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Posted to yarn-issues@hadoop.apache.org by "Rohith Sharma K S (JIRA)" <ji...@apache.org> on 2018/06/01 10:29:00 UTC
[jira] [Commented] (YARN-8372) ApplicationAttemptNotFoundException
should be handled correctly by Distributed Shell App Master
[ https://issues.apache.org/jira/browse/YARN-8372?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16497823#comment-16497823 ]
Rohith Sharma K S commented on YARN-8372:
-----------------------------------------
Thanks [~suma.shivaprasad] for the patch. Approach looks good to me. Would you look at test and checkstyle errors?
> ApplicationAttemptNotFoundException should be handled correctly by Distributed Shell App Master
> -----------------------------------------------------------------------------------------------
>
> Key: YARN-8372
> URL: https://issues.apache.org/jira/browse/YARN-8372
> Project: Hadoop YARN
> Issue Type: Bug
> Components: distributed-shell
> Reporter: Charan Hebri
> Assignee: Suma Shivaprasad
> Priority: Major
> Attachments: YARN-8372.1.patch, YARN-8372.2.patch
>
>
> {noformat}
> try {
> response = client.allocate(progress);
> } catch (ApplicationAttemptNotFoundException e) {
> handler.onShutdownRequest();
> LOG.info("Shutdown requested. Stopping callback.");
> return;{noformat}
> is a code snippet from AMRMClientAsyncImpl. The corresponding onShutdownRequest call for the Distributed Shell App master,
> {noformat}
> @Override
> public void onShutdownRequest() {
> done = true;
> }{noformat}
> Due to the above change, the current behavior is that whenever an application attempt fails due to a NM restart (NM where the DS AM is running), an ApplicationAttemptNotFoundException is thrown and all containers for that attempt including the ones that are running on other NMs are killed by the AM and marked as COMPLETE. The subsequent attempt spawns new containers just like a new attempt. This behavior is different to a Map Reduce application where the containers are not killed.
> cc [~rohithsharma]
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