[ https://issues.apache.org/jira/browse/AMBARI-21173?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Vitaly Brodetskyi updated AMBARI-21173: --------------------------------------- Resolution: Fixed Status: Resolved (was: Patch Available) Committed to trunk > 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 > Components: ambari-server > 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} -- This message was sent by Atlassian JIRA (v6.4.14#64029)