Rohith Sharma K S created YARN-6982:
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Summary: Potential issue on setting AMContainerSpec#tokenConf to
null before app is completed
Key: YARN-6982
URL: https://issues.apache.org/jira/browse/YARN-6982
Project: Hadoop YARN
Issue Type: Bug
Reporter: Rohith Sharma K S
While reviewing patch for YARN-65, I found that many places
RMAppImpl#submissionContext sets containerLaunchcontext#setTokensConf has been
set to null i.e
{code}
// set the memory free
app.submissionContext.getAMContainerSpec().setTokensConf(null);
{code}
This appears be a issue if application is updated may be because queue move or
lifetime or priority, then submission context will be restored again into state
store. Consider after app update, if RM is restarted then submission context
will have null tokenConf. This could be a potential issue.
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