@Bean public ServletContextAttributeExporter servletContextAttributeExporter() { ServletContextAttributeExporter exporter = new ServletContextAttributeExporter(); exporter.setAttributes( ImmutableMap.<String, Object>builder() .put(Pac4jClient.GOOGLE_OAUTH2.getClientKey(), googleClient()) .put(Pac4jClient.GITHUB.getClientKey(), gitHubClient()) .put(Pac4jClient.TWITTER.getClientKey(), twitterClient()) .build() ); return exporter; }