[jira] [Created] (FLINK-8661) Replace Collections.EMPTY_MAP with Collections.emptyMap()

[Ted Yu (JIRA)]

Ted Yu created FLINK-8661:
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             Summary: 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


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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