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From Mike Jumper <>
Subject Re: guacamole 0.9.9 immediately disconnects all sessions
Date Fri, 12 Aug 2016 22:59:12 GMT
On Fri, Aug 12, 2016 at 3:18 PM, Steffen Moser <>

> Hi Benjamin,
> On 08/12/2016 08:39 PM, Cahill, Benjamin wrote:
> >...
> >
> > I failed to mention that I have already done this. The connections are
> > also failing in the same way for Windows XP RDP connections as well as
> > Linux SSH connections.
> >
> > Other ideas?
> I had quite similar problems when I upgraded from Tomcat 6 to Tomcat 8
> (both running on Solaris 11.3) after a server crash. The RDP connection
> was closed immediately after opening it and the message you mentioned
> was displayed. I didn't see any helpful logs, but I must admit that I
> unfortunately didn't have much time for further analyzing, because I had
> to restore the production system after its breakdown.
> Downgrading to Tomcat 6 fixed the problem for me.

Tomcat 8 *should* work fine (as should 7). I highly recommend against
downgrading all the way to Tomcat 6 - you'll lose support for WebSocket, as
well as any other enhancements the Tomcat community has made since.

If you find Tomcat 8 is failing, it'd be better to try a slightly-newer or
slightly-older version of the same (but still 8.0.x). You shouldn't need to
fall down two whole major releases.

The only version-specific issues I'm aware of with respect to Tomcat are
WebSocket being effectively broken in 7.0.61 and 8.0.21 (due to They fixed that in
subsequent releases, though.

- Mike

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