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From Ganesh Murthy <gmur...@redhat.com>
Subject Re: [Qpid Dispatch - 0.7.0] Random failure on unit test "system_tests_link_routes" on Linux
Date Tue, 28 Feb 2017 14:58:37 GMT
Hi Adel,
   We did notice the same problem you are seeing and we did end up increasing the timeout
from 5 to 10 (although on a different test) as seen in this commit on master branch - 

https://github.com/apache/qpid-dispatch/commit/5e6b2e65b2ea9614d7619711961d38aceefb49d4

Is it correct that even when you increased the timeout to 100, the test still fails randomly?

Thanks.

----- Original Message -----
> From: "Adel Boutros" <Adelboutros@live.com>
> To: users@qpid.apache.org
> Sent: Tuesday, February 28, 2017 9:00:36 AM
> Subject: Re: [Qpid Dispatch - 0.7.0] Random failure on unit test "system_tests_link_routes"
on Linux
> 
> I increased the timeout from 5 to 100 and the test which now takes 110
> seconds instead of 10 seconds is still failing. After re-checking, the error
> message is actually the same on each failure. I think there is an issue
> here.
> 
> 
> My patch:
> 
> 
> diff --git a/tests/system_tests_drain_support.py
> b/tests/system_tests_drain_support.py
> index e4bd2bc..9a4a86f 100644
> --- a/tests/system_tests_drain_support.py
> +++ b/tests/system_tests_drain_support.py
> @@ -46,7 +46,7 @@ class DrainMessagesHandler(MessagingHandler):
>          self.conn.close()
> 
>      def on_start(self, event):
> -        self.timer = event.reactor.schedule(5, Timeout(self))
> +        self.timer = event.reactor.schedule(100, Timeout(self))
>          self.conn = event.container.connect(self.address)
> 
>          # Create a sender and a receiver. They are both listening on the
>          same address
> 
> 
> ==================
> 
> Error
> 
> ===================
> 
> 
> 13: FAIL: test_www_drain_support_all_messages
> (system_tests_link_routes.LinkRouteTest)
> 13: ----------------------------------------------------------------------
> 13: Traceback (most recent call last):
> 13:   File "/qpid-dispatch-0.7.0/tests/system_tests_link_routes.py", line
> 489, in test_www_drain_support_all_messages
> 13:     self.assertEqual(None, drain_support.error)
> 13: AssertionError: None != 'Timeout Expired: sent: 10 rcvd: 8'
> 13:
> 13: ----------------------------------------------------------------------
> 13: Ran 15 tests in 109.933s
> 13:
> 13: FAILED (failures=1)
> 1/1 Test #13: system_tests_link_routes .........***Failed  110.16 sec
> 
> Regards,
> 
> Adel
> 
> ________________________________
> From: Adel Boutros <Adelboutros@live.com>
> Sent: Tuesday, February 28, 2017 2:47:16 PM
> To: users@qpid.apache.org
> Subject: [Qpid Dispatch - 0.7.0] Random failure on unit test
> "system_tests_link_routes" on Linux
> 
> Hello,
> 
> 
> I noticed a random issue with the Dispatch Router 0.7.0 which has a random
> failure in the test "system_tests_link_routes".
> 
> I launch the same test 10 times, it fails randomly (Failure occurs at the 4th
> or 5th run) but always with a similar error. It seems the timeout of 5
> milliseconds is not enough especially on slow machines.
> 
> 
> I had submitted a patch for a similar task
> (https://issues.apache.org/jira/browse/DISPATCH-627)
> 
> 
> Can you please confirm?
> 
> 
> Regards,
> 
> Adel
> 
> 
> 13: ======================================================================
> 13: FAIL: test_www_drain_support_all_messages
> (system_tests_link_routes.LinkRouteTest)
> 13: ----------------------------------------------------------------------
> 13: Traceback (most recent call last):
> 13:   File "/qpid-dispatch-0.7.0/tests/system_tests_link_routes.py", line
> 489, in test_www_drain_support_all_messages
> 13:     self.assertEqual(None, drain_support.error)
> 13: AssertionError: None != 'Timeout Expired: sent: 10 rcvd: 8'
> 
> 
> 

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