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From Rainer Jung <rainer.j...@kippdata.de>
Subject Re: [OT] mod_jk configuration for production
Date Tue, 20 Feb 2007 22:02:01 GMT
Then start reading on

http://tomcat.apache.org/connectors-doc/reference/workers.html

what your configuration means. You will notice, that a value of 2 for
the socket_timeout does not really make any sense.

Regards,

Rainer

nuka schrieb:
> This configuration was done some time ago by someone else. I  don't believe
> there is a specific reason for this parameter configuration. 
> I believe that this should be a default dev configuration.
> 
> 
> 
> Rainer Jung-3 wrote:
>> 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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>>
>>
> 

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