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test_socket.test_create_connection() failed with EADDRNOTAVAIL (err 99) #76091

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test_socket.test_create_connection() failed with EADDRNOTAVAIL (err 99)#76091
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3.7 (EOL)end of lifetestsTests in the Lib/test dirtype-bugAn unexpected behavior, bug, or error

Description

@vstinner
vstinner
opened on Oct 31, 2017
BPO 31910
Nosy @vstinner, @berkerpeksag, @vadmium, @serhiy-storchaka
PRs
  • bpo-31910: Fix test_socket.test_create_connection() #4206
  • [3.6] bpo-31910: Fix test_socket.test_create_connection() (GH-4206) #4208
  • [2.7] bpo-31910: Fix test_socket.test_create_connection() (GH-4206) #4209
    		•

    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 = None
closed_at = <Date 2017-11-08.13:53:09.547>
created_at = <Date 2017-10-31.17:05:22.577>
labels = ['3.7', 'type-bug', 'tests']
title = 'test_socket.test_create_connection() failed with EADDRNOTAVAIL (err 99)'
updated_at = <Date 2017-11-08.13:53:09.545>
user = 'https://github.com/vstinner'

    bugs.python.org fields:

    activity = <Date 2017-11-08.13:53:09.545>
actor = 'vstinner'
assignee = 'none'
closed = True
closed_date = <Date 2017-11-08.13:53:09.547>
closer = 'vstinner'
components = ['Tests']
creation = <Date 2017-10-31.17:05:22.577>
creator = 'vstinner'
dependencies = []
files = []
hgrepos = []
issue_num = 31910
keywords = ['patch']
message_count = 8.0
messages = ['305316', '305336', '305346', '305353', '305376', '305377', '305821', '305842']
nosy_count = 4.0
nosy_names = ['vstinner', 'berker.peksag', 'martin.panter', 'serhiy.storchaka']
pr_nums = ['4206', '4208', '4209']
priority = 'normal'
resolution = 'fixed'
stage = 'resolved'
status = 'closed'
superseder = None
type = 'behavior'
url = 'https://bugs.python.org/issue31910'
versions = ['Python 3.7']

    Activity

    1. vstinner commented on Oct 31, 2017

      @vstinner
      vstinner
      on Oct 31, 2017
      MemberAuthor

      On my PR 4200 which is unrelated to networking, the following test failed once.

      FAIL: test_create_connection (test.test_socket.NetworkConnectionNoServer)
      ----------------------------------------------------------------------

      Traceback (most recent call last):
  File "/home/travis/build/python/cpython/Lib/test/test_socket.py", line 4537, in test_create_connection
    self.assertIn(cm.exception.errno, expected_errnos)
AssertionError: 99 not found in [111, 101]

      With error codes:

      • 99: EADDRNOTAVAIL: Cannot assign requested address
      • 111: ECONNREFUSED: Connection refused
      • 101: ENETUNREACH: Network is unreachable

      Maybe we shold include EADDRNOTAVAIL in the expected error codes?

    2. vstinner
      added
      3.7 (EOL)end of life
      testsTests in the Lib/test dir
      on Oct 31, 2017

    3. serhiy-storchaka commented on Oct 31, 2017

      @serhiy-storchaka
      serhiy-storchaka
      on Oct 31, 2017
      Member

      I'm not a networking but it seems reasonable. If I understand correctly, EADDRNOTAVAIL can be raised on the Travis CI when a large number of network connections are created simultaneously by other CI tests.

      Or maybe just repeat the test if EADDRNOTAVAIL is raised?

    4. vstinner commented on Nov 1, 2017

      @vstinner
      vstinner
      on Nov 1, 2017
      MemberAuthor

      Or maybe just repeat the test if EADDRNOTAVAIL is raised?

      I don't think that it's worth it.

    5. vstinner commented on Nov 1, 2017

      @vstinner
      vstinner
      on Nov 1, 2017
      MemberAuthor

      New changeset 280c22a by Victor Stinner in branch 'master':
      Fix test_socket.test_create_connection() (bpo-4206)
      280c22a

    6. vstinner commented on Nov 1, 2017

      @vstinner
      vstinner
      on Nov 1, 2017
      MemberAuthor

      New changeset 89b84b0 by Victor Stinner (Miss Islington (bot)) in branch '3.6':
      Fix test_socket.test_create_connection() (GH-4206) (bpo-4208)
      89b84b0

    7. vstinner commented on Nov 1, 2017

      @vstinner
      vstinner
      on Nov 1, 2017
      MemberAuthor

      New changeset 4b73a79 by Victor Stinner (Miss Islington (bot)) in branch '2.7':
      Fix test_socket.test_create_connection() (GH-4206) (bpo-4209)
      4b73a79

    8. berkerpeksag commented on Nov 8, 2017

      @berkerpeksag
      berkerpeksag
      on Nov 8, 2017
      Member

      I don't see this failure on Travis for a while now. Can this issue be closed?

    9. berkerpeksag
      added
      type-bugAn unexpected behavior, bug, or error
      on Nov 8, 2017

    10. vstinner commented on Nov 8, 2017

      @vstinner
      vstinner
      on Nov 8, 2017
      MemberAuthor

      I don't see this failure on Travis for a while now. Can this issue be closed?

      Since the failure occurred randomly, we cannot make sure that the bug is really fixed. Usually in this case, I close the issue, but reopen it if the bug comes back.

      So yes, I close the issue right now.

    11. vstinner
      closed this as completedon Nov 8, 2017
    12. ezio-melotti
      transferred this issue fromon Apr 10, 2022
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