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https://issues.apache.org/jira/browse/AMBARI-14540?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15083893#comment-15083893
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Oleksandr Diachenko commented on AMBARI-14540:
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+1 on the patch.
> Fix single node installation issues for HAWQ
> --------------------------------------------
>
> Key: AMBARI-14540
> URL: https://issues.apache.org/jira/browse/AMBARI-14540
> Project: Ambari
> Issue Type: Bug
> Components: stacks
> Affects Versions: trunk
> Reporter: bhuvnesh chaudhary
> Assignee: bhuvnesh chaudhary
> Fix For: trunk
>
> Attachments: AMBARI-14540.patch
>
>
> Single node installation fails, below is the list of issues fixed.
> 1. Stack advisor: List index error - Due to which Next option is disabled on
> UI while chosing master services
> 2. Stack advisor: List Index error - Consistency checks fails
> 3. During Review page, StandbyHost should not be pushed on single node
> clusters.
> {code}
> StackAdvisor implementation for stack PHD, version 3.3 was loaded
> Returning PHD33StackAdvisor implementation
> Error occured in stack advisor.
> Error details: list index out of range
> 31 Dec 2015 23:41:51,917 INFO [qtp-ambari-client-21] 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 106,
> in main
> result = stackAdvisor.validateComponentLayout(services, hosts)
> File "/var/lib/ambari-server/resources/scripts/../stacks/stack_advisor.py",
> line 458, in validateComponentLayout
> validationItems = self.getComponentLayoutValidations(services, hosts)
> File
> "/var/lib/ambari-server/resources/scripts/./../stacks/PHD/3.3/services/stack_advisor.py",
> line 63, in getComponentLayoutValidations
> hawqStandbyHosts = [component["StackServiceComponents"]["hostnames"][0]
> for component in componentsList if
> component["StackServiceComponents"]["component_name"] == "HAWQSTANDBY"]
> IndexError: list index out of range
> {code}
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