Routing Apache to JBoss production Server -


we have jboss production on our java application running. have configured apache server(dmz) route traffic jboss production server , increase security. have used apache's mod_jk module routing production , apache version 2.2. working fine few months time having error:

bad gateway proxy server received invalid response upstream server.

my worker.property on apache is:

 worker.list=ws      worker.ws.port=8009  worker.ws.host=192.168.56.102  worker.ws.type=ajp13

my httpd.conf file has following virtual host worker:

   <virtualhost *:443>    errorlog "logs/dmz-error.log"    customlog "logs/dmz-access.log" common     jkmount /ws/ ws    jkmount /* ws     jklogfile logs/mod_jk_prod.log    jkloglevel error    jklogstampformat "[%a %b %d %h:%m:%s %y]"    jkoptions +forwardkeysize +forwarduricompatunparsed -forwarddirectories    jkrequestlogformat "%w %v %t"     rewriteengine on    rewritecond %{request_method} ^(trace|track)    rewriterule .* - [f]   </virtualhost>`

jboss running on default configuration. system running old apache version same configurations , routing. needed replace apache machine , requested upgrade apache 2.2 version. facing problem 2 months.
mod_jk log shows following error:

[tue sep 23 11:52:01 2014][1392:1900] [error] ajp_get_reply::jk_ajp_common.c (2126): (ws) tomcat down or refused connection. no response has been sent client (yet) [tue sep 23 11:52:01 2014][1392:4028] [error] ajp_get_reply::jk_ajp_common.c (2126): (ws) tomcat down or refused connection. no response has been sent client (yet)

we cannot find solution problem. when error shown, refreshing page few times resolves times, cannot access our application. body please help.


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