Failure of server APACHE bridge

[big]

Hi,
On R12.2.4 DB 11.2.0.4 on AIX

We encounter:
Failure of server APACHE bridge
"Failure of server APACHE bridge". No backend server available for connection: timed out after 10 seconds or idempotent set to OFF.

Appearently it is a problem between Weblogic and Apache.

What are the logfiles to investigate.
Thanks.

[ErmanArslansOracleBlog]

Most probably oacore..
Check the oacore managed server.. ensure its health is ok.

[big]

Thank you.

Oa core is running:



And diagnostic logs are very old:

ls -lrt *.log
-rw-r--r--    1 orauser dba        10470038 Dec 16 12:03 oacore_server1-diagnostic-74.log
-rw-r--r--    1 orauser dba        10479489 Dec 16 16:06 oacore_server1-diagnostic-75.log
-rw-r--r--    1 orauser dba        10462534 Dec 17 11:25 oacore_server1-diagnostic-76.log
-rw-r--r--    1 orauser dba        10469549 Dec 17 14:22 oacore_server1-diagnostic-77.log
-rw-r--r--    1 orauser dba        10474503 Dec 17 15:45 oacore_server1-diagnostic-78.log
-rw-r--r--    1 orauser dba        10457718 Dec 17 20:52 oacore_server1-diagnostic-79.log
-rw-r--r--    1 orauser dba        10453948 Dec 18 12:01 oacore_server1-diagnostic-80.log
-rw-r--r--    1 orauser dba        10478776 Dec 21 08:08 oacore_server1-diagnostic-81.log
-rw-r--r--    1 orauser dba        10458767 Dec 21 17:44 oacore_server1-diagnostic-82.log
-rw-r--r--    1 orauser dba         2951174 Dec 22 10:51 oacore_server1-diagnostic.log
-rw-r--r--    1 orauser dba         4161153 Mar 26 16:50 access.log
-rw-r--r--    1 orauser dba         1916084 Mar 26 16:50 oacore_server1.log

Regards.

[ErmanArslansOracleBlog]

Please be sure that you are checking the correct log directory.
This is caused by the oacore.. The oacore is not running properly(not running, getting errors while running, misconfigured and so on), or we can't reach it.. Maybe there is a firewall blocking us or maybe there is a newtork issue.. Selinux can also cause that.. But there is something problematic about oacore or the path that we use for reaching the oacore..

So please check with these in mind..

Here is a mos note that might help ->

E-Business Suite R12 :- Intermittent Errors "Failure Of Server APACHE Bridge " During Login (Doc ID 2477246.1)

[big]

Hi,
Thank you Erman.
We followed , as you proposed, Doc ID 2477246.1 and did:

in mod_wl_ohs.conf  added

<IfModule mod_weblogic.c>
        DynamicServerList OFF
        WLIOTimeoutSecs 900


<IfModule/>

And restarted apache.

It's ok now.

Thanks and regards.

[ErmanArslansOracleBlog]

Good for you big.

On Fri, 21 May 2021 at 17:41, big [via Erman Arslan's Oracle Forum] <[hidden email]> wrote:

Hi,
Thank you Erman.
We followed , as you proposed, Doc ID 2477246.1 and did:

in mod_wl_ohs.conf  added

<IfModule mod_weblogic.c>
        DynamicServerList OFF
        WLIOTimeoutSecs 900


<IfModule/>

And restarted apache.

It's ok now.

Thanks and regards.

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