Web Service client rarely got NullPointerException inside Apache CXF code included in EAP 6.x and 7.x

Solution Unverified - Updated -

Issue

Web Service client rarely failed with the following NullPointerException in Apache CXF included in EAP 6.x and 7.x:

java.lang.NullPointerException
    at org.apache.cxf.common.jaxb.JAXBUtils.createJAXBContextProxy(JAXBUtils.java:1425)
    at org.apache.cxf.jaxb.JAXBDataBinding.checkForJAXBAnnotations(JAXBDataBinding.java:433)
    at org.apache.cxf.jaxb.JAXBDataBinding.justCheckForJAXBAnnotations(JAXBDataBinding.java:427)
    at org.apache.cxf.jaxb.JAXBDataBinding.initialize(JAXBDataBinding.java:363)
    at org.apache.cxf.service.factory.AbstractServiceFactoryBean.initializeDataBindings(AbstractServiceFactoryBean.java:86)
    at org.apache.cxf.service.factory.ReflectionServiceFactoryBean.buildServiceFromWSDL(ReflectionServiceFactoryBean.java:446)
    at org.apache.cxf.service.factory.ReflectionServiceFactoryBean.initializeServiceModel(ReflectionServiceFactoryBean.java:548)
    at org.apache.cxf.service.factory.ReflectionServiceFactoryBean.create(ReflectionServiceFactoryBean.java:265)
    at org.apache.cxf.jaxws.support.JaxWsServiceFactoryBean.create(JaxWsServiceFactoryBean.java:215)
    at org.apache.cxf.frontend.AbstractWSDLBasedEndpointFactory.createEndpoint(AbstractWSDLBasedEndpointFactory.java:102)
    at org.apache.cxf.frontend.ClientFactoryBean.create(ClientFactoryBean.java:91)
    at org.apache.cxf.frontend.ClientProxyFactoryBean.create(ClientProxyFactoryBean.java:157)
    at org.apache.cxf.jaxws.JaxWsProxyFactoryBean.create(JaxWsProxyFactoryBean.java:142)
    at org.apache.cxf.jaxws.ServiceImpl.createPort(ServiceImpl.java:478)
    at org.jboss.wsf.stack.cxf.client.ProviderImpl$JBossWSServiceImpl.createPort(ProviderImpl.java:558)
    at org.apache.cxf.jaxws.ServiceImpl.getPort(ServiceImpl.java:329)
    at org.apache.cxf.jaxws.ServiceImpl.getPort(ServiceImpl.java:324)
    at javax.xml.ws.Service.getPort(Service.java:168) [jboss-jaxws-api_2.2_spec-2.0.2.Final-redhat-1.jar:2.0.2.Final-redhat-1]
        ...(snip)...

Environment

  • Red Hat JBoss Enterprise Application Platform (EAP)
    • 6.x
    • 7.x
  • Apache CXF

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