ydb/tests/olap/test_log_scenario.py:235: in test_log_uniform
    thread.join()
ydb/tests/olap/common/thread_helper.py:18: in join
    raise self.exc
ydb/tests/olap/common/thread_helper.py:11: in run
    self.ret = self._target(*self._args, **self._kwargs)
ydb/tests/olap/test_log_scenario.py:147: in aggregation_query
    self.ydb_client.query(f"SELECT COUNT(*) FROM `{self.table_name}` ")
ydb/tests/olap/common/ydb_client.py:24: in query
    return self.session_pool.execute_with_retries(query=statement, settings=request_settings)
contrib/python/ydb/py3/ydb/query/pool.py:252: in execute_with_retries
    return retry_operation_sync(wrapped_callee, retry_settings)
contrib/python/ydb/py3/ydb/retries.py:135: in retry_operation_sync
    for next_opt in opt_generator:
contrib/python/ydb/py3/ydb/retries.py:130: in retry_operation_impl
    raise status
contrib/python/ydb/py3/ydb/retries.py:96: in retry_operation_impl
    result = YdbRetryOperationFinalResult(callee(*args, **kwargs))
contrib/python/ydb/py3/ydb/query/pool.py:248: in wrapped_callee
    with self.checkout(timeout=retry_settings.max_session_acquire_timeout) as session:
contrib/python/ydb/py3/ydb/query/pool.py:331: in __enter__
    self._session = self._pool.acquire(self._timeout)
contrib/python/ydb/py3/ydb/query/pool.py:111: in acquire
    session = self._create_new_session(time_left)
contrib/python/ydb/py3/ydb/query/pool.py:63: in _create_new_session
    session.create(settings=BaseRequestSettings().with_timeout(timeout))
contrib/python/ydb/py3/ydb/query/session.py:301: in create
    self._create_call(settings=settings)
contrib/python/ydb/py3/ydb/query/session.py:171: in _create_call
    return self._driver(
contrib/python/ydb/py3/ydb/tracing.py:70: in wrapper
    return f(self, *args, **kwargs)
contrib/python/ydb/py3/ydb/pool.py:459: in __call__
    connection = self._store.get(preferred_endpoint)
contrib/python/ydb/py3/ydb/tracing.py:70: in wrapper
    return f(self, *args, **kwargs)
contrib/python/ydb/py3/ydb/pool.py:144: in get
    raise issues.ConnectionLost("Couldn't find valid connection")
E   ydb.issues.ConnectionLost: Couldn't find valid connectionteardown failed:
ydb/tests/olap/test_log_scenario.py:123: in teardown_class
    cls.cluster.stop()
ydb/tests/library/harness/kikimr_runner.py:707: in stop
    raise daemon.SeveralDaemonErrors(saved_exceptions)
E   ydb.tests.library.harness.daemon.SeveralDaemonErrors: Daemon failed with message: Unexpectedly finished before stop.
E   Process exit_code = -6.
E   Stdout file name: 
E   /home/runner/actions_runner/_work/ydb/ydb/tmp/out/ydb/tests/olap/test-results/py3test/testing_out_stuff/test_log_scenario.py.TestLogScenario.test_log_uniform/cluster/node_1/stdout
E   Stderr file name: 
E   /home/runner/actions_runner/_work/ydb/ydb/tmp/out/ydb/tests/olap/test-results/py3test/testing_out_stuff/test_log_scenario.py.TestLogScenario.test_log_uniform/cluster/node_1/stderr
E   Stderr content:
E   
E   GRpc memory quota was set but disabled due to issues with grpc quoter, to enable it use EnableGRpcMemoryQuota option
E   VERIFY failed (2025-11-24T14:18:59.827128Z): source_id=391;tablet_id=72075186224037912;verification=lhs.type_id() == rhs.type_id();fline=compare.h:82;
E   ydb/library/actors/core/log.cpp:857
E   ~TVerifyFormattedRecordWriter(): requirement false failed
E   0. /-S/util/system/yassert.cpp:86: InternalPanicImpl @ 0xA917F95
E   1. /-S/util/system/yassert.cpp:55: Panic @ 0xA9104D6
E   2. /tmp//-S/ydb/library/actors/core/log.cpp:857: ~TVerifyFormattedRecordWriter @ 0xB7A7528
E   3. /-S/ydb/library/formats/arrow/switch/compare.h:82: TypedCompare<false> @ 0xD71BC1B
E   4. /-S/ydb/core/formats/arrow/reader/position.h:85: CompareImpl @ 0x9F70748
E   5. /-S/ydb/core/formats/arrow/reader/position.h:482: Compare @ 0x9F7049F
E   6. /tmp//-S/ydb/core/formats/arrow/reader/position.cpp:36: FindBound @ 0xD6F626D
E   7. /tmp//-S/ydb/core/tx/columnshard/engines/predicate/filter.cpp:22: BuildFilter @ 0x14374F5B
E   8. /tmp//-S/ydb/core/tx/columnshard/engines/reader/simple_reader/iterator/fetching.cpp:16: DoExecuteInplace @ 0x14FBBF57
E   9. /-S/ydb/core/tx/columnshard/engines/reader/common_reader/common/script.h:47: ExecuteInplace @ 0x14F10D13
E   10. /tmp//-S/ydb/core/tx/columnshard/engines/reader/common_reader/common/script_cursor.cpp:36: Execute @ 0x14F10D13
E   11. /tmp//-S/ydb/core/tx/columnshard/engines/reader/common_reader/iterator/fetching.cpp:30: DoExecuteImpl @ 0x14F0E6C3
E   12. /tmp//-S/ydb/core/tx/columnshard/engines/reader/common/conveyor_task.cpp:8: DoExecute @ 0x14F12087
E   13. /tmp//-S/ydb/core/tx/conveyor/usage/abstract.cpp:16: Execute @ 0x14392D48
E   14. /tmp//-S/ydb/core/tx/conveyor_composite/service/worker.cpp:17: ExecuteTask @ 0x1CF40FB5
E   15. /tmp//-S/ydb/library/actors/core/actor.cpp:350: Receive @ 0xB74A437
E   16. /tmp//-S/ydb/library/actors/core/executor_thread.cpp:267: Execute @ 0xB797FD4
E   17. /tmp//-S/ydb/library/actors/core/executor_thread.cpp:455: operator() @ 0xB79C094
E   18. /tmp//-S/ydb/library/actors/core/executor_thread.cpp:507: ProcessExecutorPool @ 0xB79BCA0
E   19. /tmp//-S/ydb/library/actors/core/executor_thread.cpp:533: ThreadProc @ 0xB79C88E
E   20. /-S/util/system/thread.cpp:245: ThreadProxy @ 0xA919BEC
E   21. ??:0: ?? @ 0x7F921CC7AAC2
E   22. ??:0: ?? @ 0x7F921CD0C8BF

logsdir:
/home/runner/actions_runner/_work/ydb/ydb/tmp/out/ydb/tests/olap/test-results/py3test/testing_out_stuff
log:
/home/runner/actions_runner/_work/ydb/ydb/tmp/out/ydb/tests/olap/test-results/py3test/testing_out_stuff/test_log_scenario.py.TestLogScenario.test_log_uniform.log