You could always try mod_proxy_ajp, which uses the mod_proxy framework, but communicates via AJP. It's better at detection of silently dropped AJP connections. > On Feb 9, 2015, at 3:18 AM, Dr James Smith <js5@xxxxxxxxxxxx> wrote: > > > We used mod_jk for ages and have recently flipped back to mod_proxy for our java/tomcat apps, we found that we had connectivity issues with mod_jk - if the connection between apache/tomcat is severed then mod_jk did not always work cleanly - and subsequent requests would just hang. mod_proxy didn't have the problem. > > The problem showed it self when we started segregating machines into virtual firewall zones - so traffic between machines was controlled. > > It does mean that we don't have as easy a load-balanced setup - although we do send the requests back through our front-end load balancers and this seems effective. > > James > > --- > This email has been checked for viruses by Avast antivirus software. > http://www.avast.com > > > > -- > The Wellcome Trust Sanger Institute is operated by Genome Research Limited, a charity registered in England with number 1021457 and a company registered in England with number 2742969, whose registered office is 215 Euston Road, London, NW1 2BE. > --------------------------------------------------------------------- > To unsubscribe, e-mail: users-unsubscribe@xxxxxxxxxxxxxxxx > For additional commands, e-mail: users-help@xxxxxxxxxxxxxxxx > --------------------------------------------------------------------- To unsubscribe, e-mail: users-unsubscribe@xxxxxxxxxxxxxxxx For additional commands, e-mail: users-help@xxxxxxxxxxxxxxxx