[ 
https://issues.apache.org/jira/browse/KAFKA-17962?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Kirk True updated KAFKA-17962:
------------------------------
    Description: 
The following failure is consistently seen when running 
{{{}test_pause_and_resume_sink.connect_protocol{}}}:
{noformat}
TimeoutError('Failed to consume messages after resuming sink connector')
Traceback (most recent call last):
  File 
"/home/semaphore/kafka-overlay/kafka/venv/lib/python3.8/site-packages/ducktape/tests/runner_client.py",
 line 351, in _do_run
    data = self.run_test()
  File 
"/home/semaphore/kafka-overlay/kafka/venv/lib/python3.8/site-packages/ducktape/tests/runner_client.py",
 line 411, in run_test
    return self.test_context.function(self.test)
  File 
"/home/semaphore/kafka-overlay/kafka/venv/lib/python3.8/site-packages/ducktape/mark/_mark.py",
 line 438, in wrapper
    return functools.partial(f, *args, **kwargs)(*w_args, **w_kwargs)
  File 
"/home/semaphore/kafka-overlay/kafka/tests/kafkatest/tests/connect/connect_distributed_test.py",
 line 415, in test_pause_and_resume_sink
    wait_until(lambda: len(self.sink.received_messages()) > num_messages, 
timeout_sec=30,
  File 
"/home/semaphore/kafka-overlay/kafka/venv/lib/python3.8/site-packages/ducktape/utils/util.py",
 line 58, in wait_until
    raise TimeoutError(err_msg() if callable(err_msg) else err_msg) from 
last_exception
ducktape.errors.TimeoutError: Failed to consume messages after resuming sink 
connector}
{noformat}
Parameters on fail:
 * connect_protocol=compatible
 * metadata_quorum=ISOLATED_KRAFT
 * use_new_coordinator=True
 * group_protocol=consumer

  was:
http://confluent-kafka-system-test-results.s3-us-west-2.amazonaws.com/2016-12-29--001.1483003056--apache--trunk--dc55025/report.html

{noformat}
[INFO  - 2016-12-29 08:56:23,050 - runner_client - log - lineno:221]: 
RunnerClient: 
kafkatest.tests.connect.connect_distributed_test.ConnectDistributedTest.test_pause_and_resume_sink:
 Summary: Failed to consume messages after resuming source connector
Traceback (most recent call last):
  File 
"/var/lib/jenkins/workspace/system-test-kafka/kafka/venv/local/lib/python2.7/site-packages/ducktape-0.6.0-py2.7.egg/ducktape/tests/runner_client.py",
 line 123, in run
    data = self.run_test()
  File 
"/var/lib/jenkins/workspace/system-test-kafka/kafka/venv/local/lib/python2.7/site-packages/ducktape-0.6.0-py2.7.egg/ducktape/tests/runner_client.py",
 line 176, in run_test
    return self.test_context.function(self.test)
  File 
"/var/lib/jenkins/workspace/system-test-kafka/kafka/tests/kafkatest/tests/connect/connect_distributed_test.py",
 line 267, in test_pause_and_resume_sink
    err_msg="Failed to consume messages after resuming source connector")
  File 
"/var/lib/jenkins/workspace/system-test-kafka/kafka/venv/local/lib/python2.7/site-packages/ducktape-0.6.0-py2.7.egg/ducktape/utils/util.py",
 line 36, in wait_until
    raise TimeoutError(err_msg)
TimeoutError: Failed to consume messages after resuming source connector
{noformat}

We recently fixed KAFKA-4527 and this is a new kind of failure in the same test.


> test_pause_and_resume_sink fails with "Failed to consume messages after 
> resuming sink connector" with CONSUMER group protocol
> -----------------------------------------------------------------------------------------------------------------------------
>
>                 Key: KAFKA-17962
>                 URL: https://issues.apache.org/jira/browse/KAFKA-17962
>             Project: Kafka
>          Issue Type: Test
>          Components: clients, consumer, system tests
>    Affects Versions: 3.9.0
>            Reporter: Kirk True
>            Priority: Major
>             Fix For: 4.0.0
>
>
> The following failure is consistently seen when running 
> {{{}test_pause_and_resume_sink.connect_protocol{}}}:
> {noformat}
> TimeoutError('Failed to consume messages after resuming sink connector')
> Traceback (most recent call last):
>   File 
> "/home/semaphore/kafka-overlay/kafka/venv/lib/python3.8/site-packages/ducktape/tests/runner_client.py",
>  line 351, in _do_run
>     data = self.run_test()
>   File 
> "/home/semaphore/kafka-overlay/kafka/venv/lib/python3.8/site-packages/ducktape/tests/runner_client.py",
>  line 411, in run_test
>     return self.test_context.function(self.test)
>   File 
> "/home/semaphore/kafka-overlay/kafka/venv/lib/python3.8/site-packages/ducktape/mark/_mark.py",
>  line 438, in wrapper
>     return functools.partial(f, *args, **kwargs)(*w_args, **w_kwargs)
>   File 
> "/home/semaphore/kafka-overlay/kafka/tests/kafkatest/tests/connect/connect_distributed_test.py",
>  line 415, in test_pause_and_resume_sink
>     wait_until(lambda: len(self.sink.received_messages()) > num_messages, 
> timeout_sec=30,
>   File 
> "/home/semaphore/kafka-overlay/kafka/venv/lib/python3.8/site-packages/ducktape/utils/util.py",
>  line 58, in wait_until
>     raise TimeoutError(err_msg() if callable(err_msg) else err_msg) from 
> last_exception
> ducktape.errors.TimeoutError: Failed to consume messages after resuming sink 
> connector}
> {noformat}
> Parameters on fail:
>  * connect_protocol=compatible
>  * metadata_quorum=ISOLATED_KRAFT
>  * use_new_coordinator=True
>  * group_protocol=consumer



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