public class LoggingHandler implements SOAPHandler<SOAPMessageContext> {
    private static final Logger LOG = LoggerFactory.getLogger(LoggingHandler.class);

    @Override
    public boolean handleMessage(SOAPMessageContext soapMessageContext) {
        boolean isOutBound = (boolean) soapMessageContext.get(SOAPMessageContext.MESSAGE_OUTBOUND_PROPERTY);
        if (isOutBound) {
            LOG.info("### TCCL in SOAPHandler.handleMessage = " + Thread.currentThread().getContextClassLoader().toString());
            new DelegateBean();   // it works 8.0.0 to 8.0.2.1 and 8.0.5+

            // As a workaround, set TCCL to application module class loader for JBEAP-28310, fixed in JBoss EAP 8.0.5
//            ClassLoader old = Thread.currentThread().getContextClassLoader();
//            Thread.currentThread().setContextClassLoader(this.getClass().getClassLoader());
//            new DelegateBean();
//            Thread.currentThread().setContextClassLoader(old);
        }
        return true;
    }

    @Override
    public Set<QName> getHeaders() {
        LOG.info("### TCCL in SOAPHandler.getHeaders = " + Thread.currentThread().getContextClassLoader().toString());
        new DelegateBean();  // In 8.0.3+, java.lang.IllegalStateException: Unable to access CDI 
         // the same workaround for JBEAP-28310 is available
//        ClassLoader old = Thread.currentThread().getContextClassLoader();
//        Thread.currentThread().setContextClassLoader(this.getClass().getClassLoader());
//        new DelegateBean();
//        Thread.currentThread().setContextClassLoader(old);

        return Collections.emptySet();
    }

    @Override
    public boolean handleFault(SOAPMessageContext soapMessageContext) {
        LOG.info("### TCCL in SOAPHandler.handleFault = " + Thread.currentThread().getContextClassLoader().toString());
        new DelegateBean();  // In 8.0.3+, java.lang.IllegalStateException: Unable to access CDI 
    }

    @Override
    public void close(MessageContext messageContext) {
        LOG.info("### TCCL in SOAPHandler.close = " + Thread.currentThread().getContextClassLoader().toString());
        new DelegateBean();  // In 8.0.3+, java.lang.IllegalStateException: Unable to access CDI 
    }
}

@Dependent
public class DelegateBean {
    EmptyBean logic = CDI.current().select(EmptyBean.class).get();
}