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https://issues.apache.org/jira/browse/APEXMALHAR-2450?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15933855#comment-15933855
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ASF GitHub Bot commented on APEXMALHAR-2450:
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Github user tweise closed the pull request at:
https://github.com/apache/apex-malhar/pull/584
> UniqueCounter emits empty maps even when there is no input
> ----------------------------------------------------------
>
> Key: APEXMALHAR-2450
> URL: https://issues.apache.org/jira/browse/APEXMALHAR-2450
> Project: Apache Apex Malhar
> Issue Type: Bug
> Reporter: Thomas Weise
> Priority: Minor
>
> No inputs received, empty maps produced. The operator is probably only used
> in demos, and that's how the issue was noticed. Word count result files
> filled with just {}s. The suggested solution is to change the operator to
> only emit non-empty results.
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