Error authenticating to repository: UCMRepository. Possible cause could include, but is not limited to a bad repository configuration or the repository is unknown. Error message: com.bea.content.RepositoryException: Cannot connect to UCM server associated with repository UCMRepository, at hostname 172.18.0.238, port 4444. Error occurred when calling service PING_SERVER. Error message: oracle.stellent.ridc.protocol.ProtocolException: Unable to initialize connection idc://172.18.0.238:4444. Check the UCM server status to make sure it is running.