Jason Gustafson created KAFKA-4172:
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Summary: Fix masked test error in
KafkaConsumerTest.testSubscriptionChangesWithAutoCommitEnabled
Key: KAFKA-4172
URL: https://issues.apache.org/jira/browse/KAFKA-4172
Project: Kafka
Issue Type: Bug
Components: consumer, unit tests
Reporter: Jason Gustafson
Assignee: Jason Gustafson
Fix For: 0.10.1.0
This test case has an incorrectly matched mock fetch response, which was
silently raising an NPE, which was caught in NetworkClient. In general, aside
from fixing the test, we are probably missing a null check in the FetchRespose
to verify that the partitions included in the fetch response were actually
requested. This is usually not a problem because the broker doesn't send us
invalid fetch responses, but it's probably better to be a little more defensive
when handling responses.
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