[jira] [Created] (KAFKA-12340) Recent change to use SharedTopicAdmin results in potential resource leak in deprecated backing store constructors

Thu, 18 Feb 2021 10:54:06 -0800 

Randall Hauch created KAFKA-12340:
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             Summary: Recent change to use SharedTopicAdmin results in 
potential resource leak in deprecated backing store constructors
                 Key: KAFKA-12340
                 URL: https://issues.apache.org/jira/browse/KAFKA-12340
             Project: Kafka
          Issue Type: Bug
          Components: KafkaConnect
    Affects Versions: 2.5.2, 2.8.0, 2.7.1, 2.6.2
            Reporter: Randall Hauch
            Assignee: Randall Hauch
             Fix For: 2.5.2, 2.8.0, 2.7.1, 2.6.2


When KAFKA-10021 modified the Connect `Kafka*BackingStore` classes, we 
deprecated the old constructors and changed all uses within AK to use the new 
constructors that take a `Supplier<TopicAdmin>`.

If the old deprecated constructors are used (outside of AK), then they will not 
close the Admin clients that are created by the "default" supplier.



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