As HortonWorks partner we have tested this an confirm the error. HDP-2.5.3.0, Ambari Version2.4.2.0 and Falcon 0.10.0 using distro Ubuntu 14.0.4 HDP-2.5.3.0, Ambari Version2.4.1.0 and Falcon 0.10.0 using distro CentOS 7 If i am not mistaken this problem did NOT occur on
HDP 2.5.0.0-1245 During install i get warning on one of the slave nodes resource_management.core.exceptions.ExecutionFailed: Execution of '/usr/hdp/current/falcon-client/bin/falcon admin -version' returned 255. ERROR: Unable to initialize Falcon Client object. Cause : Could not authenticate, Authentication failed, URL: http://master2.localhost:15000/api/options?user.name=ambari-qa&user.name=ambari-qa, status: 503, message: Service Unavailable
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