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https://issues.apache.org/jira/browse/KYLIN-3584?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16630845#comment-16630845
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Ted Yu commented on KYLIN-3584:
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DefaultScheduler#init is not involved in {{createInstance}}.
What happens when an un-initialized INSTANCE is handed to the caller of
getInstance ?
> Incorrect lazy initialization of DefaultScheduler.INSTANCE
> ----------------------------------------------------------
>
> Key: KYLIN-3584
> URL: https://issues.apache.org/jira/browse/KYLIN-3584
> Project: Kylin
> Issue Type: Bug
> Reporter: Ted Yu
> Priority: Minor
>
> Here is related code:
> {code}
> public static DefaultScheduler getInstance() {
> if (INSTANCE == null) {
> INSTANCE = createInstance();
> {code}
> The check against may not be effective.
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