[jira] [Created] (AMBARI-13195) Stack advisor error: argument of type 'NoneType' is not iterable

["Aleksandr Kovalenko (JIRA)" <ji...@apache.org>]

Aleksandr Kovalenko created AMBARI-13195:
--------------------------------------------

             Summary: Stack advisor error: argument of type 'NoneType' is not iterable
                 Key: AMBARI-13195
                 URL: https://issues.apache.org/jira/browse/AMBARI-13195
             Project: Ambari
          Issue Type: Bug
          Components: ambari-web
            Reporter: Aleksandr Kovalenko
            Priority: Blocker
             Fix For: 2.1.2


Upgraded from 2.0.2 -> 2.1.2 and tried to perform RU. YARN pre-check requires to set yarn.timeline-service.recovery.enabled to true. When I try to do that, I get stack advisor error

{code}
Recommendations: {'yarn.nodemanager.container-executor.class': 'org.apache.hadoop.yarn.server.nodemanager.DefaultContainerExecutor', 'yarn.scheduler.minimum-allocation-vcores': '1', 'yarn.scheduler.maximum-allocation-vcores': '3', 'yarn.nodemanager.resource.memory-mb': '12288', 'yarn.scheduler.minimum-allocation-mb': '3072', 'yarn.nodemanager.resource.cpu-vcores': '3', 'yarn.scheduler.maximum-allocation-mb': '12288', 'yarn.nodemanager.linux-container-executor.group': 'hadoop'}
********

Error occured in stack advisor.
Error details: argument of type 'NoneType' is not iterable
21 Sep 2015 16:11:02,579  INFO [qtp-client-24] 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 115, in main
    result = stackAdvisor.validateConfigurations(services, hosts)
  File "/var/lib/ambari-server/resources/scripts/../stacks/stack_advisor.py", line 463, in validateConfigurations
    validationItems = self.getConfigurationsValidationItems(services, hosts)
  File "/var/lib/ambari-server/resources/scripts/./../stacks/HDP/2.0.6/services/stack_advisor.py", line 555, in getConfigurationsValidationItems
    resultItems = method(siteProperties, siteRecommendations, configurations, services, hosts)
  File "/var/lib/ambari-server/resources/scripts/./../stacks/HDP/2.0.6/services/stack_advisor.py", line 972, in validateYARNConfigurations
    {"config-name": 'yarn.nodemanager.linux-container-executor.group', "item": self.validatorEqualsPropertyItem(properties, "yarn.nodemanager.linux-container-executor.group", clusterEnv, "user_group")},
  File "/var/lib/ambari-server/resources/scripts/./../stacks/HDP/2.0.6/services/stack_advisor.py", line 890, in validatorEqualsPropertyItem
    if not propertyName2 in properties2:
TypeError: argument of type 'NoneType' is not iterable
21 Sep 2015 16:11:02,580  WARN [qtp-client-24] AbstractResourceProvider:90 - Error occurred during validation
org.apache.ambari.server.api.services.stackadvisor.StackAdvisorException: Stack Advisor reported an error: TypeError: argument of type 'NoneType' is not iterable
StdOut file: /var/run/ambari-server/stack-recommendations/5/stackadvisor.out

StdErr file: /var/run/ambari-server/stack-recommendations/5/stackadvisor.err
        at org.apache.ambari.server.api.services.stackadvisor.StackAdvisorRunner.runScript(StackAdvisorRunner.java:96)
        at org.apache.ambari.server.api.services.stackadvisor.commands.StackAdvisorCommand.invoke(StackAdvisorCommand.java:258)
        at org.apache.ambari.server.api.services.stackadvisor.StackAdvisorHelper.validate(StackAdvisorHelper.java:74)
        at org.apache.ambari.server.controller.internal.ValidationResourceProvider.createResources(ValidationResourceProvider.java:85)
        at org.apache.ambari.server.controller.internal.ClusterControllerImpl.createResources(ClusterControllerImpl.java:289)
        at org.apache.ambari.server.api.services.persistence.PersistenceManagerImpl.create(PersistenceManagerImpl.java:76)
{code}



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