How to login sso in knox via rest api

[Jeff Zhang]

I'd like to call rest api of zeppelin behind knox. The following code works
if I didn't enable knox sso. But it won't work if I enabled sso, does
anyone know can I call zeppelin rest api in this case ? Thanks

response = 
Unirest.get("https://localhost:8443/gateway/sandbox/zeppelin/api/notebook";)
        .basicAuth("guest", "guest-password")
        .asString();
System.out.println(response.getBody());

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Best Regards

Jeff Zhang