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From Fraser Adams <fraser.ad...@blueyonder.co.uk>
Subject Re: We've got an App for that .... Qpid Web Based GUI - and more - just released.
Date Wed, 06 Feb 2013 19:57:43 GMT

>>> Is it just msgDepth or do you see the same for msgTotalEnqueues msgTotalDequeues
> msgDepth only (event with 1.1 version). All the other pages work pretty fine.
> Best Regards,
> Sergey
Thanks for the clarification I've got a hunch about it..... In the 
graphs page JavaScript there's a line that goes:

while((stats.get(i)[TIMESTAMP] < minimumTimestamp) && (i < limit)) i++;

ISTR having intermittent issues with that a while back, though TBH it 
was *really* infrequent on my set up so I forgot about it. I'd be 
willing to bet it's that line that's the cause of the problem you're 
seeing, though given the infrequency for me quite the scenario that 
causes that condition I'm less sure on, I'll spend a bit of time trying 
to consistently break it.

I could put a bit more defensive code around it, almost certainly it's 
get(...) returning with null, but I'd rather figure out the cause first 
than just defend against the symptom.

I *hate* bugs like that, it's like it'll take me ten minutes to fix 
after I've spent two days trying to reproduce it :-) c'est la vie

Hope it's not a show-stopper for you.


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