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https://issues.apache.org/jira/browse/ARROW-5930?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16886300#comment-16886300
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lidavidm commented on ARROW-5930:
---------------------------------
[~pitrou] I had just come to the same conclusion. I have a change so that
Shutdown doesn't use a DCHECK, but instead does an actual check, so at least it
won't segfault. I can add additional synchronization on the Python side.
> [FlightRPC] [Python] Flight CI tests are failing
> ------------------------------------------------
>
> Key: ARROW-5930
> URL: https://issues.apache.org/jira/browse/ARROW-5930
> Project: Apache Arrow
> Issue Type: Bug
> Components: FlightRPC, Python
> Affects Versions: 0.14.0
> Reporter: lidavidm
> Priority: Major
> Labels: pull-request-available
> Time Spent: 1.5h
> Remaining Estimate: 0h
>
> Flight tests segfault on Travis:
> [https://travis-ci.org/apache/arrow/jobs/557690959]
> The relevant part is:
> {noformat}
> Fatal Python error: Aborted
> Thread 0x00007fcf009fe700 (most recent call first):
> File "/home/travis/build/apache/arrow/python/pyarrow/tests/test_flight.py",
> line 386 in _server_thread
> File
> "/home/travis/build/apache/arrow/pyarrow-test-3.6/lib/python3.6/threading.py",
> line 864 in run
> File
> "/home/travis/build/apache/arrow/pyarrow-test-3.6/lib/python3.6/threading.py",
> line 916 in _bootstrap_inner
> File
> "/home/travis/build/apache/arrow/pyarrow-test-3.6/lib/python3.6/threading.py",
> line 884 in _bootstrap
> Current thread 0x00007fcf1f9fa700 (most recent call first):
> File "/home/travis/build/apache/arrow/python/pyarrow/tests/test_flight.py",
> line 411 in flight_server
> File
> "/home/travis/build/apache/arrow/pyarrow-test-3.6/lib/python3.6/contextlib.py",
> line 99 in __exit__
> File "/home/travis/build/apache/arrow/python/pyarrow/tests/test_flight.py",
> line 670 in test_tls_do_get
> File
> "/home/travis/build/apache/arrow/pyarrow-test-3.6/lib/python3.6/site-packages/_pytest/python.py",
> line 165 in pytest_pyfunc_call
> File
> "/home/travis/build/apache/arrow/pyarrow-test-3.6/lib/python3.6/site-packages/pluggy/callers.py",
> line 187 in _multicall
> File
> "/home/travis/build/apache/arrow/pyarrow-test-3.6/lib/python3.6/site-packages/pluggy/manager.py",
> line 81 in <lambda>
> File
> "/home/travis/build/apache/arrow/pyarrow-test-3.6/lib/python3.6/site-packages/pluggy/manager.py",
> line 87 in _hookexec
> File
> "/home/travis/build/apache/arrow/pyarrow-test-3.6/lib/python3.6/site-packages/pluggy/hooks.py",
> line 289 in __call__
> File
> "/home/travis/build/apache/arrow/pyarrow-test-3.6/lib/python3.6/site-packages/_pytest/python.py",
> line 1451 in runtest
> File
> "/home/travis/build/apache/arrow/pyarrow-test-3.6/lib/python3.6/site-packages/_pytest/runner.py",
> line 117 in pytest_runtest_call
> File
> "/home/travis/build/apache/arrow/pyarrow-test-3.6/lib/python3.6/site-packages/pluggy/callers.py",
> line 187 in _multicall
> File
> "/home/travis/build/apache/arrow/pyarrow-test-3.6/lib/python3.6/site-packages/pluggy/manager.py",
> line 81 in <lambda>
> File
> "/home/travis/build/apache/arrow/pyarrow-test-3.6/lib/python3.6/site-packages/pluggy/manager.py",
> line 87 in _hookexec
> File
> "/home/travis/build/apache/arrow/pyarrow-test-3.6/lib/python3.6/site-packages/pluggy/hooks.py",
> line 289 in __call__
> File
> "/home/travis/build/apache/arrow/pyarrow-test-3.6/lib/python3.6/site-packages/_pytest/runner.py",
> line 192 in <lambda>
> File
> "/home/travis/build/apache/arrow/pyarrow-test-3.6/lib/python3.6/site-packages/_pytest/runner.py",
> line 220 in from_call
> File
> "/home/travis/build/apache/arrow/pyarrow-test-3.6/lib/python3.6/site-packages/_pytest/runner.py",
> line 192 in call_runtest_hook
> File
