[AMBARI-16072] Stack Advisor issue when adding service to Kerberized cluster

• Type: Bug
• Status: Resolved
• Priority: Critical
• Resolution: Fixed
• Affects Version/s: 2.2.2
• Fix Version/s: 2.4.0
• Component/s: ambari-server
• Labels: kerberos
• Assignee: Robert Levas
• Reporter: Robert Levas
• Due: 24/Apr/16
• Created: 22/Apr/16 19:03
• Updated: 13/May/16 22:03
• Resolved: 13/May/16 18:46

Description

When adding a service to a Kerberized cluster and click install nothing happens on the UI and i see the following error in the ambari server logs

20 Apr 2016 16:03:56,818  INFO [qtp-ambari-client-2764] KerberosHelperImpl:735 - Adding identity for JOURNALNODE to auth to local mapping
20 Apr 2016 16:03:56,818  INFO [qtp-ambari-client-2764] KerberosHelperImpl:735 - Adding identity for METRICS_COLLECTOR to auth to local mapping
20 Apr 2016 16:03:56,857  INFO [qtp-ambari-client-2764] StackAdvisorRunner:47 - Script=/var/lib/ambari-server/resources/scripts/stack_advisor.py, actionDirectory=/var/run/ambari-server/stack-recommendations/323, command=recommend-configurations
20 Apr 2016 16:03:56,860  INFO [qtp-ambari-client-2764] StackAdvisorRunner:61 - Stack-advisor output=/var/run/ambari-server/stack-recommendations/323/stackadvisor.out, error=/var/run/ambari-server/stack-recommendations/323/stackadvisor.err
20 Apr 2016 16:03:56,917  INFO [qtp-ambari-client-2764] StackAdvisorRunner:69 - Stack advisor output files
20 Apr 2016 16:03:56,917  INFO [qtp-ambari-client-2764] StackAdvisorRunner:70 -     advisor script stdout: StackAdvisor implementation for stack HDP, version 2.0.6 was loaded
StackAdvisor implementation for stack HDP, version 2.1 was loaded
StackAdvisor implementation for stack HDP, version 2.2 was loaded
StackAdvisor implementation for stack HDP, version 2.3 was loaded
StackAdvisor implementation for stack HDP, version 2.4 was loaded
Returning HDP24StackAdvisor implementation
Error occured in stack advisor.
Error details: 'NoneType' object is not iterable
20 Apr 2016 16:03:56,917  INFO [qtp-ambari-client-2764] StackAdvisorRunner:71 -     advisor script stderr: Traceback (most recent call last):
  File "/var/lib/ambari-server/resources/scripts/stack_advisor.py", line 158, in <module>
    main(sys.argv)
  File "/var/lib/ambari-server/resources/scripts/stack_advisor.py", line 109, in main
    result = stackAdvisor.recommendConfigurations(services, hosts)
  File "/var/lib/ambari-server/resources/scripts/../stacks/stack_advisor.py", line 570, in recommendConfigurations
    calculation(configurations, clusterSummary, services, hosts)
  File "/var/lib/ambari-server/resources/scripts/./../stacks/HDP/2.0.6/services/stack_advisor.py", line 627, in recommendAmsConfigurations
    if set(amsCollectorHosts).intersection(dn_hosts):
TypeError: 'NoneType' object is not iterable
20 Apr 2016 16:03:56,918  INFO [qtp-ambari-client-2764] AbstractResourceProvider:802 - Caught an exception while updating host components, retrying : org.apache.ambari.server.AmbariException: Stack Advisor reported an error: TypeError: 'NoneType' object is not iterable
StdOut file: /var/run/ambari-server/stack-recommendations/323/stackadvisor.out

StdErr file: /var/run/ambari-server/stack-recommendations/323/stackadvisor.err

Solution
Pass to the stack advisor information about all installed services where each component is installed (component host map)

Issue Links

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