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https://issues.apache.org/jira/browse/FLINK-3485?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15168139#comment-15168139
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Maximilian Michels commented on FLINK-3485:
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You're right. The accumulator is printed using the {{toString()}} method. What
you see is the default Object.toString() method of the
{{SerializedListAccumuator}}. I suppose we could change this to something nicer
like printing the number of items. The accumulator is used for aggregating the
results when you use {{collect()}}.
> The SerializedListAccumulator value doest seem to be right
> ----------------------------------------------------------
>
> Key: FLINK-3485
> URL: https://issues.apache.org/jira/browse/FLINK-3485
> Project: Flink
> Issue Type: Bug
> Components: Web Client
> Reporter: sahitya pavurala
> Priority: Minor
> Attachments: screenshot-1.png
>
>
> When run flink examples, the accumulator value keeps changing, as it shows
> the hashcode value.
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