[AMBARI-14745] Ambari server throws error when unused configs are present in blueprint

• Type: Bug
• Status: Resolved
• Priority: Critical
• Resolution: Fixed
• Affects Version/s: 2.2.0
• Fix Version/s: 2.2.2
• Component/s: ambari-server
• Assignee: Oliver Szabo
• Reporter: Oliver Szabo
• Created: 20/Jan/16 17:05
• Updated: 05/Feb/16 22:03
• Resolved: 05/Feb/16 16:39

Description

When trying to create unsecure cluster, ambari server throws error when Ranger configs are present in the blueprint.

Error Message seen:
“ [pool-6-thread-1] ERROR org.apache.ambari.server.topology.TopologyManager - TopologyManager.ConfigureClusterTask: An exception occurred while attempting to process cluster configs and set on cluster:
java.lang.IllegalArgumentException: Unable to update configuration property 'policymgr_external_url' with topology information. Component 'RANGER_ADMIN' is mapped to an invalid number of hosts '0'.
at org.apache.ambari.server.controller.internal.BlueprintConfigurationProcessor$SingleHostTopologyUpdater.updateForClusterCreate(BlueprintConfigurationProcessor.java:1270)