https://issues.apache.org/bugzilla/show_bug.cgi?id=57520

--- Comment #5 from dk <[email protected]> ---
"Connection refused" messages in the error log are expected since after Jetty
JVM exits it won't be listening on ports while it is restarting. While Jetty is
still shutting down and waiting for existing requests to finish it responds
with 503. In httpd I have failonstatus set to handle that.

Could you recommend the specific pcap or tcpdump settings to capture the
connection info you need? I believe capturing the entire traffic payload would
be way too heavy and I am not sure if/how I can even post huge logs into this
issue tracker. I have 3 boxes in the cluster/balancer with Jetty/httpd on each
and one client box issuing round robin stress test requests - 30 threads at the
time. Could you specify exactly what you want me to do?

As far as ttl/keepalives - yes this reported behavior is seen under
"proxy-nokeepalive" too. TTL is the only setting you mentioned that I have not
tried, but I presume it is ignored under nokeepalive regime?

Perhaps you could suggest a couple mod_proxy configurations for me to test with
the traffic recorder on? I should note, it might take a few runs (generating
pretty big logs) since the error behavior is quite flaky and occurs
sporadically - depending on how the Jetty restart is exactly timed.

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