Is Preemptive Digest Authentication Possible?

["Caristi, Joe" <jc...@whisolutions.com>]

I am attempting to configure preemptive authentication for an Axis2 client.  From my research, it seems like the code below should work, but in tcpmon I am still seeing pairs of unauthenticated requests followed by digest requests.  I did find information on populating an authentication data cache for preemptive authentication (http://hc.apache.org/httpcomponents-client-ga/tutorial/html/authentication.html) but this seems to be based on the org.apache.http.client components, not the org.apache.commons.httpclient that is used by Axis2.  I would also assume that Axis2 is doing this for us?

Does anyone know how to make this work?  The service stub in the following code was generated by Axis2 wsdl2java

HttpTransportProperties.Authenticator authenticator = new HttpTransportProperties.Authenticator();
authenticator.setUsername(getUserName());
authenticator.setPassword(getPassword());
authenticator.setAuthSchemes(Arrays.asList(new String[]{HttpTransportProperties.Authenticator.DIGEST}));
authenticator.setPreemptiveAuthentication(true);
Options options = serviceStub._getServiceClient().getOptions();
options.setProperty(HTTPConstants.CONNECTION_TIMEOUT, 72000);
options.setProperty(HTTPConstants.SO_TIMEOUT, 72000);
options.setProperty(HTTPConstants.AUTHENTICATE, authenticator);

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