Srimanth Gunturi created AMBARI-11194:
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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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