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https://issues.apache.org/jira/browse/YARN-1835?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Zhijie Shen updated YARN-1835:
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Issue Type: Sub-task (was: Bug)
Parent: YARN-321
> History client service needs to be more robust
> ----------------------------------------------
>
> Key: YARN-1835
> URL: https://issues.apache.org/jira/browse/YARN-1835
> Project: Hadoop YARN
> Issue Type: Sub-task
> Reporter: Zhijie Shen
> Assignee: Zhijie Shen
>
> While doing the test, I've found the following issues so far:
> 1. The history file not found exception is exposed to the user directly,
> which is better to be caught and translated into ApplicationNotFound.
> 2. NPE will be exposed as well, since ApplicationHistoryManager doesn't do
> necessary null check.
> In addition, TestApplicationHistoryManagerImpl missed to test most
> ApplicationHistoryManager methods.
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