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List:       tomcat-user
Subject:    Re: Long lasting websocket sessions
From:       "bigelytechnology () yahoo ! com" <daivdluke3 () gmail ! com>
Date:       2024-02-23 1:21:41
Message-ID: CAOp3GZ9VHb8+TFZp86iwx0g-owwbSx-qM+mTZ0Yfs2PHR2i56Q () mail ! gmail ! com
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On Sat, Feb 17, 2024 at 2:46 AM Chuck Caldarale <n828cl@gmail.com> wrote:

>
> > On Feb 16, 2024, at 11:31, Mark Thomas <markt@apache.org> wrote:
> >
> > On 09/02/2024 13:47, Alex O'Ree wrote:
> >> I've been experimenting with tomcat 9.x in seeing how long i can get a
> web
> >> socket session to last. I'm currently struggling to get past 30 minutes
> or
> >> so. Looking for guidance on how to best increase this or if this is a
> bad
> >> idea.
> >> Here's the current configuration and what i've tried thus far:
> >> The server continuously streams messages the client, about 1 per second
> >> The client periodically (every 30 seconds) sends a keep alive text
> message
> >> back to the server
> >> The server side endpoint sets the Session.setTimeout(0); according to
> the
> >> docs, this should prevent timeouts
> >> The server side WAR file/WEB-INF/web.xml had a session timeout defined
> at
> >> 15 minutes but i then removed it in order to increase the websocket
> >> duration.
> >> Despite all this, both the client and server log a session disconnect,
> but
> >> i'm still not sure what the reasoning is. I'm still assuming it's some
> kind
> >> of timeout mechanism.
> >
> > I think you need to do a little more investigation with your
> application. I've been running the snake WebSocket example on 9.0.x for
> over any hour wihtout any issues.
>
>
> Are there any boxes (eg, load balancer, firewall) between the client and
> server that might be forcibly dropping TCP connections after 30 minutes?
>
>   - Chuck
>
>
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