Caldarale, Charles R wrote:
>
>> From: czeno2002 [mailto:czeno2...@yahoo.com]
>> Subject: Tomcat ReadTimout on Http post
>>
>> I'm experiencing a really ugly readtimout problem in the production
>> system started a couple of days ago. The main problem is that there
>> is no way to reproduce it at all and it happens only on the production
>> boxes aprox 5 times at every hour.
>
> That sounds like it's reproducible to me - you just have to wait a bit.
>
>> Does somebody has some ideas ?
>
> Does the Cisco box have any means of logging an hour's worth of traffic?
> If not, can you enable the AccessLogValve in each Tomcat?
>
> What generates the POSTs? If it's JavaScript on the page, is it possible
> it's broken under some odd conditions? Is it possible that some users are
> double-clicking some button on the browser, causing a request to be fired
> off, then quickly abandoned for another?
>
> - Chuck
>
>
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Hi Chuck,
Thanks for feedback,
Enable loggin on Cisco LB is not really possible in production. Regarding
AccessLogValve we already have activated this logging too, but do not helps
as too much in order to find out the cause of the problem.
The POST is genereated by jQuery on front end and side and contains some
simple and short ( aprox. 60 characheter length) json messages. The double
click scenario is excluded because we disable the buttons after the user
clicked on it.
What we want to try now is to put a sniffer between the cisco and one of the
tomcat and to see if we find something. We expect to find some inconsistent
data or something ...., but if not, I do not know what we can do next ....
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