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https://issues.apache.org/jira/browse/FLINK-8661?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16365158#comment-16365158
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mingleizhang commented on FLINK-8661:
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Thanks [[email protected]] I will take a look on this.
> Replace Collections.EMPTY_MAP with Collections.emptyMap()
> ---------------------------------------------------------
>
> Key: FLINK-8661
> URL: https://issues.apache.org/jira/browse/FLINK-8661
> Project: Flink
> Issue Type: Bug
> Reporter: Ted Yu
> Priority: Minor
>
> The use of Collections.EMPTY_SET and Collections.EMPTY_MAP often causes
> unchecked assignment and it should be replaced with Collections.emptySet()
> and Collections.emptyMap()
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