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https://issues.apache.org/jira/browse/DISPATCH-1603?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jiri Daněk resolved DISPATCH-1603.
----------------------------------
Fix Version/s: 1.13.0
Resolution: Cannot Reproduce
> [macOS] Failure in
> system_tests_multicast.MulticastLinearTest#test_01_presettled_large_msg_rx_detach
> ----------------------------------------------------------------------------------------------------
>
> Key: DISPATCH-1603
> URL: https://issues.apache.org/jira/browse/DISPATCH-1603
> Project: Qpid Dispatch
> Issue Type: Bug
> Affects Versions: 1.10.0
> Environment: macOS 10.14 Mojave, Python 3.7
> Reporter: Jiri Daněk
> Priority: Major
> Labels: macOS
> Fix For: 1.13.0
>
>
> Travis CI https://travis-ci.org/github/apache/qpid-dispatch/jobs/662307196
> {noformat}
> 59: ======================================================================
> 59: ERROR: test_01_presettled_large_msg_rx_detach
> (system_tests_multicast.MulticastLinearTest)
> 59: ----------------------------------------------------------------------
> 59: Traceback (most recent call last):
> 59: File
> "/Users/travis/build/apache/qpid-dispatch/tests/system_tests_multicast.py",
> line 241, in test_01_presettled_large_msg_rx_detach
> 59: self._presettled_large_msg_rx_detach(self.config, 10, ['R-INT_A-2',
> 'R-INT_B-1'])
> 59: File
> "/Users/travis/build/apache/qpid-dispatch/tests/system_tests_multicast.py",
> line 236, in _presettled_large_msg_rx_detach
> 59: test.run()
> 59: File
> "/Users/travis/build/apache/qpid-dispatch/tests/system_tests_multicast.py",
> line 628, in run
> 59: Container(self).run()
> 59: File
> "/Users/travis/build/apache/qpid-dispatch/qpid-proton/python/proton/_reactor.py",
> line 180, in run
> 59: while self.process(): pass
> 59: File
> "/Users/travis/build/apache/qpid-dispatch/qpid-proton/python/proton/_reactor.py",
> line 237, in process
> 59: event.dispatch(handler)
> 59: File
> "/Users/travis/build/apache/qpid-dispatch/qpid-proton/python/proton/_events.py",
> line 165, in dispatch
> 59: self.dispatch(h, type)
> 59: File
> "/Users/travis/build/apache/qpid-dispatch/qpid-proton/python/proton/_events.py",
> line 165, in dispatch
> 59: self.dispatch(h, type)
> 59: File
> "/Users/travis/build/apache/qpid-dispatch/qpid-proton/python/proton/_events.py",
> line 162, in dispatch
> 59: _dispatch(handler, type.method, self)
> 59: File
> "/Users/travis/build/apache/qpid-dispatch/qpid-proton/python/proton/_events.py",
> line 123, in _dispatch
> 59: m(*args)
> 59: File
> "/Users/travis/build/apache/qpid-dispatch/qpid-proton/python/proton/_handlers.py",
> line 253, in on_delivery
> 59: event.message = recv_msg(dlv)
> 59: File
> "/Users/travis/build/apache/qpid-dispatch/qpid-proton/python/proton/_handlers.py",
> line 140, in recv_msg
> 59: msg.decode(delivery.link.recv(delivery.pending))
> 59: File
> "/Users/travis/build/apache/qpid-dispatch/qpid-proton/python/proton/_message.py",
> line 488, in decode
> 59: self._check(pn_message_decode(self._msg, data))
> 59: File
> "/Users/travis/build/apache/qpid-dispatch/qpid-proton/python/proton/_message.py",
> line 87, in _check
> 59: raise exc("[%s]: %s" % (err,
> pn_error_text(pn_message_error(self._msg))))
> 59: proton._exceptions.MessageException: [-4]: data error: not enough data to
> decode
> {noformat}
> Expected payload in the test is defined like this (from
> {{system_tests_multicast}})
> {noformat}
> MAX_FRAME=1023
> LINK_CAPACITY=250
> W_THREADS=2
> LARGE_PAYLOAD = ("X" * MAX_FRAME) * 19
> [...]
> def _presettled_large_msg_rx_detach(self, config, count, drop_clients):
> # detach receivers during receive
> body = " MCAST PRESETTLED LARGE RX DETACH " + LARGE_PAYLOAD
> {noformat}
> That means {{len(LARGE_PAYLOAD) == 19437}}. What gets decoded in
> {{qpid-proton/python/proton/_message.py}} is smaller, {{len(data) == 16384}}.
> It happens that {{2**14 == 16384}}. That might be a clue?
> If I make LARGE_PAYLOAD smaller, {{LARGE_PAYLOAD = ("X" * MAX_FRAME) * 13}}
> the test starts passing. All the other tests in the class then start passing
> too.
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