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https://issues.apache.org/jira/browse/FLINK-31927?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17718573#comment-17718573
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Etienne Chauchot edited comment on FLINK-31927 at 5/2/23 1:31 PM:
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Putting the summary of a private discussion with [~chesnay] here: we should
only enable these metrics if they are forwarded to the Flink metrics system.
So, for now we disable them. We could enable them and implement the metrics
forwarding in a follow-up ticket if users ask for this feature.
was (Author: echauchot):
Putting the summary of a private discussion with [~chesnay] here: we should
only enable these metrics if they are forwarded to the Flink metrics system.
So, for now we disable them. We could enable them and implement the metrics
forwarding in a follow-up ticket if users demand this feature.
> Cassandra source raises an exception on Flink 1.16.0 if the user enables the
> metrics in the cassandra driver
> ------------------------------------------------------------------------------------------------------------
>
> Key: FLINK-31927
> URL: https://issues.apache.org/jira/browse/FLINK-31927
> Project: Flink
> Issue Type: Bug
> Components: Connectors / Cassandra
> Affects Versions: 1.16.0, cassandra-3.1.0
> Reporter: Etienne Chauchot
> Assignee: Etienne Chauchot
> Priority: Blocker
>
> CassandraSplitEnumerator#prepareSplits() raises
> java.lang.NoClassDefFoundError: com/codahale/metrics/Gauge when calling
> cluster.getMetadata() leading to NPE in CassandraSplitEnumerator#start()
> async callback.
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