// Disable the STSClient after the first invocation
if (i > 0) {
BindingProvider p = (BindingProvider)transportPort;
STSClient stsClient = new STSClient(null);
stsClient.setOnBehalfOf(new ReceivedTokenCallbackHandler());
p.getRequestContext().put(SecurityConstants.STS_CLIENT, stsClient);
}
i++;
return transportPort.doubleIt(numberToDouble);