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https://issues.apache.org/jira/browse/FLINK-5368?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Sendoh updated FLINK-5368:
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Description:
As a developer when reading data from many topics, I want Kafka consumer to
show something if any topic is not available. The motivation is we read many
topics as list at one time, and sometimes we fail to recognize that one or two
topics' names have been changed or deprecated, and Flink Kafka connector
doesn't show the error.
My proposed change would be either to throw RuntimeException or to use
LOG.error(topic + "doesn't have any partition") if partitionsForTopic is null
at this function.
https://github.com/apache/flink/blob/master/flink-connectors/flink-connector-kafka-0.9/src/main/java/org/apache/flink/streaming/connectors/kafka/FlinkKafkaConsumer09.java#L208
Any suggestion is welcome.
was:
As a developer when reading data from many topics, I want Kafka consumer show
something if any topic is not available. The motivation is we read many topics
as list at one time, and sometimes we fail to recognize that one or two topics'
names have been changed or deprecated, and Flink Kafka connector doesn't show
the error.
My proposed change would be either to throw RuntimeException or to use
LOG.error(topic + "doesn't have any partition") if partitionsForTopic is null
at this function.
https://github.com/apache/flink/blob/master/flink-connectors/flink-connector-kafka-0.9/src/main/java/org/apache/flink/streaming/connectors/kafka/FlinkKafkaConsumer09.java#L208
Any suggestion is welcome.
> Let Kafka consumer show something when it fails to read one topic out of
> topic list
> -----------------------------------------------------------------------------------
>
> Key: FLINK-5368
> URL: https://issues.apache.org/jira/browse/FLINK-5368
> Project: Flink
> Issue Type: Improvement
> Components: Kafka Connector
> Reporter: Sendoh
> Assignee: Sendoh
> Priority: Minor
>
> As a developer when reading data from many topics, I want Kafka consumer to
> show something if any topic is not available. The motivation is we read many
> topics as list at one time, and sometimes we fail to recognize that one or
> two topics' names have been changed or deprecated, and Flink Kafka connector
> doesn't show the error.
> My proposed change would be either to throw RuntimeException or to use
> LOG.error(topic + "doesn't have any partition") if partitionsForTopic is null
> at this function.
> https://github.com/apache/flink/blob/master/flink-connectors/flink-connector-kafka-0.9/src/main/java/org/apache/flink/streaming/connectors/kafka/FlinkKafkaConsumer09.java#L208
> Any suggestion is welcome.
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