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From "Yang Andrew X" <Xiang.Y...@irs.gov>
Subject [users@httpd] Apache HTTP Server sometimes fails to connect to WebLogic server
Date Mon, 02 Feb 2009 20:12:39 GMT
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

 

10.25.20.6 - - [17/Jan/2009:09:16:52 -0500] "POST /app1/ServletResponse
HTTP/1.1" 200 2622

10.25.20.6 - - [17/Jan/2009:09:16:52 -0500] "POST /app1/ServletResponse
HTTP/1.1" 200 2622

 

The problem is that it is not consistent. It only happens occasionally,
in the middle of a stress test. We are using WebLogic server 10 (MP1).

 

Any input would be appreciated.

 

XY

 

 

 

 

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