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From "Yang Andrew X" <Xiang.Y...@irs.gov>
Subject RE: [users@httpd] Apache HTTP Server sometimes fails to connect to WebLogic server
Date Mon, 02 Feb 2009 20:23:58 GMT
Thanks! I'll try to increase WL listen backlog and see if it helps. 

-----Original Message-----
From: Eric Covener [mailto:covener@gmail.com] 
Sent: Monday, February 02, 2009 3:16 PM
To: users@httpd.apache.org
Subject: Re: [users@httpd] Apache HTTP Server sometimes fails to connect
to WebLogic server

On Mon, Feb 2, 2009 at 3:12 PM, Yang Andrew X <Xiang.Yang@irs.gov>
wrote:
> We are using Apache HTTP Server 2.8 as proxy server to load balance 
> multiple WebLogic application server instances. It uses cookie and
round-robin rule.
> It works well for most of time.
>
> However, occasionally, the Apache HTTP server loses connections with 
> backend WebLogic server instances. It seems sometimes Apache is not 
> retrieving cookies. The error log and access log look like following:
>
>
> bash-3.00# tail -f error_log
>
> [Sat Jan 17 09:11:12 2009] [error] CONNECTION_REFUSED [os error=146, 
> line 1740 of ../nsapi/URL.cpp]: Error connecting to host 
> 10.25.11.3:9001 errno =
> 146
>
> [Sat Jan 17 09:11:12 2009] [error] CONNECTION_REFUSED [os error=146, 
> line 1740 of ../nsapi/URL.cpp]: Error connecting to host 
> 10.25.11.3:9002 errno =
> 146

It says connection refused.   Maybe you need more threads, or a larger
listen backlog, over on the weblogic system.  Either way, it's probably
a FAQ for the vendor.

--
Eric Covener
covener@gmail.com

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