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https://issues.apache.org/jira/browse/CXF-8770?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17611476#comment-17611476
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Colm O hEigeartaigh commented on CXF-8770:
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CXF 2.7.18 was released back in 2015, please try with a more recent version.
> ClassCastException with com.sun.org.apache.xerces.internal.dom.ElementNSImpl
> in Java 11 and cxf-bundle:2.7.18
> --------------------------------------------------------------------------------------------------------------
>
> Key: CXF-8770
> URL: https://issues.apache.org/jira/browse/CXF-8770
> Project: CXF
> Issue Type: Bug
> Components: JAX-RS, JAX-WS Runtime, JAXB Databinding
> Affects Versions: 3.4.2
> Reporter: Retheesh
> Priority: Blocker
>
> When upgrading Java 8 to 11, I am getting javax.xml dependency not found
> error. We are also generating java class from wsdl and xsd, using cxf-codegen
> plugin. That classes also uses these dependency. When tried adding the
> javax.xml dependency explicitly, the build was success but getting the
> following error while we are hitting the service.
> {code:java}
> unwinding now
> java.lang.ClassCastException: class
> com.sun.org.apache.xerces.internal.dom.ElementNSImpl cannot be cast to class
> javax.xml.soap.SOAPElement
> (com.sun.org.apache.xerces.internal.dom.ElementNSImpl is in module java.xml
> of loader 'bootstrap'; javax.xml.soap.SOAPElement is in unnamed module of
> loader 'app')
> at
> org.apache.cxf.binding.soap.saaj.SAAJStreamWriter.adjustOverlaidNode(SAAJStreamWriter.java:67)
> ~[cxf-bundle-2.7.11.jar:2.7.11]
> at
> org.apache.cxf.staxutils.OverlayW3CDOMStreamWriter.writeStartElement(OverlayW3CDOMStreamWriter.java:188)
> ~[cxf-bundle-2.7.11.jar:2.7.11]
> at
> org.apache.cxf.binding.soap.interceptor.SoapOutInterceptor.writeSoapEnvelopeStart(SoapOutInterceptor.java:127)
> ~[cxf-bundle-2.7.11.jar:2.7.11]
> at
> org.apache.cxf.binding.soap.interceptor.SoapOutInterceptor.handleMessage(SoapOutInterceptor.java:86)
> ~[cxf-bundle-2.7.11.jar:2.7.11]
> at
> org.apache.cxf.binding.soap.interceptor.SoapOutInterceptor.handleMessage(SoapOutInterceptor.java:66)
> ~[cxf-bundle-2.7.11.jar:2.7.11]
> at
> org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:272)
> ~[cxf-bundle-2.7.11.jar:2.7.11]
> at org.apache.cxf.endpoint.ClientImpl.doInvoke(ClientImpl.java:570)
> ~[cxf-bundle-2.7.11.jar:2.7.11]
> at org.apache.cxf.endpoint.ClientImpl.invoke(ClientImpl.java:479)
> ~[cxf-bundle-2.7.11.jar:2.7.11]
> at org.apache.cxf.endpoint.ClientImpl.invoke(ClientImpl.java:382)
> ~[cxf-bundle-2.7.11.jar:2.7.11]
> at org.apache.cxf.endpoint.ClientImpl.invoke(ClientImpl.java:335)
> ~[cxf-bundle-2.7.11.jar:2.7.11]
> at
> org.apache.cxf.frontend.ClientProxy.invokeSync(ClientProxy.java:96)
> ~[cxf-bundle-2.7.11.jar:2.7.11]
> at
> org.apache.cxf.jaxws.JaxWsClientProxy.invoke(JaxWsClientProxy.java:135)
> ~[cxf-bundle-2.7.11.jar:2.7.11]
> {code}
> I am using cxf-bundle 2.7.18 and cxf-codegen 3.4.2. Also I am using
> org.jvnet.jaxb2.maven2:maven-jaxb2-plugin:0.14.0.
> Java version : open-jdk 11.0.5
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