Gera Shegalov commented on YARN-2934:

Hi [~xgong], 
bq. we already have a Environment.LOG_DIRS env which returns a comma separated 
list of log-dirs.

I am aware of this. However, each app is free to pump their standard error "2>" 
in any file under this dir. 

> Improve handling of container's stderr 
> ---------------------------------------
>                 Key: YARN-2934
>                 URL: https://issues.apache.org/jira/browse/YARN-2934
>             Project: Hadoop YARN
>          Issue Type: Improvement
>            Reporter: Gera Shegalov
>            Assignee: Naganarasimha G R
> Most YARN applications redirect stderr to some file. That's why when 
> container launch fails with {{ExitCodeException}} the message is empty.

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