[KAFKA-10592] system tests not running after python3 merge - ASF JIRA

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Details

Type: Task
Status: Resolved
Priority: Major
Resolution: Fixed
Affects Version/s: None
Fix Version/s: 2.7.0
Component/s: system tests
Labels:
None

Description

We are seeing these errors on system tests due to the python3 merge:

[ERROR:2020-10-08 21:03:51,341]: Failed to import kafkatest.sanity_checks.test_performance_services, which may indicate a broken test that cannot be loaded: ImportError: No module named server
 [ERROR:2020-10-08 21:03:51,351]: Failed to import kafkatest.benchmarks.core.benchmark_test, which may indicate a broken test that cannot be loaded: ImportError: No module named server
 [ERROR:2020-10-08 21:03:51,501]: Failed to import kafkatest.tests.core.throttling_test, which may indicate a broken test that cannot be loaded: ImportError: No module named server
 [ERROR:2020-10-08 21:03:51,598]: Failed to import kafkatest.tests.client.quota_test, which may indicate a broken test that cannot be loaded: ImportError: No module named server

I ran one of the system tests at the commit prior to the python3 merge (https://github.com/apache/kafka/commit/40a23cc0c2e1efa8632f59b093672221a3c03c36) and it ran fine:

http://confluent-kafka-branch-builder-system-test-results.s3-us-west-2.amazonaws.com/2020-10-09--001.1602255415--rondagostino--rtd_just_before_python3_merge--40a23cc0c/report.html

I ran the exact same test file at the next commit – the python3 commit at https://github.com/apache/kafka/commit/4e65030e055104a7526e85b563a11890c61d6ddf – and it failed with the import error. The test results show no report.html file because nothing ran: http://testing.confluent.io/confluent-kafka-system-test-results/?prefix=2020-10-09--001.1602251990--apache--trunk--7947c18b5/

Not sure when this began because I do see these tests running successfully during the development process as documented in https://issues.apache.org/jira/browse/KAFKA-10402 (`tests run: 684` as recently as 9/20 in that ticket). But the PR build (rebased onto latest trunk) showed the above import errors and only 606 tests run. I assume those 4 files mentioned include 78 tests.