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https://issues.apache.org/jira/browse/CASSANDRA-21807?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18131451#comment-18131451
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Dmitry Konstantinov commented on CASSANDRA-21807:
-------------------------------------------------
Root cause analysis results: An earlier test in the same CI split changes the
Python process's working directory to a temp dir and never changes it back.
test_wide_row_repair_lcs then builds its file path from that wrong directory.
*Details (collected by Claude)*
repair_tests/repair_test.py:1182 builds the path as os.path.join(os.getcwd(),
'stress_profiles/repair_wide_rows.yaml.tmpl'). At that point the working
directory was .../build/run-python-dtest.yT0KAp/tmpkyh_4wbr instead of the
dtest checkout, so the file wasn't found.
What changed the directory
configuration_test.py:113-117, in test_relative_paths (CASSANDRA-17084):
cassdir = tempfile.mkdtemp()
os.mkdir(os.path.join(cassdir, 'bin'))
os.chdir(cassdir) # never restored
- Only chdir: this is the only os.chdir in cassandra-dtest, and ccm has none.
- The path's name: a plain mkdtemp() gives $TMPDIR/tmpXXXXXXXX, which matches
tmpkyh_4wbr. Cluster dirs use the dtest- prefix (dtest_setup.py:125), so they
can't be the source.
- Run order: the split's stage log on nightlies.apache.org shows one pytest
process running 18 tests. test_relative_paths is 4th and
test_wide_row_repair_lcs is 12th.
- Other variants: in the dtest and dtest-latest targets, the same test runs in
split 20/64 and passes. test_relative_paths runs in split 40/64 there, so the
two never share a process.
> Test failure: TestRepair.test_wide_row_repair_lcs
> --------------------------------------------------
>
> Key: CASSANDRA-21807
> URL: https://issues.apache.org/jira/browse/CASSANDRA-21807
> Project: Apache Cassandra
> Issue Type: Bug
> Components: Test/dtest/python
> Reporter: Dmitry Konstantinov
> Priority: Normal
>
> [https://ci-cassandra.apache.org/job/Cassandra-trunk/2642/testReport/junit/dtest-novnode.repair_tests.repair_test/TestRepair/Tests___dtest_novnode_jdk11_44_64___test_wide_row_repair_lcs/]
>
> {code:java}
> FileNotFoundError: [Errno 2] No such file or directory:
> '/home/cassandra/cassandra/build/run-python-dtest.yT0KAp/tmpkyh_4wbr/stress_profiles/repair_wide_rows.yaml.tmpl'
> {code}
> {code}
> self = <repair_tests.repair_test.TestRepair object at 0x7f2af62bd940>
> @since('4.0')
> def test_wide_row_repair_lcs(self):
> > self._test_wide_row_repair('LeveledCompactionStrategy')
> /home/cassandra/cassandra-dtest/repair_tests/repair_test.py:1196:
> _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
> _
> self = <repair_tests.repair_test.TestRepair object at 0x7f2af62bd940>
> compaction_strategy = 'LeveledCompactionStrategy'
> def _test_wide_row_repair(self, compaction_strategy):
> """
> @jira_ticket CASSANDRA-13899
> Make sure compressed vs uncompressed blocks are handled correctly
> when stream decompressing
> """
> cluster = self.cluster
> cluster.set_configuration_options(values={'hinted_handoff_enabled':
> False})
> cluster.populate(2).start()
> node1, node2 = cluster.nodelist()
> node2.stop(wait_other_notice=True)
> template_path = os.path.join(os.getcwd(),
> 'stress_profiles/repair_wide_rows.yaml.tmpl')
> > with open(template_path) as profile_template:
> E FileNotFoundError: [Errno 2] No such file or directory:
> '/home/cassandra/cassandra/build/run-python-dtest.yT0KAp/tmpkyh_4wbr/stress_profiles/repair_wide_rows.yaml.tmpl'
> /home/cassandra/cassandra-dtest/repair_tests/repair_test.py:1183:
> FileNotFoundError
> {code}
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