We are using vmware.vcloud.suite libraries for getting the SSO connections and accessing content library and inside the library only we are getting the exception.
at com.vmware.sso.client.samples.AcquireBearerTokenByUserCredentialSample.getToken(AcquireBearerTokenByUserCredentialSample.java:178) ~[ssosamples.jar:?]
at com.vmware.vcloud.suite.samples.common.SSOConnection.login(SSOConnection.java:74) ~[vcloudsuite-client-samples-6.0.0.jar:?]