[jira] [Created] (KAFKA-4476) Kafka Streams gets stuck if metadata is missing

["Matthias J. Sax (JIRA)" <ji...@apache.org>]

Matthias J. Sax created KAFKA-4476:
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             Summary: Kafka Streams gets stuck if metadata is missing
                 Key: KAFKA-4476
                 URL: https://issues.apache.org/jira/browse/KAFKA-4476
             Project: Kafka
          Issue Type: Bug
          Components: streams
            Reporter: Matthias J. Sax
            Assignee: Matthias J. Sax
            Priority: Critical


When a Kafka Streams application gets started for the first time, it can happen that some topic metadata is missing when {{StreamPartitionAssigner#assign()}} is called on the group leader instance. This can result in an infinite loop within {{StreamPartitionAssigner#assign()}}. This issue was detected by {{ResetIntegrationTest}} that does have a transient timeout failure (c.f. https://issues.apache.org/jira/browse/KAFKA-4058 -- this issue was re-opened multiple times as the problem was expected to be in the test -- however, that is not the case).



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