[issue11812] transient socket failure to connect to 'localhost'

[STINNER Victor]

STINNER Victor <victor.stinner at haypocalc.com> added the comment:

> I only saw the failure on test_telnetlib, not in other tests
> using sockets.

Oh, the last failure of the buildbot "x86 Windows7 3.x" is on test_ftplib, not test_telnetlib!

======================================================================
ERROR: testTimeoutConnect (test.test_ftplib.TestTimeouts)
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Traceback (most recent call last):
  File "D:\cygwin\home\db3l\buildarea\3.x.bolen-windows7\build\lib\test\test_ftplib.py", line 948, in testTimeoutConnect
    ftp.connect(HOST, timeout=30)
  File "D:\cygwin\home\db3l\buildarea\3.x.bolen-windows7\build\lib\ftplib.py", line 148, in connect
    source_address=self.source_address)
  File "D:\cygwin\home\db3l\buildarea\3.x.bolen-windows7\build\lib\socket.py", line 407, in create_connection
    raise err
  File "D:\cygwin\home\db3l\buildarea\3.x.bolen-windows7\build\lib\socket.py", line 398, in create_connection
    sock.connect(sa)
socket.timeout: timed out

======================================================================
ERROR: testTimeoutDefault (test.test_ftplib.TestTimeouts)
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Traceback (most recent call last):
  File "D:\cygwin\home\db3l\buildarea\3.x.bolen-windows7\build\lib\test\test_ftplib.py", line 920, in testTimeoutDefault
    ftp = ftplib.FTP("localhost")
  File "D:\cygwin\home\db3l\buildarea\3.x.bolen-windows7\build\lib\ftplib.py", line 114, in __init__
    self.connect(host)
  File "D:\cygwin\home\db3l\buildarea\3.x.bolen-windows7\build\lib\ftplib.py", line 148, in connect
    source_address=self.source_address)
  File "D:\cygwin\home\db3l\buildarea\3.x.bolen-windows7\build\lib\socket.py", line 407, in create_connection
    raise err
  File "D:\cygwin\home\db3l\buildarea\3.x.bolen-windows7\build\lib\socket.py", line 398, in create_connection
    sock.connect(sa)
socket.timeout: timed out

======================================================================
ERROR: testTimeoutDifferentOrder (test.test_ftplib.TestTimeouts)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "D:\cygwin\home\db3l\buildarea\3.x.bolen-windows7\build\lib\test\test_ftplib.py", line 955, in testTimeoutDifferentOrder
    ftp.connect(HOST)
  File "D:\cygwin\home\db3l\buildarea\3.x.bolen-windows7\build\lib\ftplib.py", line 148, in connect
    source_address=self.source_address)
  File "D:\cygwin\home\db3l\buildarea\3.x.bolen-windows7\build\lib\socket.py", line 407, in create_connection
    raise err
  File "D:\cygwin\home\db3l\buildarea\3.x.bolen-windows7\build\lib\socket.py", line 398, in create_connection
    sock.connect(sa)
socket.timeout: timed out

======================================================================
ERROR: testTimeoutDirectAccess (test.test_ftplib.TestTimeouts)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "D:\cygwin\home\db3l\buildarea\3.x.bolen-windows7\build\lib\test\test_ftplib.py", line 963, in testTimeoutDirectAccess
    ftp.connect(HOST)
  File "D:\cygwin\home\db3l\buildarea\3.x.bolen-windows7\build\lib\ftplib.py", line 148, in connect
    source_address=self.source_address)
  File "D:\cygwin\home\db3l\buildarea\3.x.bolen-windows7\build\lib\socket.py", line 407, in create_connection
    raise err
  File "D:\cygwin\home\db3l\buildarea\3.x.bolen-windows7\build\lib\socket.py", line 398, in create_connection
    sock.connect(sa)
socket.timeout: timed out

======================================================================
ERROR: testTimeoutNone (test.test_ftplib.TestTimeouts)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "D:\cygwin\home\db3l\buildarea\3.x.bolen-windows7\build\lib\test\test_ftplib.py", line 932, in testTimeoutNone
    ftp = ftplib.FTP("localhost", timeout=None)
  File "D:\cygwin\home\db3l\buildarea\3.x.bolen-windows7\build\lib\ftplib.py", line 114, in __init__
    self.connect(host)
  File "D:\cygwin\home\db3l\buildarea\3.x.bolen-windows7\build\lib\ftplib.py", line 148, in connect
    source_address=self.source_address)
  File "D:\cygwin\home\db3l\buildarea\3.x.bolen-windows7\build\lib\socket.py", line 407, in create_connection
    raise err
  File "D:\cygwin\home\db3l\buildarea\3.x.bolen-windows7\build\lib\socket.py", line 398, in create_connection
    sock.connect(sa)
socket.error: [Errno 10061] No connection could be made because the target machine actively refused it

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue11812>
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