ERROR: UtilProxySAMLAuthenticatorLookup.retrieveAuthenticationFromCache: Unable to do sso or federation. com.sun.identity.saml2.common.SAML2Exception: Service provider does not support name identifier format urn:oasis:names:tc:SAML:2.0:nameid-format:unspecified.

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Type Status Report

Message Unable to do Single Sign On or Federation.

Description The server encountered an unexpected condition that prevented it from fulfilling the request.

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Apache Tomcat/8.0.53

error logs shows

ERROR: UtilProxySAMLAuthenticatorLookup.retrieveAuthenticationFromCache: Unable to do sso or federation.
com.sun.identity.saml2.common.SAML2Exception: Service provider does not support name identifier format urn:oasis:names:tc:SAML:2.0:nameid-format:unspecified.

change the nameid format