[ 
https://issues.apache.org/jira/browse/YARN-6000?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15773544#comment-15773544
 ] 

Karthik Kambatla commented on YARN-6000:
----------------------------------------

The change in YARN-4997 is not incompatible by itself, since 
AllocationFileLoaderService is marked as Unstable. It would be good to 
understand the requirements from Hive, so we can expose the necessary details 
through Public-Stable API. 

That said, I don't see any harm in making the Listener public in the interim. 

+1, checking this in. 

> Set modifier of interface Listener in AllocationFileLoaderService to public
> ---------------------------------------------------------------------------
>
>                 Key: YARN-6000
>                 URL: https://issues.apache.org/jira/browse/YARN-6000
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: fairscheduler, yarn
>    Affects Versions: 3.0.0-alpha1
>            Reporter: Tao Jie
>            Assignee: Tao Jie
>         Attachments: YARN-6000.001.patch
>
>
> We removed public modifier of {{AllocationFileLoaderService.Listener}} in 
> YARN-4997 since it trigger a findbugs warning. However it breaks Hive code in 
> {{FairSchedulerShim}}. 
> {code}
> AllocationFileLoaderService allocsLoader = new AllocationFileLoaderService();
>     allocsLoader.init(conf);
>     allocsLoader.setReloadListener(new AllocationFileLoaderService.Listener() 
> {
>       @Override
>       public void onReload(AllocationConfiguration allocs) {
>         allocConf.set(allocs);
>       }
>     });
>     try {
>       allocsLoader.reloadAllocations();
>     } catch (Exception ex) {
>       throw new IOException("Failed to load queue allocations", ex);
>     }
>     if (allocConf.get() == null) {
>       allocConf.set(new AllocationConfiguration(conf));
>     }
>     QueuePlacementPolicy queuePolicy = allocConf.get().getPlacementPolicy();
>     if (queuePolicy != null) {
>       requestedQueue = queuePolicy.assignAppToQueue(requestedQueue, userName);
> {code}
> As a result we should set the modifier back to public.



--
This message was sent by Atlassian JIRA
(v6.3.4#6332)

---------------------------------------------------------------------
To unsubscribe, e-mail: [email protected]
For additional commands, e-mail: [email protected]

Reply via email to