> "/home/travis/build/apache/arrow/pyarrow-test-3.6/lib/python3.6/site-packages/_pytest/runner.py",
> line 167 in call_and_report
> File
> "/home/travis/build/apache/arrow/pyarrow-test-3.6/lib/python3.6/site-packages/_pytest/runner.py",
> line 87 in runtestprotocol
> File
> "/home/travis/build/apache/arrow/pyarrow-test-3.6/lib/python3.6/site-packages/_pytest/runner.py",
> line 72 in pytest_runtest_protocol
> File
> "/home/travis/build/apache/arrow/pyarrow-test-3.6/lib/python3.6/site-packages/pluggy/callers.py",
> line 187 in _multicall
> File
> "/home/travis/build/apache/arrow/pyarrow-test-3.6/lib/python3.6/site-packages/pluggy/manager.py",
> line 81 in <lambda>
> File
> "/home/travis/build/apache/arrow/pyarrow-test-3.6/lib/python3.6/site-packages/pluggy/manager.py",
> line 87 in _hookexec
> File
> "/home/travis/build/apache/arrow/pyarrow-test-3.6/lib/python3.6/site-packages/pluggy/hooks.py",
> line 289 in __call__
> File
> "/home/travis/build/apache/arrow/pyarrow-test-3.6/lib/python3.6/site-packages/_pytest/main.py",
> line 278 in pytest_runtestloop
> File
> "/home/travis/build/apache/arrow/pyarrow-test-3.6/lib/python3.6/site-packages/pluggy/callers.py",
> line 187 in _multicall
> File
> "/home/travis/build/apache/arrow/pyarrow-test-3.6/lib/python3.6/site-packages/pluggy/manager.py",
> line 81 in <lambda>
> File
> "/home/travis/build/apache/arrow/pyarrow-test-3.6/lib/python3.6/site-packages/pluggy/manager.py",
> line 87 in _hookexec
> File
> "/home/travis/build/apache/arrow/pyarrow-test-3.6/lib/python3.6/site-packages/pluggy/hooks.py",
> line 289 in __call__
> File
> "/home/travis/build/apache/arrow/pyarrow-test-3.6/lib/python3.6/site-packages/_pytest/main.py",
> line 257 in _main
> File
> "/home/travis/build/apache/arrow/pyarrow-test-3.6/lib/python3.6/site-packages/_pytest/main.py",
> line 213 in wrap_session
> File
> "/home/travis/build/apache/arrow/pyarrow-test-3.6/lib/python3.6/site-packages/_pytest/main.py",
> line 250 in pytest_cmdline_main
> File
> "/home/travis/build/apache/arrow/pyarrow-test-3.6/lib/python3.6/site-packages/pluggy/callers.py",
> line 187 in _multicall
> File
> "/home/travis/build/apache/arrow/pyarrow-test-3.6/lib/python3.6/site-packages/pluggy/manager.py",
> line 81 in <lambda>
> File
> "/home/travis/build/apache/arrow/pyarrow-test-3.6/lib/python3.6/site-packages/pluggy/manager.py",
> line 87 in _hookexec
> File
> "/home/travis/build/apache/arrow/pyarrow-test-3.6/lib/python3.6/site-packages/pluggy/hooks.py",
> line 289 in __call__
> File
> "/home/travis/build/apache/arrow/pyarrow-test-3.6/lib/python3.6/site-packages/_pytest/config/__init__.py",
> line 74 in main
> File
> "/home/travis/build/apache/arrow/pyarrow-test-3.6/lib/python3.6/site-packages/pytest.py",
> line 102 in <module>
> File
> "/home/travis/build/apache/arrow/pyarrow-test-3.6/lib/python3.6/site-packages/coverage/execfile.py",
> line 192 in run_python_file
> File
> "/home/travis/build/apache/arrow/pyarrow-test-3.6/lib/python3.6/site-packages/coverage/execfile.py",
> line 122 in run_python_module
> File
> "/home/travis/build/apache/arrow/pyarrow-test-3.6/lib/python3.6/site-packages/coverage/cmdline.py",
> line 627 in do_run
> File
> "/home/travis/build/apache/arrow/pyarrow-test-3.6/lib/python3.6/site-packages/coverage/cmdline.py",
> line 491 in command_line
> File
> "/home/travis/build/apache/arrow/pyarrow-test-3.6/lib/python3.6/site-packages/coverage/cmdline.py",
> line 756 in main
> File "/home/travis/build/apache/arrow/pyarrow-test-3.6/bin/coverage", line
> 10 in <module>
> /home/travis/build/apache/arrow/ci/travis_script_python.sh: line 202: 12032
> Aborted (core dumped) coverage run --append -m pytest
> $PYARROW_PYTEST_FLAGS pyarrow/tests{noformat}
> I haven't been able to reproduce this so far. We may want to just mark the
> tests as flaky for now.
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