[keycloak-user] Admin rest api - PUT - client update 500 internal server error

Hi, I am trying to update my client through the following curl request. I am to enable implicit flow. I also tried updating webOrigins and redirectUris but everytime I get 500 Internal server error. curl -ivk -X PUT -H "Authorization: bearer $access_token" -H "Content-Type: application/json" https://$KC_FQDN:$KC_PORT/auth/admin/realms/TEST/clients/$client_id -d '{ "implicitFlowEnabled": true }' Error in keycloak logs – 00:41:53,557 ERROR [org.keycloak.services.error.KeycloakErrorHandler] (default task-7) Uncaught server error: java.lang.NullPointerException at org.keycloak.services.resources.admin.ClientResource.updateClientFromRep(ClientResource.java:584) at org.keycloak.services.resources.admin.ClientResource.update(ClientResource.java:152) I checked the Admin rest api PUT request spec here - https://www.keycloak.org/docs-api/3.4/rest-api/index.html#_clients_resource The client representation from here - https://www.keycloak.org/docs-api/3.4/rest-api/index.html#_clientrepresen... The representation suggests all attributes are optional Keycloak version: 3.4.3.Final Keycloak image: docker.io/jboss/keycloak-openshift:3.4.3.Final How can I update the client through admin rest api. -- Niranjan