If cluster is installed with Ambari 2.5 , Upgrading to Ambari2.6.x cause service re-start ( client) failure and Add service also fails with installation.
2018-09-15 08:37:13,748 - Looking for matching packages in the following repositories: HDP-2.6, HDP-UTILS-1.1.0.21 2018-09-15
08:37:15,841 - No package found for hive_${stack_version}(hive_(\d|_)+$) 2018-09-15
08:37:15,844 - The repository with version 2.6.1.0-129 for this command has been marked as resolved. It will be used to report the version of the component which was installed