Ray Chiang commented on YARN-2275:

Oh, I see what you mean now.  So, you'd prefer that a proper patch would grab 
the full information from the configuration file (currently not possible) 
rather than cobble together the two pieces of information (the config has the 
proper host in one piece and the proper port, but not the proper IP, in another 

Given that restriction, I'll agree that such a patch is not possible without 
having the proper NM configuration info on the same node as the 

And I'm open to other suggestions or compromises.  I'd like to get something 
that points to an understandable URL for customers rather than the "nothing at 
this port" that the message currently provides.

> When log aggregation not enabled, message should point to NM HTTP port, not 
> IPC port 
> -------------------------------------------------------------------------------------
>                 Key: YARN-2275
>                 URL: https://issues.apache.org/jira/browse/YARN-2275
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: log-aggregation
>    Affects Versions: 2.0.4-alpha
>            Reporter: Sandy Ryza
>            Assignee: Ray Chiang
>              Labels: usability
>         Attachments: MAPREDUCE5185-01.patch
> When I try to get a container's logs in the JHS without log aggregation 
> enabled, I get a message that looks like this:
> "Aggregation is not enabled. Try the nodemanager at sandy-ThinkPad-T530:33224"
> This could be a lot more helpful by actually pointing the URL that would show 
> the container logs on the NM.

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