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https://issues.apache.org/jira/browse/KYLIN-923?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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ZhouQianhao resolved KYLIN-923.
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Resolution: Fixed
> FetcherRunner will never run again if encountered exception during running
> --------------------------------------------------------------------------
>
> Key: KYLIN-923
> URL: https://issues.apache.org/jira/browse/KYLIN-923
> Project: Kylin
> Issue Type: Bug
> Components: Job Engine
> Affects Versions: v0.7.2
> Reporter: sunyerui
> Assignee: ZhouQianhao
> Attachments: KYLIN-923-0.7-staging.patch, KYLIN-923-0.8.patch,
> KYLIN-923.patch
>
>
> {{FetcherRunner}} was scheduled at fix rate in {{fetcherPool}} which is a
> {{ScheduledExecutorService}}. In every running, {{FetcherRunner}} fetch all
> jobs from {{executableManager}}, and submit READY jobs to execute.
> If exceptions encountered during running, such as
> {{executableManager.getAllJobIds()}} or {{executableManager.getAllJobIds()}},
> the {{FetcherRunner}} will never run again in {{fetcherPool}}, that was
> explained in comment of {{ScheduledExecutorService.scheduleAtFixedRate}}.
> The solution to resolve this issue is simple, that catch all {{Exception}}
> during {{FetcherRunner.run()}}. I will upload a patch later.
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