RESTSERVICE_INCOMPATIBLE_VERSION_CWOBJ4017E=CWOBJ4017E: The version {0} of WebSphere eXtreme Scale is incompatible with version {1} of the REST data service.
Explanation
The REST data service (wxsrestservice.war) must be the same version as the eXtreme Scale.
User response
Redeploy the wxsrestservice.war file from the install_root/ObjectGrid/restservice/lib directory that matches the eXtreme Scale version.