Alex Rudyy created QPID-7588:
--------------------------------
Summary: [Python Client 0-8..0-91] The received message
ocasionally might not be dispatched into the application queue in timely manner
Key: QPID-7588
URL: https://issues.apache.org/jira/browse/QPID-7588
Project: Qpid
Issue Type: Bug
Components: Python Client
Affects Versions: qpid-python-1.35.0
Reporter: Alex Rudyy
The python test
{{qpid_tests.broker_0_9.echo.EchoTests.test_largest_single_frame_message}} for
0.9 AMQP protocol fails occasionally with the following stack trace:
{noformat}
qpid_tests.broker_0_9.echo.EchoTests.test_largest_single_frame_message (from
(TEST-python_pre1.0.xml))
Failing for the past 1 build (Since Failed#1256 )
Took 14 sec.
Stacktrace
Error during test: Traceback (most recent call last):
File
"/home/jenkins/jenkins-slave/workspace/Qpid-Python-Java-Test/site-packages/bin/qpid-python-test",
line 340, in run
phase()
File
"/home/jenkins/jenkins-slave/workspace/Qpid-Python-Java-Test/site-packages/lib/python2.7/site-packages/qpid_tests/broker_0_9/echo.py",
line 45, in test_largest_single_frame_message
self.echo_message(body)
File
"/home/jenkins/jenkins-slave/workspace/Qpid-Python-Java-Test/site-packages/lib/python2.7/site-packages/qpid_tests/broker_0_9/echo.py",
line 61, in echo_message
msg = consumer.get(timeout=1)
File
"/home/jenkins/jenkins-slave/workspace/Qpid-Python-Java-Test/site-packages/lib/python2.7/site-packages/qpid/queue.py",
line 51, in get
result = BaseQueue.get(self, block, timeout)
File "/usr/lib/python2.7/Queue.py", line 176, in get
raise Empty
Empty
{noformat}
The client and broker logs have records of the message being received by the
client in timely manner (It took 3millisecond to deliver the message). However,
the received message was not put into the client queue and test failed.
It is unclear at the moment whether it is an issue with threads or a bug in
client code. More investigation is required.
The issue might cause sporadic timeouts in applications using 0.8...0.91 python
API.
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