test_concurrent_futures failure on Windows #54392

pitrou · 2010-10-23T18:54:10Z

BPO	10183
Nosy	@brianquinlan, @pitrou
Files	timing.patch: Increased Timeouts timing2.patch: Increased event wait timeout

^{Note: these values reflect the state of the issue at the time it was migrated and might not reflect the current state.}

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GitHub fields:

assignee = 'https://github.com/brianquinlan'
closed_at = <Date 2010-11-20.04:10:08.293>
created_at = <Date 2010-10-23.18:54:09.800>
labels = ['type-bug', 'library']
title = 'test_concurrent_futures failure on Windows'
updated_at = <Date 2010-11-20.04:10:08.291>
user = 'https://github.com/pitrou'

bugs.python.org fields:

activity = <Date 2010-11-20.04:10:08.291>
actor = 'bquinlan'
assignee = 'bquinlan'
closed = True
closed_date = <Date 2010-11-20.04:10:08.293>
closer = 'bquinlan'
components = ['Library (Lib)']
creation = <Date 2010-10-23.18:54:09.800>
creator = 'pitrou'
dependencies = []
files = ['19636', '19645']
hgrepos = []
issue_num = 10183
keywords = ['patch']
message_count = 8.0
messages = ['119466', '121448', '121450', '121498', '121567', '121574', '121576', '121594']
nosy_count = 2.0
nosy_names = ['bquinlan', 'pitrou']
pr_nums = []
priority = 'normal'
resolution = 'fixed'
stage = None
status = 'closed'
superseder = None
type = 'behavior'
url = 'https://bugs.python.org/issue10183'
versions = ['Python 3.2']

pitrou · 2010-10-23T18:54:09Z

I get this failure quite reliably on a Windows 7 VM, in both 32-bit and 64-bit builds:

======================================================================
FAIL: test_map_timeout (test.test_concurrent_futures.ProcessPoolExecutorTest)
----------------------------------------------------------------------

Traceback (most recent call last):
  File "Y:\py3k\__svn__\lib\test\test_concurrent_futures.py", line 572, in test_map_timeout
    self.assertEquals([42, 42], results)
AssertionError: Lists differ: [42, 42] != []

First list contains 2 additional elements.
First extra element 0:
42

[42, 42]
+ []

brianquinlan · 2010-11-18T08:57:11Z

Would you include the entire output of the test run?

pitrou · 2010-11-18T10:15:39Z

Y:\>py3k\svn\PCbuild\amd64\python_d.exe -m test.regrtest -v test_concurrent_futures
== CPython 3.2a4+ (py3k, Nov 18 2010, 11:12:09) [MSC v.1500 64 bit (AMD64)]
== Windows-7-6.1.7600 little-endian
== Y:\py3k\svn\build\test_python_2016
[1/1] test_concurrent_futures
test_map (test.test_concurrent_futures.ProcessPoolExecutorTest) ... ok
test_map_exception (test.test_concurrent_futures.ProcessPoolExecutorTest) ... ok

test_map_timeout (test.test_concurrent_futures.ProcessPoolExecutorTest) ... FAIL

test_submit (test.test_concurrent_futures.ProcessPoolExecutorTest) ... ok
test_submit_keyword (test.test_concurrent_futures.ProcessPoolExecutorTest) ... o
k
test_map (test.test_concurrent_futures.ThreadPoolExecutorTest) ... ok
test_map_exception (test.test_concurrent_futures.ThreadPoolExecutorTest) ... ok
test_map_timeout (test.test_concurrent_futures.ThreadPoolExecutorTest) ... ok
test_submit (test.test_concurrent_futures.ThreadPoolExecutorTest) ... ok
test_submit_keyword (test.test_concurrent_futures.ThreadPoolExecutorTest) ... ok

