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Date: Tue, 20 Feb 2007 22:27:54 +0100
From: Rainer Jung <rainer.jung@kippdata.de>
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To: Tomcat Users List <users@tomcat.apache.org>
Subject: Re: mod_jk configuration for production
References: <9062426.post@talk.nabble.com>
In-Reply-To: <9062426.post@talk.nabble.com>
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What's your idea why you configured a socket timeout of 2?

nuka schrieb:
> Hello,
> 
> I am facing to a problem concerning apache-tomcat configuration via mod_jk
> for our production environment. We are using 	Apache: 2.0.55, Tomcat 5.0,
> mod_jk 1.2.15.
> 
> Our first problem has been raised some weeks ago when the clients received
> http 404 errors. 
> 
> mod_jk logs have shown errors such as:
> 
> [Tue Feb 13 08:36:03 2007][info]  ajp_send_request::jk_ajp_common.c (1178):
> Socket 14 is not connected any more (errno=-1)
> [Tue Feb 13 08:36:03 2007][info]  ajp_send_request::jk_ajp_common.c (1202):
> Error sending request. Will try another pooled connection
> [Tue Feb 13 08:36:03 2007][info]  ajp_send_request::jk_ajp_common.c (1225):
> All endpoints are disconnected or dead
> [Tue Feb 13 08:36:03 2007][info]  ajp_service::jk_ajp_common.c (1749):
> Sending request to tomcat failed,  recoverable operation attempt=1
> 
> After that, we changed the timeout for tomcat ajp connector (initially =
> 10000) to 60000ms.
> 
> Now we get other errors:
> 
> - a lot of "Error decoding request" in the JBoss logs at the same times
> where  mod_jk is showing
> 	
> [Mon Feb 19 13:25:50 2007][info] 
> ajp_connection_tcp_get_message::jk_ajp_common.c (955): Tomcat has forced a
> connection close  for socket 14
> [Mon Feb 19 13:25:50 2007][error] ajp_get_reply::jk_ajp_common.c (1503):
> Tomcat is down or refused connection. No response has been sent to the
> client (yet)
> [Mon Feb 19 13:25:50 2007][info]  ajp_service::jk_ajp_common.c (1721):
> Receiving from tomcat failed, recoverable operation attempt=0
> 
> Bellow is our configuration:
> 
>  <!-- A AJP 1.3 Connector on port 8009 -->
>       <Connector port="8009" address="${jboss.bind.address}"
>          enableLookups="false" redirectPort="8443" debug="0"
>          protocol="AJP/1.3" connectionTimeout="60000"/>
> 
> workers.properties:
> 
> # Define list of workers that will be used           
> # for mapping requests                               
> worker.list=loadbalancer, loadbalancer2, status
>                    
>                                        
> worker.xxxNode1.port=8109                               
> worker.xxxNode1.host=xxxx
> worker.xxxNode1.type=ajp13 
> worker.xxxNode1.socket_keepalive=True
> worker.xxxNode1.socket_timeout=2
> worker.xxxNode1.recycle_timeout=300
> worker.xxxNode1.recovery_options=0
> 
> worker.xxxNode2.port=8209                               
> worker.xxxNode2.host=xxx.xx.xx.xx
> worker.xxxNode2.type=ajp13  
> worker.xxxNode2.socket_keepalive=True
> worker.xxxNode2.socket_timeout=2
> worker.xxxNode2.recycle_timeout=300
> worker.xxx2.recovery_options=0
> 
> Do you have any idea which parameters do we need to change in this
> configuration?
> 
> thanks
> 
> rgds
> 
> Nuka
>   

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