There isn't anything of use in the logs you posted. Are you able to post the full log? Also check the stderr log, either in CM or in the process running directory, as I think this is where it posted launch errors. ... View more

My bad, I guess CDH does something to not put the DB connection info into the /etc/hive/conf/hive-site.xml. Check the same file in the HMS process directory. It should be under /var/run/cloudera-scm-agent/process/<procid>-hive-HIVEMETASTORE. This needs to be on the host where HMS is set up to run. This directory should be present even if HMS is failing to run. You can use ls -ltr to get the latest directory if there have been multiple start attempts. You can also grep for "jdbc:" to quickly see if the config is there. ... View more

The db.properties and those settings are for the Cloudera Manager server to connect to its database. The Hive Metastore configs will been in the Hive configuration under the Database filters or directly in the /etc/hive/conf/hive-site.xml. ... View more

Path A with parcels involves adding the parcel repo URL either in the first run Cluster Install wizard or in CM Parcel configs. Choose Software Installation Method and Install Software "Parcel Repository - In the Remote Parcel Repository URLs field, click the button and enter the URL of the repository. The URL you specify is added to the list of repositories listed in the Configuring Cloudera Manager Server Parcel Settings page and a parcel is added to the list of parcels on the Select Repository page. If you have multiple repositories configured, you will see all the unique parcels contained in all your repositories." https://www.cloudera.com/documentation/enterprise/5-4-x/topics/cm_ig_install_path_a.html#cmig_topic_6_5_3 I believe it also asks for a repo when allowing CM to install the CM agent. ... View more

I am confused as to how you are trying to accomplish this install. Are you following path A in the docs? Are you using an installer of some kind? ... View more

From the hosts are you able to access CM over port 7180.  Try access the CM url using curl -v to try to get more information.  The 0 progress indicates that it is trying but failing to download it from the CM server to the cluster hosts. ... View more

That URL does not look correct.  Try the below link.  It contains the CDH 5.12.0 parcel, sha1, and manifest file.   http://archive.cloudera.com/cdh5/parcels/5.12.0/ ... View more