test_all_completed (test.test_concurrent_futures.ProcessPoolWaitTests) ... ok
test_all_completed_some_already_completed (test.test_concurrent_futures.ProcessP
oolWaitTests) ... ok
test_first_completed (test.test_concurrent_futures.ProcessPoolWaitTests) ... ok
test_first_completed_one_already_completed (test.test_concurrent_futures.Process
PoolWaitTests) ... ok
test_first_exception (test.test_concurrent_futures.ProcessPoolWaitTests) ... ok
test_first_exception_one_already_failed (test.test_concurrent_futures.ProcessPoo
lWaitTests) ... ok
test_first_exception_some_already_complete (test.test_concurrent_futures.Process
PoolWaitTests) ... ok
test_timeout (test.test_concurrent_futures.ProcessPoolWaitTests) ... FAIL
test_all_completed (test.test_concurrent_futures.ThreadPoolWaitTests) ... ok
test_all_completed_some_already_completed (test.test_concurrent_futures.ThreadPo
olWaitTests) ... ok
test_first_completed (test.test_concurrent_futures.ThreadPoolWaitTests) ... ok
test_first_completed_one_already_completed (test.test_concurrent_futures.ThreadP
oolWaitTests) ... ok
test_first_exception (test.test_concurrent_futures.ThreadPoolWaitTests) ... ok
test_first_exception_one_already_failed (test.test_concurrent_futures.ThreadPool
WaitTests) ... ok
test_first_exception_some_already_complete (test.test_concurrent_futures.ThreadP
oolWaitTests) ... ok
test_timeout (test.test_concurrent_futures.ThreadPoolWaitTests) ... ok
test_no_timeout (test.test_concurrent_futures.ProcessPoolAsCompletedTests) ... o
k
test_zero_timeout (test.test_concurrent_futures.ProcessPoolAsCompletedTests) ...
ok
test_no_timeout (test.test_concurrent_futures.ThreadPoolAsCompletedTests) ... ok

test_zero_timeout (test.test_concurrent_futures.ThreadPoolAsCompletedTests) ...
ok
test_cancel (test.test_concurrent_futures.FutureTests) ... ok
test_cancelled (test.test_concurrent_futures.FutureTests) ... ok
test_done (test.test_concurrent_futures.FutureTests) ... ok
test_done_callback_already_cancelled (test.test_concurrent_futures.FutureTests)
... ok
test_done_callback_already_failed (test.test_concurrent_futures.FutureTests) ...
ok
test_done_callback_already_successful (test.test_concurrent_futures.FutureTests)
... ok
test_done_callback_raises (test.test_concurrent_futures.FutureTests) ... ok
test_done_callback_with_cancel (test.test_concurrent_futures.FutureTests) ... ok

test_done_callback_with_exception (test.test_concurrent_futures.FutureTests) ...
ok
test_done_callback_with_result (test.test_concurrent_futures.FutureTests) ... ok

test_exception_with_success (test.test_concurrent_futures.FutureTests) ... ok
test_exception_with_timeout (test.test_concurrent_futures.FutureTests) ... ok
test_repr (test.test_concurrent_futures.FutureTests) ... ok
test_result_with_cancel (test.test_concurrent_futures.FutureTests) ... ok
test_result_with_success (test.test_concurrent_futures.FutureTests) ... ok
test_result_with_timeout (test.test_concurrent_futures.FutureTests) ... ok
test_running (test.test_concurrent_futures.FutureTests) ... ok
test_context_manager_shutdown (test.test_concurrent_futures.ProcessPoolShutdownT
est) ... ok
test_del_shutdown (test.test_concurrent_futures.ProcessPoolShutdownTest) ... ok
test_processes_terminate (test.test_concurrent_futures.ProcessPoolShutdownTest)
... ok
test_run_after_shutdown (test.test_concurrent_futures.ProcessPoolShutdownTest) .
.. ok
test_context_manager_shutdown (test.test_concurrent_futures.ThreadPoolShutdownTe
st) ... ok
test_del_shutdown (test.test_concurrent_futures.ThreadPoolShutdownTest) ... ok
test_run_after_shutdown (test.test_concurrent_futures.ThreadPoolShutdownTest) ..
. ok
test_threads_terminate (test.test_concurrent_futures.ThreadPoolShutdownTest) ...
ok

======================================================================
FAIL: test_map_timeout (test.test_concurrent_futures.ProcessPoolExecutorTest)
----------------------------------------------------------------------

Traceback (most recent call last):
  File "Y:\py3k\__svn__\lib\test\test_concurrent_futures.py", line 572, in test_
map_timeout
    self.assertEquals([42, 42], results)
AssertionError: Lists differ: [42, 42] != []

First list contains 2 additional elements.
First extra element 0:
42

[42, 42]
+ []

======================================================================
FAIL: test_timeout (test.test_concurrent_futures.ProcessPoolWaitTests)
----------------------------------------------------------------------

Traceback (most recent call last):
  File "Y:\py3k\__svn__\lib\test\test_concurrent_futures.py", line 442, in test_
timeout
    future1]), finished)
AssertionError: Items in the first set but not the second:
<Future at 0x2e7e330 state=running>

Ran 55 tests in 48.469s

FAILED (failures=2)
test test_concurrent_futures failed -- multiple errors occurred
1 test failed:
test_concurrent_futures
[106578 refs]

brianquinlan · 2010-11-19T00:17:24Z

Could you try rerunning the tests with the attached patch? It could be that your machines are just terribly slow at starting new Python instances.

