[AMBARI-23995] stack advisor error : UnboundLocalError: local variable 'host' referenced before assignment

• Type: Improvement
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 2.7.0
• Fix Version/s: 2.7.0
• Component/s: stacks
• Labels: pull-request-available
• Assignee: Attila Magyar
• Reporter: Attila Magyar
• Created: 31/May/18 08:45
• Updated: 31/May/18 16:39
• Resolved: 31/May/18 15:26

Description

running hive stack advisor when tez + druid is installed gives

Traceback (most recent call last):
  File "/var/lib/ambari-server/resources/scripts/stack_advisor.py", line 178, in <module>
    main(sys.argv)
  File "/var/lib/ambari-server/resources/scripts/stack_advisor.py", line 132, in main
    result = stackAdvisor.validateConfigurations(services, hosts)
  File "/var/lib/ambari-server/resources/scripts/../stacks/stack_advisor.py", line 1059, in validateConfigurations
    validationItems = self.getConfigurationsValidationItems(services, hosts)
  File "/var/lib/ambari-server/resources/scripts/../stacks/stack_advisor.py", line 1446, in getConfigurationsValidationItems
    recommendations = self.recommendConfigurations(services, hosts)
  File "/var/lib/ambari-server/resources/scripts/../stacks/stack_advisor.py", line 1608, in recommendConfigurations
    servicesList)
  File "/var/lib/ambari-server/resources/scripts/../stacks/stack_advisor.py", line 1549, in recommendConfigGroupsConfigurations
    serviceAdvisor.getServiceConfigurationRecommendations(configurations, cgClusterSummary, cgServices, cgHosts)
  File "/var/lib/ambari-server/resources/stacks/HDP/3.0/services/HIVE/service_advisor.py", line 127, in getServiceConfigurationRecommendations
    recommender.recommendHiveConfigurationsFromHDP30(configurations, clusterData, services, hosts)
  File "/var/lib/ambari-server/resources/stacks/HDP/3.0/services/HIVE/service_advisor.py", line 196, in recommendHiveConfigurationsFromHDP30
    druid_coordinator_host_port = str(host['Hosts']['host_name']) + ":" + str(
UnboundLocalError: local variable 'host' referenced before assignment

Issue Links

• links to: GitHub Pull Request #1426