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https://issues.apache.org/jira/browse/YARN-1214?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13771353#comment-13771353
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Bikas Saha commented on YARN-1214:
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We can probably return a client token in getApplicationReport after the app is
saved. So RMAppAttemtptImpl.getClientToken() and other methods like it should
return null until app has been saved. This might be simpler.
> Register ClientToken MasterKey in SecretManager after it is saved
> -----------------------------------------------------------------
>
> Key: YARN-1214
> URL: https://issues.apache.org/jira/browse/YARN-1214
> Project: Hadoop YARN
> Issue Type: Sub-task
> Components: resourcemanager
> Reporter: Jian He
> Assignee: Jian He
>
> Currently, app attempt ClientToken master key is registered before it is
> saved. This can cause problem that before the master key is saved, client
> gets the token and RM also crashes, RM cannot reloads the master key back
> after it restarts as it is not saved. As a result, client is holding an
> invalid token.
> We can register the client token master key after it is saved in the store.
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