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Posted to yarn-dev@hadoop.apache.org by "Seth Call (JIRA)" <ji...@apache.org> on 2018/08/16 21:12:00 UTC
[jira] [Created] (YARN-8674) MiniClusters do not expose
ResourceManager REST APIs
Seth Call created YARN-8674:
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Summary: MiniClusters do not expose ResourceManager REST APIs
Key: YARN-8674
URL: https://issues.apache.org/jira/browse/YARN-8674
Project: Hadoop YARN
Issue Type: Bug
Components: resourcemanager
Affects Versions: 2.8.2, 2.6.5
Reporter: Seth Call
When I use a mini cluster that starts ResourceManager (say MiniYARNCluster), I can not access /ws/v1/cluster/info?
It will fail with a 'controller v1 not found'.
However, I did notice something: when the cluster is starting, for just a *split second* it works, and then it permanently goes away.
This leads me to believe that the problem here is that because there are so many YARN components running in the same process, there are multiple Guice injectors (this warning statement does show), and so due to a hard to understanding startup/configuration issue, the @Path of RMWebServices gets overwritten as other components start up.
That's just my guess.
I tried creating a MiniCluster with 0 Resource Managers (with the idea that I'd create a second one with no node managers), but that does not work. Any workarounds would be greatly appreciated!
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