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https://issues.apache.org/jira/browse/CASSANDRA-18361?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17769997#comment-17769997
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Andres de la Peña commented on CASSANDRA-18361:
-----------------------------------------------
Probably nothing, but there can always be surprises. That's why we run them
with both configs on CI. The 500 runs can be divided with 250 in vnodes and 250
in no-vnodes.
> Test Failure:
> secondary_indexes_test.py::TestSecondaryIndexes::test_failing_manual_rebuild_index
> ------------------------------------------------------------------------------------------------
>
> Key: CASSANDRA-18361
> URL: https://issues.apache.org/jira/browse/CASSANDRA-18361
> Project: Cassandra
> Issue Type: Bug
> Components: Test/dtest/python
> Reporter: Andres de la Peña
> Assignee: Jacek Lewandowski
> Priority: Normal
> Fix For: 5.0.x, 5.x
>
>
> The Python dtest
> {{secondary_indexes_test.py::TestSecondaryIndexes::test_failing_manual_rebuild_index}}
> is flaky, at least for trunk:
> *
> https://butler.cassandra.apache.org/#/ci/upstream/workflow/Cassandra-trunk/failure/secondary_indexes_test/TestSecondaryIndexes/test_failing_manual_rebuild_index
> *
> https://ci-cassandra.apache.org/job/Cassandra-trunk/1501/testReport/dtest.secondary_indexes_test/TestSecondaryIndexes/test_failing_manual_rebuild_index/
> {code}
> Error Message
> failed on teardown with "Unexpected error found in node logs (see stdout for
> full details). Errors: [[node1] 'ERROR [Reference-Reaper] 2023-03-23
> 00:23:43,597 Ref.java:237 - LEAK DETECTED: a reference (class
> org.apache.cassandra.io.util.FileHandle$Cleanup@967019010:/home/cassandra/cassandra/cassandra-dtest/tmp/dtest-hgjoy8rq/test/node1/data0/k/t-b7dae870c91011eda58f05bc40bfcaa1/nc-1-big-Index.db)
> to class
> org.apache.cassandra.io.util.FileHandle$Cleanup@967019010:/home/cassandra/cassandra/cassandra-dtest/tmp/dtest-hgjoy8rq/test/node1/data0/k/t-b7dae870c91011eda58f05bc40bfcaa1/nc-1-big-Index.db
> was not released before the reference was garbage collected']"
> Stacktrace
> Unexpected error found in node logs (see stdout for full details). Errors:
> [[node1] 'ERROR [Reference-Reaper] 2023-03-23 00:23:43,597 Ref.java:237 -
> LEAK DETECTED: a reference (class
> org.apache.cassandra.io.util.FileHandle$Cleanup@967019010:/home/cassandra/cassandra/cassandra-dtest/tmp/dtest-hgjoy8rq/test/node1/data0/k/t-b7dae870c91011eda58f05bc40bfcaa1/nc-1-big-Index.db)
> to class
> org.apache.cassandra.io.util.FileHandle$Cleanup@967019010:/home/cassandra/cassandra/cassandra-dtest/tmp/dtest-hgjoy8rq/test/node1/data0/k/t-b7dae870c91011eda58f05bc40bfcaa1/nc-1-big-Index.db
> was not released before the reference was garbage collected']
> {code}
> The failure can be reproduced in CircleCI:
> *
> https://app.circleci.com/pipelines/github/adelapena/cassandra/2732/workflows/829434ab-2d1a-4e1c-8c7f-42449fcfda22
> The CircleCI config I used to reproduce the test failure can be generated
> with:
> {code}
> .circleci/generate.sh -p \
> -e REPEATED_DTESTS_COUNT=200 \
> -e
> REPEATED_DTESTS=secondary_indexes_test.py::TestSecondaryIndexes::test_failing_manual_rebuild_index
> {code}
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