[GSS](7.3.z) CXF-8596 - Fix infinite loop in WebFaultOutInterceptor

    public String proxyException(String input) throws SOAPFaultException {
        try {
            Integer.parseInt(input);
        } catch (Exception e) {
            throw new SOAPFaultException(
                    createSOAPFault(new EchoException("exception from testException()")));
        }
        return "DONE";
    }

    private SOAPFault createSOAPFault(Throwable ex) {
        try {
            SOAPFault soapFault = SOAPFactory.newInstance(SOAPConstants.SOAP_1_1_PROTOCOL).createFault();
            soapFault.setFaultCode(new QName(SOAPConstants.URI_NS_SOAP_ENVELOPE, "Server", "a"));
            soapFault.setFaultString("SOAPFaultString");
            soapFault.setFaultActor("ServerSide");
            soapFault.addDetail();
            return soapFault;
        } catch (SOAPException e) {
            throw new RuntimeException(e);
        }
    }