Jason Kania created FLINK-33135:
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Summary: Flink Pulsar Connector Attempts Partitioned Routing on
Unpartitioned Topic
Key: FLINK-33135
URL: https://issues.apache.org/jira/browse/FLINK-33135
Project: Flink
Issue Type: Bug
Components: Connectors / Pulsar
Affects Versions: 1.17.1
Reporter: Jason Kania
For a non-partitioned topic, the Flink Pulsar connector creates a TopicRouter,
ensures that the list of partitions is empty during deployment and then
complains when the list of partitions supplied to it is empty at runtime. The
default TopicRouter that is created is the RoundRobinTopicRouter and it
provides a nonsensical error for this type of TopicRouter. This error message
issue is raised in ticket ???.
The connector should not be applying a topic router to nonpartitioned topics or
should treat the nonpartitioned topic as a special case. Currently, the
following error is raised even though the setTopics() method is called on the
PulsarSink.builder() with a single topic.
Caused by: java.lang.IllegalArgumentException: You should provide topics for
routing topic by message key hash.
at
org.apache.flink.util.Preconditions.checkArgument(Preconditions.java:138)
at
org.apache.flink.connector.pulsar.sink.writer.router.RoundRobinTopicRouter.route(RoundRobinTopicRouter.java:56)
at
org.apache.flink.connector.pulsar.sink.writer.PulsarWriter.write(PulsarWriter.java:147)
at
org.apache.flink.streaming.runtime.operators.sink.SinkWriterOperator.processElement(SinkWriterOperator.java:158)
at
org.apache.flink.streaming.runtime.tasks.CopyingChainingOutput.pushToOperator(CopyingChainingOutput.java:75)
... 30 more
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