JBoss EAP 7.x SOAP call errors

Issue

After applying the 7.2.7 patch in our development and staging environment, we are facing some errors related to the SOAP calls.

13:16:38,812 WARN  [org.apache.cxf.phase.PhaseInterceptorChain] (default task-1) Interceptor for {http://www.example.com/path/schemas}BeanSoapControllerService#{http://www.example.com/path/schemas}Bean_Operation has thrown exception, unwinding now: java.lang.NullPointerException
        at com.sun.xml.bind.v2.runtime.MarshallerImpl.setProperty(MarshallerImpl.java:492)
        at org.apache.cxf.common.jaxb.JAXBUtils.setEscapeHandler(JAXBUtils.java:1567)
        at org.apache.cxf.jaxb.io.DataWriterImpl.lambda$createMarshaller$0(DataWriterImpl.java:138)
        at org.apache.cxf.jaxb.JAXBDataBinding.applyEscapeHandler(JAXBDataBinding.java:271)
        at org.apache.cxf.jaxb.io.DataWriterImpl.createMarshaller(DataWriterImpl.java:138)
        at org.apache.cxf.jaxb.io.DataWriterImpl.write(DataWriterImpl.java:239)
        at org.apache.cxf.interceptor.AbstractOutDatabindingInterceptor.writeParts(AbstractOutDatabindingInterceptor.java:118)
        at org.apache.cxf.wsdl.interceptors.BareOutInterceptor.handleMessage(BareOutInterceptor.java:68)
        at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308)
        at org.apache.cxf.interceptor.OutgoingChainInterceptor.handleMessage(OutgoingChainInterceptor.java:90)
        at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308)
        at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121)
        at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:267)
        at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234)
        at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208)
        at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160)
        at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:216)
        at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:301)
        at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:220)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:706)
        at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:276)
        at io.undertow.servlet.handlers.ServletHandler.handleRequest(ServletHandler.java:74)
        at io.undertow.servlet.handlers.FilterHandler$FilterChainImpl.doFilter(FilterHandler.java:129)