Keith Wall created QPID-6117:
--------------------------------
Summary: [08..091] Race condition during close causes sporadic
test failure
Key: QPID-6117
URL: https://issues.apache.org/jira/browse/QPID-6117
Project: Qpid
Issue Type: Bug
Components: Python Client
Environment: Python 2.7.5 (default, Mar 9 2014, 22:15:05)
Mac OS X Darwin 13.3.0 Darwin Kernel Version 13.3.0: Tue Jun 3 21:27:35 PDT
2014; root:xnu-2422.110.17~1/RELEASE_X86_64 x86_64
Reporter: Keith Wall
Running the Python suit (08..091) on a Mac shows a sporadic test failure with
the following stack trace:
{noformat]
Error during teardown: Traceback (most recent call last):
File "./qpid-python-test", line 340, in run
phase()
File "/Users/keith/src/qpid/qpid/python/qpid/testlib.py", line 77, in
tearDown
self.client.close()
File "/Users/keith/src/qpid/qpid/python/qpid/client.py", line 129, in close
self.socket.close()
File "/Users/keith/src/qpid/qpid/python/qpid/connection08.py", line 63, in
close
self.sock.shutdown(SHUT_RDWR)
File
"/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/socket.py",
line 224, in meth
return getattr(self._sock,name)(*args)
error: [Errno 57] Socket is not connected
{noformat}
The issue is a race between the client and server side. The unlucky timing
(causing the stack trace) is where the server side closes the socket first,
meaning the client's attempt to shutdown down the socket throws error 57.
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