This is permission issue for postgresql user, I faced this issue on docker environment, I managed it by using Mariadb as Database for Ambari. You need to manage user and permission very carefully with Postgresql. (Using mariadb its easy) ... View more

[ RESOLVED ] Gone through same issue only when we are using oVirt Virtualization For our cluster deployment. Only following solution resolved the problem (Thanks to @bing lv and @Deven Fan: By adding below config in [security] section of vi /etc/ambari-agent/conf/ambari-agent.ini force_https_protocol=PROTOCOL_TLSv1_2 vi /etc/python/cert-verification.cfg [https] verify=disable ... View more

[ RESOLVED ] Gone through same issue only when we are using oVirt Virtualization For our cluster deployment. Only following solution resolved the problem (Thanks to @bing lv and @Deven Fan: By adding below config in [security] section of vi /etc/ambari-agent/conf/ambari-agent.ini force_https_protocol=PROTOCOL_TLSv1_2 vi /etc/python/cert-verification.cfg [https] verify=disable ... View more