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test_logging: test_udp_reconnection() fails randomly #107237

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vstinner opened this issue Jul 25, 2023 · 0 comments
Closed

test_logging: test_udp_reconnection() fails randomly #107237

vstinner opened this issue Jul 25, 2023 · 0 comments
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type-bug An unexpected behavior, bug, or error

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@vstinner
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vstinner commented Jul 25, 2023 •
edited by bedevere-bot

Example on Linux:

$ ./python -m test test_logging -m test_udp_reconnection -F -j100 -v
== CPython 3.13.0a0 (heads/remove_structmember:438462a3a0, Jul 25 2023, 14:21:21) [GCC 13.1.1 20230614 (Red Hat 13.1.1-4)]
== Linux-6.3.12-200.fc38.x86_64-x86_64-with-glibc2.37 little-endian
== Python build: debug
== cwd: /home/vstinner/python/main/build/test_python_694431æ
== CPU count: 12
== encodings: locale=UTF-8, FS=utf-8
0:00:00 load avg: 4.60 Run tests in parallel using 100 child processes
(...)
0:00:10 load avg: 20.39 [ 18] test_logging passed
test_udp_reconnection (test.test_logging.IPv6SysLogHandlerTest.test_udp_reconnection) ... ok
test_udp_reconnection (test.test_logging.SysLogHandlerTest.test_udp_reconnection) ... ok
test_udp_reconnection (test.test_logging.UnixSysLogHandlerTest.test_udp_reconnection) ... ok

----------------------------------------------------------------------
Ran 3 tests in 0.305s

OK
0:00:10 load avg: 20.39 [ 19/1] test_logging failed (1 failure)
test_udp_reconnection (test.test_logging.IPv6SysLogHandlerTest.test_udp_reconnection) ... FAIL
test_udp_reconnection (test.test_logging.SysLogHandlerTest.test_udp_reconnection) ... ok
test_udp_reconnection (test.test_logging.UnixSysLogHandlerTest.test_udp_reconnection) ... ok

======================================================================
FAIL: test_udp_reconnection (test.test_logging.IPv6SysLogHandlerTest.test_udp_reconnection)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/home/vstinner/python/main/Lib/test/test_logging.py", line 2101, in test_udp_reconnection
    self.assertEqual(self.log_output, b'<11>sp\xc3\xa4m\x00')
AssertionError: b'' != b'<11>sp\xc3\xa4m\x00'
(...)

Linked PRs
@vstinner vstinner added the type-bug An unexpected behavior, bug, or error label Jul 25, 2023
vstinner added a commit to vstinner/cpython that referenced this issue Jul 25, 2023
@vstinner
pythongh-107237: Fix test_udp_reconnection() of test_logging
f2c961d 
test_logging: Fix test_udp_reconnection() by increasing the timeout
from 100 ms to 5 minutes (LONG_TIMEOUT).

Replace also blocking wait() with wait(LONG_TIMEOUT) in
test_output() to prevent the test to hang.
@bedevere-bot bedevere-bot mentioned this issue Jul 25, 2023
Merged
vstinner added a commit that referenced this issue Jul 25, 2023
@vstinner
gh-107237: Fix test_udp_reconnection() of test_logging (#107238)
ed08238 
test_logging: Fix test_udp_reconnection() by increasing the timeout
from 100 ms to 5 minutes (LONG_TIMEOUT).

Replace also blocking wait() with wait(LONG_TIMEOUT) in
test_output() to prevent the test to hang.
@bedevere-bot bedevere-bot mentioned this issue Jul 25, 2023
Merged
miss-islington pushed a commit to miss-islington/cpython that referenced this issue Jul 25, 2023
@vstinner @miss-islington
pythongh-107237: Fix test_udp_reconnection() of test_logging (pythonG…
41a3b3b 
…H-107238)

test_logging: Fix test_udp_reconnection() by increasing the timeout
from 100 ms to 5 minutes (LONG_TIMEOUT).

Replace also blocking wait() with wait(LONG_TIMEOUT) in
test_output() to prevent the test to hang.
(cherry picked from commit ed08238)

Co-authored-by: Victor Stinner <vstinner@python.org>
miss-islington pushed a commit to miss-islington/cpython that referenced this issue Jul 25, 2023
@vstinner @miss-islington
pythongh-107237: Fix test_udp_reconnection() of test_logging (pythonG…
9f69bc4 
…H-107238)

test_logging: Fix test_udp_reconnection() by increasing the timeout
from 100 ms to 5 minutes (LONG_TIMEOUT).

