:183)
>        at
> org
> .apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorC
> hain.java:221)
>        at
> org
> .apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiati
> onObserver.java:78)
>        at
> org
> .apache.cxf.transport.servlet.ServletDestination.invoke(ServletDestin
> ation.java:92)
>        at
> org
> .apache.cxf.transport.servlet.ServletController.invokeDestination(Ser
> vletController.java:279)
>        at
> org
> .apache.cxf.transport.servlet.ServletController.invoke(ServletControl
> ler.java:161)
>        at
> org
> .apache.cxf.transport.servlet.AbstractCXFServlet.invoke(AbstractCXFSe
> rvlet.java:174)
>        at
> org
> .apache.cxf.transport.servlet.AbstractCXFServlet.doPost(AbstractCXFSe
> rvlet.java:152)
>        at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
>        at javax.servlet.http.HttpServlet.service(HttpServlet.java:810)
>        at
> org
> .apache.catalina.core.ApplicationFilterChain.internalDoFilter(Applica
> tionFilterChain.java:252)
>        at
> org
> .apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilt
> erChain.java:173)
>        at
> org
> .jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilte
> r.java:96)
>        at
> org
> .apache.catalina.core.ApplicationFilterChain.internalDoFilter(Applica
> tionFilterChain.java:202)
>        at
> org
> .apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilt
> erChain.java:173)
>        at
> org
> .apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValv
> e.java:213)
>        at
> org
> .apache.catalina.core.StandardContextValve.invoke(StandardContextValv
> e.java:178)
>        at
> org
> .jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAs
> sociationValve.java:175)
>        at
> org
> .jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.j
> ava:74)
>        at
> org
> .apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java
> :126)
>        at
> org
> .apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java
> :105)
>        at
> org
> .jboss.web.tomcat.tc5.jca.CachedConnectionValve.invoke(CachedConnecti
> onValve.java:156)
>        at
> org
> .apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.
> java:107)
>        at
> org
> .apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:1
> 48)
>        at
> org
> .apache.coyote.http11.Http11Processor.process(Http11Processor.java:86
> 9)
>        at
> org.apache.coyote.http11.Http11BaseProtocol
> $Http11ConnectionHandler.proc
> essConnection(Http11BaseProtocol.java:664)
>        at
> org
> .apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint
> .java:527)
>        at
> org
> .apache.tomcat.util.net.MasterSlaveWorkerThread.run(MasterSlaveWorker
> Thread.java:112)
>        at java.lang.Thread.run(Thread.java:619)
> Caused by: javax.xml.bind.UnmarshalException
> - with linked exception:
> [org.xml.sax.SAXParseException: UndeclaredPrefix: Cannot resolve
> 'ns0:Xxx' as a QName: the prefix 'ns0' is not declared.]
>        at
> com
> .sun.xml.bind.v2.runtime.unmarshaller.UnmarshallerImpl.handleStreamEx
> ception(UnmarshallerImpl.java:396)
>        at
> com
> .sun.xml.bind.v2.runtime.unmarshaller.UnmarshallerImpl.unmarshal0(Unm
> arshallerImpl.java:335)
>        at
> com
> .sun.xml.bind.v2.runtime.unmarshaller.UnmarshallerImpl.unmarshal(Unma
> rshallerImpl.java:312)
>        at
> org
> .apache.cxf.jaxb.JAXBEncoderDecoder.unmarshall(JAXBEncoderDecoder.jav
> a:628)
>        ... 31 more
> Caused by: org.xml.sax.SAXParseException: UndeclaredPrefix: Cannot
> resolve 'ns0:Xxx' as a QName: the prefix 'ns0' is not declared.
>        at
> org
> .apache.xerces.util.ErrorHandlerWrapper.createSAXParseException(Unkno
> wn Source)
>        at org.apache.xerces.util.ErrorHandlerWrapper.error(Unknown
> Source)
>        at org.apache.xerces.impl.XMLErrorReporter.reportError(Unknown
> Source)
>        at org.apache.xerces.impl.XMLErrorReporter.reportError(Unknown
> Source)
>        at
> org.apache.xerces.impl.xs.XMLSchemaValidator
> $XSIErrorReporter.reportErro
> r(Unknown Source)
>        at
> org.apache.xerces.impl.xs.XMLSchemaValidator.reportSchemaError(Unknown
> Source)
>        at
> org
> .apache.xerces.impl.xs.XMLSchemaValidator.getAndCheckXsiType(Unknown
> Source)
>        at
> org
> .apache.xerces.impl.xs.XMLSchemaValidator.handleStartElement(Unknown
> Source)
>        at
> org.apache.xerces.impl.xs.XMLSchemaValidator.startElement(Unknown
> Source)
>        at
> org
> .apache.xerces.jaxp.validation.ValidatorHandlerImpl.startElement(Unkn
> own Source)
>        at
> com
> .sun.xml.bind.v2.runtime.unmarshaller.ValidatingUnmarshaller.startEle
> ment(ValidatingUnmarshaller.java:73)
>        at
> com
> .sun.xml.bind.v2.runtime.unmarshaller.StAXStreamConnector.handleStart
> Element(StAXStreamConnector.java:238)
>        at
> com
> .sun.xml.bind.v2.runtime.unmarshaller.StAXStreamConnector.bridge(StAX
> StreamConnector.java:172)
>        at
> com
> .sun.xml.bind.v2.runtime.unmarshaller.UnmarshallerImpl.unmarshal0(Unm
> arshallerImpl.java:333)
>        ... 33 more