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Remove closed KafkaTopicConsumerManager from cache - #659
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BewareMyPower merged 1 commit intoAug 18, 2021
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jiazhai
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Aug 17, 2021
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### Motivation When `KafkaTopicConsumerManager#removeCursorFuture()` returns null, it means the TCM (`KafkaTopicConsumerManager` instance) is closed accidentally. However, in this case, the TCM was not removed from `KafkaTopicConsumer.consumerTopicManagers` currently. Then next time `topicManager.getTopicConsumerManager` could still return the closed TCM. ### Modifications When `KafkaTopicConsumerManager#removeCursorFuture()` returns null, remove the TCM from cache.
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Motivation
When
KafkaTopicConsumerManager#removeCursorFuture()returns null, it means the TCM (KafkaTopicConsumerManagerinstance) is closed accidentally. However, in this case, the TCM was not removed fromKafkaTopicConsumer.consumerTopicManagerscurrently. Then next timetopicManager.getTopicConsumerManagercould still return the closed TCM.Modifications
When
KafkaTopicConsumerManager#removeCursorFuture()returns null, remove the TCM from cache.