pitrou · 2010-11-19T20:55:02Z

Then I get more failures:

======================================================================
FAIL: test_map_timeout (test.test_concurrent_futures.ProcessPoolExecutorTest)
----------------------------------------------------------------------

Traceback (most recent call last):
  File "Y:\py3k\__svn__\lib\test\test_concurrent_futures.py", line 563, in test_
map_timeout
    timeout=10):
  File "Y:\py3k\__svn__\lib\concurrent\futures\_base.py", line 546, in map
    yield future.result(end_time - time.time())
  File "Y:\py3k\__svn__\lib\concurrent\futures\_base.py", line 400, in result
    return self.__get_result()
  File "Y:\py3k\__svn__\lib\concurrent\futures\_base.py", line 352, in __get_res
ult
    raise self._exception
AssertionError

======================================================================
FAIL: test_map_timeout (test.test_concurrent_futures.ThreadPoolExecutorTest)
----------------------------------------------------------------------

Traceback (most recent call last):
  File "Y:\py3k\__svn__\lib\test\test_concurrent_futures.py", line 563, in test_
map_timeout
    timeout=10):
  File "Y:\py3k\__svn__\lib\concurrent\futures\_base.py", line 546, in map
    yield future.result(end_time - time.time())
  File "Y:\py3k\__svn__\lib\concurrent\futures\_base.py", line 400, in result
    return self.__get_result()
  File "Y:\py3k\__svn__\lib\concurrent\futures\_base.py", line 352, in __get_res
ult
    raise self._exception
  File "Y:\py3k\__svn__\lib\concurrent\futures\thread.py", line 65, in run
    result = self.fn(*self.args, **self.kwargs)
  File "Y:\py3k\__svn__\lib\test\test_concurrent_futures.py", line 132, in __cal
l__
    super().__call__()
  File "Y:\py3k\__svn__\lib\test\test_concurrent_futures.py", line 107, in __cal
l__
    self._wait_on_event(self._can_finish)
  File "Y:\py3k\__svn__\lib\test\test_concurrent_futures.py", line 79, in _wait_
on_event
    assert r == 0
AssertionError

======================================================================
FAIL: test_timeout (test.test_concurrent_futures.ProcessPoolWaitTests)
----------------------------------------------------------------------

Traceback (most recent call last):
  File "Y:\py3k\__svn__\lib\test\test_concurrent_futures.py", line 442, in test_
timeout
    future1]), finished)
AssertionError: Items in the second set but not the first:
<Future at 0x2c73a80 state=finished raised AssertionError>

======================================================================
FAIL: test_timeout (test.test_concurrent_futures.ThreadPoolWaitTests)
----------------------------------------------------------------------

Traceback (most recent call last):
  File "Y:\py3k\__svn__\lib\test\test_concurrent_futures.py", line 442, in test_
timeout
    future1]), finished)
AssertionError: Items in the second set but not the first:
<Future at 0x2c99740 state=finished raised AssertionError>

Ran 55 tests in 64.828s

FAILED (failures=4)

brianquinlan · 2010-11-19T21:51:58Z

Could you try with the patch that I just attached? And thanks for you help, I really appreciated it!

pitrou · 2010-11-19T22:08:46Z

Could you try with the patch that I just attached? And thanks for you
help, I really appreciated it!

It works ok indeed.

brianquinlan · 2010-11-20T04:10:08Z

Fixed in r10183

pitrou assigned brianquinlan Oct 23, 2010

pitrou added stdlib Python modules in the Lib dir type-bug An unexpected behavior, bug, or error labels Oct 23, 2010

brianquinlan closed this as completed Nov 20, 2010

ezio-melotti transferred this issue from another repository Apr 10, 2022

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test_concurrent_futures failure on Windows #54392

test_concurrent_futures failure on Windows #54392

pitrou commented Oct 23, 2010

pitrou commented Oct 23, 2010

brianquinlan commented Nov 18, 2010

pitrou commented Nov 18, 2010

brianquinlan commented Nov 19, 2010

pitrou commented Nov 19, 2010

brianquinlan commented Nov 19, 2010

pitrou commented Nov 19, 2010

brianquinlan commented Nov 20, 2010

test_concurrent_futures failure on Windows #54392

test_concurrent_futures failure on Windows #54392

Comments

pitrou commented Oct 23, 2010

pitrou commented Oct 23, 2010

brianquinlan commented Nov 18, 2010

pitrou commented Nov 18, 2010

brianquinlan commented Nov 19, 2010

pitrou commented Nov 19, 2010

brianquinlan commented Nov 19, 2010

pitrou commented Nov 19, 2010

brianquinlan commented Nov 20, 2010