src/main/java/org/keycloak/protocol/cas/endpoints/ValidateEndpoint.java
@@ -46,10 +46,8 @@ } protected Response successResponse() { StringBuilder sb = new StringBuilder(RESPONSE_OK); sb.append(clientSession.getUserSession().getUser().getUsername()); sb.append("\n"); return Response.ok(sb.toString()).type(MediaType.TEXT_PLAIN).build(); String response = RESPONSE_OK + clientSession.getUserSession().getUser().getUsername() + "\n"; return Response.ok(response).type(MediaType.TEXT_PLAIN).build(); } protected Response errorResponse(CASValidationException e) {