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https://issues.apache.org/jira/browse/AMBARI-21173?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Vitaly Brodetskyi updated AMBARI-21173:
---------------------------------------
Attachment: AMBARI-21173.patch
> Not able to start Yarn services after restoring the configs to initial value
> ----------------------------------------------------------------------------
>
> Key: AMBARI-21173
> URL: https://issues.apache.org/jira/browse/AMBARI-21173
> Project: Ambari
> Issue Type: Bug
> Affects Versions: 3.0.0
> Reporter: Sumana Sathish
> Assignee: Vitaly Brodetskyi
> Priority: Blocker
> Fix For: 3.0.0
>
> Attachments: AMBARI-21173.patch
>
>
> Change Yarn-site.xml to some custom configs and restart Yarn
> Restore it back to the origin config; Restart fails
> {Code}
> Traceback (most recent call last):
> File
> "/var/lib/ambari-agent/cache/common-services/YARN/3.0.0.3.0/package/scripts/nodemanager.py",
> line 106, in <module>
> Nodemanager().execute()
> File
> "/usr/lib/python2.6/site-packages/resource_management/libraries/script/script.py",
> line 330, in execute
> method(env)
> File
> "/usr/lib/python2.6/site-packages/resource_management/libraries/script/script.py",
> line 835, in restart
> self.stop(env, upgrade_type=upgrade_type)
> File
> "/var/lib/ambari-agent/cache/common-services/YARN/3.0.0.3.0/package/scripts/nodemanager.py",
> line 45, in stop
> import params
> File
> "/var/lib/ambari-agent/cache/common-services/YARN/3.0.0.3.0/package/scripts/params.py",
> line 29, in <module>
> from params_linux import *
> File
> "/var/lib/ambari-agent/cache/common-services/YARN/3.0.0.3.0/package/scripts/params_linux.py",
> line 39, in <module>
> import status_params
> File
> "/var/lib/ambari-agent/cache/common-services/YARN/3.0.0.3.0/package/scripts/status_params.py",
> line 46, in <module>
> yarn_pid_dir = format("{yarn_pid_dir_prefix}/{yarn_user}")
> File
> "/usr/lib/python2.6/site-packages/resource_management/libraries/functions/format.py",
> line 95, in format
> return ConfigurationFormatter().format(format_string, args, **result)
> File
> "/usr/lib/python2.6/site-packages/resource_management/libraries/functions/format.py",
> line 59, in format
> result_protected = self.vformat(format_string, args, all_params)
> File "/usr/lib64/python2.7/string.py", line 549, in vformat
> result = self._vformat(format_string, args, kwargs, used_args, 2)
> File "/usr/lib64/python2.7/string.py", line 582, in _vformat
> result.append(self.format_field(obj, format_spec))
> File "/usr/lib64/python2.7/string.py", line 599, in format_field
> return format(value, format_spec)
> File
> "/usr/lib/python2.6/site-packages/resource_management/libraries/script/config_dictionary.py",
> line 73, in __getattr__
> raise Fail("Configuration parameter '" + self.name + "' was not found in
> configurations dictionary!")
> resource_management.core.exceptions.Fail: Configuration parameter 'yarn-env'
> was not found in configurations dictionary!
> {Code}
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