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https://issues.apache.org/jira/browse/KAFKA-15538?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17827950#comment-17827950
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Phuc Hong Tran commented on KAFKA-15538:
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[~lianetm] [~kirktrue], I have a question. What component supposed to update
the subscription after metadata got fetched?
> Client support for java regex based subscription
> ------------------------------------------------
>
> Key: KAFKA-15538
> URL: https://issues.apache.org/jira/browse/KAFKA-15538
> Project: Kafka
> Issue Type: Sub-task
> Components: clients, consumer
> Reporter: Lianet Magrans
> Assignee: Phuc Hong Tran
> Priority: Blocker
> Labels: kip-848-client-support, newbie, regex
> Fix For: 3.8.0
>
>
> When using subscribe with a java regex (Pattern), we need to resolve it on
> the client side to send the broker a list of topic names to subscribe to.
> Context:
> The new consumer group protocol uses [Google
> RE2/J|https://github.com/google/re2j] for regular expressions and introduces
> new methods in the consumer API to subscribe using a `SubscribePattern`. The
> subscribe using a java `Pattern` will be still supported for a while but
> eventually removed.
> * When the subscribe with SubscriptionPattern is used, the client should
> just send the regex to the broker and it will be resolved on the server side.
> * In the case of the subscribe with Pattern, the regex should be resolved on
> the client side.
> As part of this task, we should re-enable all integration tests defined in
> the PlainTextAsyncConsumer that relate to subscription with pattern and that
> are currently disabled for the new consumer + new protocol
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