@chaouki trabelsi simply run "ambari-agent start" command. if you are attempting that command with non-root user then switch to root user and try again. ... View more

@Shobhna Dhami 1. Make sure you replace cluster1 with the actual cluster name. 2. Format should be "old_host_name" : "new_host_name". If still fails then check ambari-server log for any clues - if not abel to resolve then post the error message from the logs here. ... View more

@Harry Li Can you show the content of /etc/hosts/ file? For your hostname there should be associated IP address. Ex: 127.0.0.1 localhost 172.26.96.94 msl-dpe-perf74.msl.lab ... View more

You can execute below SQL and try again. GRANT ALL PRIVILEGES ON hive.* TO 'hive'@'msl-dpe-perf74.msl.lab'IDENTIFIED BY 'hive' ... View more

@Harry Li, you can grant access to hive user from any host. Connect as a root user and run the below SQL statement. GRANT ALL PRIVILEGES ON hive.* TO 'hive'@'localhost' IDENTIFIED BY 'hive'; GRANT ALL PRIVILEGES ON hive.* TO 'hive'@'<FQDN_of_Mysql>'IDENTIFIED BY 'hive'; More on that can be found at https://stackoverflow.com/questions/8348506/grant-remote-access-of-mysql-database-from-any-ip-address ... View more

@Harry Li are you trying from same host where metastore is failed to come up? can you try simple command line JDBC connect using https://community.hortonworks.com/articles/88645/how-to-test-mysql-jdbc-connection-through-cli.html and see? ... View more

@Harry Li Looks like still Hive is unable to connect to mysql database - can you manually connect and check? use the below command to connect. mysql -u USERNAME -pPASSWORD -h HOSTNAMEORIP DATABASENAME ... View more

@Jonathan Hurley it is yarn_app_timeline_server_webui alert. for some reason alert_source had incorrect value. ... View more

@Anitha R sorry for late reply - am not available currently. these steps are only for CA signed certs at server side and client certs are generated dynamically. ... View more