Hi Peter,

I've occasionally seen something similar happen in my
development server (also JBoss 3.2.1 with Jetty). Oddly, hitting
the <Enter> key while in the console frees it up again (and
releases a backlog of Log4j messages from "on-hold" requests).

No idea why it happens, and cannot replicate at will. It doesn't
appear to be using any significant number of CPU cycles during
that time, and with little activity on a server that is usually
only up for a few hours I cannot imagine that there would have
been any significant GC activity.

Cheers,
Roy.

On Thu, 19 Feb 2004 at 10:23am, Peter Luttrell wrote:

> We experienced an odd problem last night in one of our
> production servers running JBoss3.2.1 (with Jetty). The entire
> things simply stopped responding for ~3 minutes! It didn't
> complete any of it's web requests nor write anything to the
> log for the entire period - something i've never seen before.
>
> The only thing that we can think of is that the VM was doing
> GC for that period. Does anyone have any other ideas on what
> could have caused the little nap it took?

My opinions, not my employer's.

-- 
Roy Britten
National Institute of Water and Atmospheric Research
PO Box 8602, Christchurch, New Zealand
P: +64-3-343-7818
F: +64-3-348-5548
http://www.niwa.co.nz


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