Francis Godinho created KAFKA-19925:
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Summary: Flaky E2E transactions_upgrade_test
Key: KAFKA-19925
URL: https://issues.apache.org/jira/browse/KAFKA-19925
Project: Kafka
Issue Type: Test
Components: system tests
Reporter: Francis Godinho
Assignee: Francis Godinho
Attachments: image-2025-11-26-01-22-37-797.png
Multiple tests in
[transactions_upgrade_test.py|[https://github.com/apache/kafka/blob/trunk/tests/kafkatest/tests/core/transactions_upgrade_test.py]]
sometimes times out
!image-2025-11-26-01-22-37-797.png|width=516,height=157!
E.g. Log:
{code:java}
INFO:2025-11-26 01:02:07,863]: Triggering test 3 of 9...
[INFO:2025-11-26 01:02:07,889]: RunnerClient: Loading test {'directory':
'/opt/kafka-dev/tests/kafkatest/tests/core', 'file_name':
'transactions_upgrade_test.py', 'cls_name': 'TransactionsUpgradeTest',
'method_name': 'test_transactions_upgrade', 'injected_args':
{'from_kafka_version': '3.5.2', 'metadata_quorum': 'ISOLATED_KRAFT',
'group_protocol': None}}
[INFO:2025-11-26 01:02:07,903]: RunnerClient:
kafkatest.tests.core.transactions_upgrade_test.TransactionsUpgradeTest.test_transactions_upgrade.from_kafka_version=3.5.2.metadata_quorum=ISOLATED_KRAFT.group_protocol=None:
on run 1/1
[INFO:2025-11-26 01:02:07,906]: RunnerClient:
kafkatest.tests.core.transactions_upgrade_test.TransactionsUpgradeTest.test_transactions_upgrade.from_kafka_version=3.5.2.metadata_quorum=ISOLATED_KRAFT.group_protocol=None:
Setting up...
[INFO:2025-11-26 01:02:07,908]: RunnerClient:
kafkatest.tests.core.transactions_upgrade_test.TransactionsUpgradeTest.test_transactions_upgrade.from_kafka_version=3.5.2.metadata_quorum=ISOLATED_KRAFT.group_protocol=None:
Running...
[INFO:2025-11-26 01:08:18,352]: RunnerClient:
kafkatest.tests.core.transactions_upgrade_test.TransactionsUpgradeTest.test_transactions_upgrade.from_kafka_version=3.5.2.metadata_quorum=ISOLATED_KRAFT.group_protocol=None:
Tearing down...
[INFO:2025-11-26 01:11:42,521]: RunnerClient:
kafkatest.tests.core.transactions_upgrade_test.TransactionsUpgradeTest.test_transactions_upgrade.from_kafka_version=3.5.2.metadata_quorum=ISOLATED_KRAFT.group_protocol=None:
FAIL: TimeoutError('copier-0 - Failed to copy all messages in 180s.')
Traceback (most recent call last):
File
"/usr/local/lib/python3.10/dist-packages/ducktape/tests/runner_client.py", line
351, in _do_run
data = self.run_test()
File
"/usr/local/lib/python3.10/dist-packages/ducktape/tests/runner_client.py", line
411, in run_test
return self.test_context.function(self.test)
File "/usr/local/lib/python3.10/dist-packages/ducktape/mark/_mark.py", line
438, in wrapper
return functools.partial(f, *args, **kwargs)(*w_args, **w_kwargs)
File
"/opt/kafka-dev/tests/kafkatest/tests/core/transactions_upgrade_test.py", line
235, in test_transactions_upgrade
concurrently_consumed_messages =
self.copy_messages_transactionally_during_upgrade(
File
"/opt/kafka-dev/tests/kafkatest/tests/core/transactions_upgrade_test.py", line
184, in copy_messages_transactionally_during_upgrade
wait_until(lambda: copier.is_done,
File "/usr/local/lib/python3.10/dist-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: copier-0 - Failed to copy all messages in
180s.[WARNING - 2025-11-26 01:11:42,521 - runner_client - log - lineno:459]:
RunnerClient:
kafkatest.tests.core.transactions_upgrade_test.TransactionsUpgradeTest.test_transactions_upgrade.from_kafka_version=3.5.2.metadata_quorum=ISOLATED_KRAFT.group_protocol=None:
Test requested 8 nodes, used only 7
[WARNING:2025-11-26 01:11:42,522]: RunnerClient:
kafkatest.tests.core.transactions_upgrade_test.TransactionsUpgradeTest.test_transactions_upgrade.from_kafka_version=3.5.2.metadata_quorum=ISOLATED_KRAFT.group_protocol=None:
Test requested 8 nodes, used only 7
[INFO:2025-11-26 01:11:42,523]: RunnerClient:
kafkatest.tests.core.transactions_upgrade_test.TransactionsUpgradeTest.test_transactions_upgrade.from_kafka_version=3.5.2.metadata_quorum=ISOLATED_KRAFT.group_protocol=None:
Data: None {code}
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