On 09/10/2024 03:33, Boris Petrov wrote:
I also have been experiencing the same issue (with Tomcat 9). 9.0.93
works fine. 9.0.94 is unusable. 9.0.95 and now 9.0.96 almost work but
sometimes I get the same behavior as with 9.0.94. I see it in my
integration tests - there are some sporadic failures here and there when
I upgrade from 9.0.93. Not sure how to help more but I just wanted to
chime in and say that Ahmed is not the only one still seeing the problem
even with the newest version.
What we need both to track down the root cause (I have my suspicions but
no proof) is a test case that triggers the issue. The simpler the test
case the better but at this point I'd settle for anything that triggered
the issue in a reasonable time frame.
Mark
On 2024/10/04 10:00:03 Ahmed Ashour wrote:
> > How rare? Once in how many requests? Can you trigger this via
automated testing e.g. with wrk?
> After working for some time (from 10 minutes to an hour), making a
request to a page (with subsequent JS/images) every one minute, the
issue is shown, happens on Chrome and Brave.
> The requests with wrk are all successful, tested for one hour, using
the default settings.
> Background:- There is a Tomcat server which is restarted daily, to
clean the auto deploy of the applications.- Three members have seen the
issue, in the last 3 days.- The main application is protected by basic
authentication- Once the issue happens, even the sample non-protected
application (html/js) is not accessible.
>
> > Does setting discardRequestsAndResponses="true" help at all?
>
> No, it doesn't.
> The settings now are:
> <UpgradeProtocol discardRequestsAndResponses="true"
className="org.apache.coyote.http2.Http2Protocol" readTimeout="20000"/>
>
> which still gives the error.
> The current workaround is to remove the UpgradeProtocol element.
>
> I wonder if low-level logs, or network sniffing can help, as it is a
secure connection.
> Thanks,Ahmed
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