mirror of https://github.com/apache/kafka.git
1f7631c8c6
StreamsRebalanceListenerInvoker was implemented to match the behavior of ConsumerRebalanceListenerInvoker, however StreamsRebalanceListener has a subtly different interface than ConsumerRebalanceListener - it does not throw exceptions, but returns it as an Optional. In the interest of consistency, this change fixes this mismatch by changing the StreamsRebalanceListener interface to behave more like the ConsumerRebalanceListener - throwing exceptions directly. In another minor fix, the StreamsRebalanceListenerInvoker is changed to simply skip callback execution instead of throwing an IllegalStateException when no streamRebalanceListener is defined. This can happen when the consumer is closed before Consumer.subscribe is called. Reviewers: Lianet Magrans <lmagrans@confluent.io>, Matthias J. Sax <matthias@confluent.io> |
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