[ovirt-devel] [VDSM] Flaky stompTests tests

[Sandro Bonazzola]

On Tue, Apr 26, 2016 at 10:40 AM, Piotr Kliczewski <pkliczew at redhat.com>
wrote:

> Simone,
>
> The issue you are seeing is very interesting - a message we add to a deque
> disappear next time we check and according the log you provided there is no
> code  accessing the deque. It happens only for one specific message. All
> the other messages work ok. Can you please gather logs so we could see what
> is really happening with it?
>

And open a BZ fir tracking this too, please.



> Thanks,
> Piotr
> 26 kwi 2016 10:18 "Simone Tiraboschi" <stirabos at redhat.com> napisał(a):
>
>> 2016-04-25 20:15 GMT+02:00 Nir Soffer <nsoffer at redhat.com>:
>> > Hi all,
>> >
>> > We see random failures in the stomp tests for long time.
>> >
>> > I suggest we mark these tests as broken for now.
>> >
>> > See examples at the end of the message.
>> >
>> > Nir
>> >
>> > ----
>> >
>>
>> > 17:14:24
>> ======================================================================
>> > 17:14:24 ERROR: test_event(False) (stompTests.StompTests)
>> > 17:14:24
>> ----------------------------------------------------------------------
>> > 17:14:24 Traceback (most recent call last):
>> > 17:14:24   File
>> >
>> "/home/jenkins/workspace/vdsm_master_check-patch-fc23-x86_64/vdsm/tests/testlib.py",
>> > line 74, in wrapper
>> > 17:14:24     return f(self, *args)
>> > 17:14:24   File
>> >
>> "/home/jenkins/workspace/vdsm_master_check-patch-fc23-x86_64/vdsm/tests/stompTests.py",
>> > line 110, in test_event
>> > 17:14:24     client.callMethod("event", [], str(uuid4()))
>> > 17:14:24   File
>> >
>> "/home/jenkins/workspace/vdsm_master_check-patch-fc23-x86_64/vdsm/lib/yajsonrpc/__init__.py",
>> > line 340, in callMethod
>> > 17:14:24     raise JsonRpcNoResponseError(methodName)
>> > 17:14:24 JsonRpcNoResponseError: [-32605] No response for JSON-RPC
>> > event request.
>>
>> I'd suggest to investigate this a bit more since it can hide a serious
>> issue.
>> I'm moving hosted-engine-setup from XMLRPC to JsonRPC and I'm facing
>> exactly this kind of issue: it seams that some requests got lost and I
>> just receive a JsonRpcNoResponseError after a long time.
>> The real issue is that my request never reached VDSM getting lost
>> somehow in the queuing mechanism.
>>
>
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-- 
Sandro Bonazzola
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