Replace also blocking wait() with wait(LONG_TIMEOUT) in
test_output() to prevent the test to hang.
(cherry picked from commit ed08238)

Co-authored-by: Victor Stinner <vstinner@python.org>
miss-islington pushed a commit to miss-islington/cpython that referenced this issue Jul 25, 2023
@vstinner @miss-islington
pythongh-107237: Fix test_udp_reconnection() of test_logging (pythonG…
fd6d9ed 
…H-107238)

test_logging: Fix test_udp_reconnection() by increasing the timeout
from 100 ms to 5 minutes (LONG_TIMEOUT).

Replace also blocking wait() with wait(LONG_TIMEOUT) in
test_output() to prevent the test to hang.
(cherry picked from commit ed08238)

Co-authored-by: Victor Stinner <vstinner@python.org>
@bedevere-bot bedevere-bot mentioned this issue Jul 25, 2023
Merged
vstinner added a commit that referenced this issue Jul 25, 2023
@miss-islington @vstinner
[3.12] gh-107237: Fix test_udp_reconnection() of test_logging (GH-107238
e788c0a 
) (#107242)

gh-107237: Fix test_udp_reconnection() of test_logging (GH-107238)

test_logging: Fix test_udp_reconnection() by increasing the timeout
from 100 ms to 5 minutes (LONG_TIMEOUT).

Replace also blocking wait() with wait(LONG_TIMEOUT) in
test_output() to prevent the test to hang.
(cherry picked from commit ed08238)

Co-authored-by: Victor Stinner <vstinner@python.org>
miss-islington pushed a commit to miss-islington/cpython that referenced this issue Jul 25, 2023
@vstinner @miss-islington
pythongh-107237: Fix test_udp_reconnection() of test_logging (pythonG…
0cfd3fb 
…H-107238)

test_logging: Fix test_udp_reconnection() by increasing the timeout
from 100 ms to 5 minutes (LONG_TIMEOUT).

Replace also blocking wait() with wait(LONG_TIMEOUT) in
test_output() to prevent the test to hang.
(cherry picked from commit ed08238)

Co-authored-by: Victor Stinner <vstinner@python.org>
vstinner added a commit to vstinner/cpython that referenced this issue Jul 25, 2023
@vstinner
pythongh-107237: Fix test_udp_reconnection() of test_logging (python#…
9bc5307 
…107238)

test_logging: Fix test_udp_reconnection() by increasing the timeout
from 100 ms to 5 minutes (LONG_TIMEOUT).

Replace also blocking wait() with wait(LONG_TIMEOUT) in
test_output() to prevent the test to hang.

(cherry picked from commit ed08238)
@bedevere-bot bedevere-bot mentioned this issue Jul 25, 2023
Merged
vstinner added a commit that referenced this issue Jul 25, 2023
@vstinner
[3.11] gh-107237: Fix test_udp_reconnection() of test_logging (#107238)…
db03cb9 
… (#107245)

gh-107237: Fix test_udp_reconnection() of test_logging (#107238)

test_logging: Fix test_udp_reconnection() by increasing the timeout
from 100 ms to 5 minutes (LONG_TIMEOUT).

Replace also blocking wait() with wait(LONG_TIMEOUT) in
test_output() to prevent the test to hang.

(cherry picked from commit ed08238)
jtcave pushed a commit to jtcave/cpython that referenced this issue Jul 27, 2023
@vstinner @jtcave
pythongh-107237: Fix test_udp_reconnection() of test_logging (python#…
df8fb86 
…107238)

test_logging: Fix test_udp_reconnection() by increasing the timeout
from 100 ms to 5 minutes (LONG_TIMEOUT).

Replace also blocking wait() with wait(LONG_TIMEOUT) in
test_output() to prevent the test to hang.
serhiy-storchaka pushed a commit that referenced this issue Aug 16, 2023
@miss-islington @vstinner
[3.11] gh-107237: Fix test_udp_reconnection() of test_logging (GH-107238
4f35d4f 
) (GH-107243)

test_logging: Fix test_udp_reconnection() by increasing the timeout
from 100 ms to 5 minutes (LONG_TIMEOUT).

Replace also blocking wait() with wait(LONG_TIMEOUT) in
test_output() to prevent the test to hang.
(cherry picked from commit ed08238)

Co-authored-by: Victor Stinner <vstinner@python.org>
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