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https://issues.apache.org/jira/browse/KYLIN-5762?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17831152#comment-17831152
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pengfei.zhan commented on KYLIN-5762:
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h1. Design
If the parameter `kylin.job.max-concurrent-jobs` is less than 1, then creating
the default thread pool with corePoolSize=1.
If the parameter `kylin.job.max-concurrent-jobs` is equal or less than 0, all
the tasks will be suspended.
Validating the parameter value when configuring it in the page of project
setting, with the value is less than 0, an error will be reported directly:
illegal negative number.
> Initialize job scheduler encounters NPE
> ---------------------------------------
>
> Key: KYLIN-5762
> URL: https://issues.apache.org/jira/browse/KYLIN-5762
> Project: Kylin
> Issue Type: Bug
> Components: Job Engine
> Affects Versions: 5.0-beta
> Reporter: pengfei.zhan
> Assignee: pengfei.zhan
> Priority: Major
> Fix For: 5.0-beta
>
>
> Given `kylin.job.max-concurrent-jobs=0`, the initialization of job scheduler
> encounters NPE.
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