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From "Srimanth Gunturi (JIRA)" <j...@apache.org>
Subject [jira] [Created] (AMBARI-11194) UI calls to /validations endpoint provides empty host-to-component mappings on large clusters
Date Sun, 17 May 2015 01:58:00 GMT
Srimanth Gunturi created AMBARI-11194:
-----------------------------------------

             Summary: UI calls to /validations endpoint provides empty host-to-component mappings
on large clusters
                 Key: AMBARI-11194
                 URL: https://issues.apache.org/jira/browse/AMBARI-11194
             Project: Ambari
          Issue Type: Bug
          Components: ambari-web
    Affects Versions: 2.0.1
            Reporter: Srimanth Gunturi
            Assignee: Srimanth Gunturi
            Priority: Blocker
             Fix For: 2.0.1


Setup a large cluster (>100 hosts) using Ambari-2.0.1 and after install go to HDFS service
and change a config and save. The below exception will be hit during configs validation phase
{noformat}

Stack_advisor.out:

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
Returning HDP22StackAdvisor implementation
Error occured in stack advisor.
Error details: u'c6401.ambari.apache.org'

stack_advisor.err:

Traceback (most recent call last):
  File "/var/lib/ambari-server/resources/scripts/stack_advisor.py", line 146, in <module>
    main(sys.argv)
  File "/var/lib/ambari-server/resources/scripts/stack_advisor.py", line 105, in main
    result = stackAdvisor.validateConfigurations(services, hosts)
  File "/var/lib/ambari-server/resources/scripts/../stacks/stack_advisor.py", line 445, in
validateConfigurations
    validationItems = self.getConfigurationsValidationItems(services, hosts)
  File "/var/lib/ambari-server/resources/scripts/./../stacks/HDP/2.0.6/services/stack_advisor.py",
line 275, in getConfigurationsValidationItems
    clusterWideItems = self.validateClusterConfigurations(configurations, services, hosts)
  File "/var/lib/ambari-server/resources/scripts/./../stacks/HDP/2.0.6/services/stack_advisor.py",
line 294, in validateClusterConfigurations
    requiredMemory = getMemorySizeRequired(hostComponents[host["Hosts"]["host_name"]], configurations)
KeyError: u'c6401.ambari.apache.org'
{noformat}

Configs will not be saved.



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