Piotr Nowojski created FLINK-7238:
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Summary: Kafka integration tests do not restart Kafka brokers
properly
Key: FLINK-7238
URL: https://issues.apache.org/jira/browse/FLINK-7238
Project: Flink
Issue Type: Bug
Components: Kafka Connector
Reporter: Piotr Nowojski
Integrations tests that restart a broker (like KafkaXYITCase or
KafkaXYProducerITCase), do not ends in the same state as they started, leaving
behind slightly degenerated Kafka cluster.
It seems like each such tests brakes permanently one Kafka broker. As long as
in the scope of one test file, there are more Kafka brokers (currently 3) then
tests that fail a Kafka broker all tests will pass. If there are 3 or more such
tests cases, tests become unstable and can crash with different errors or even
live/dead lock.
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