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From James Godrej <jamesgod...@yahoo.in>
Subject Re: [users@httpd] problem in using AOLServer and Apache on same machine at different ports
Date Thu, 24 Feb 2011 05:59:37 GMT




----- Original Message ----
From: James Godrej <jamesgodrej@yahoo.in>
To: users@httpd.apache.org
Sent: Wed, 23 February, 2011 2:27:44 PM
Subject: [users@httpd] problem in using AOLServer and Apache on same machine at 
different ports

I am using a Ubuntu virtual machine.Where I installed OpenACS which
depends upon AOLServer.
To do so I had first shutdown Apache on this machine.
Then following instructions given here

http://openacs.org/xowiki/ubuntu

Step 1)
aptitude install postgresql

Step 2)
aptitude install openacs

I had to shutdown Apache to do above installation.
Now the installation finishes.So I can access http://localhost:8000

but when ever I try to start Apache on this machine which was shutdown
during installation I see the error

service apache2 start
* Starting web server apache2 (98)Address already in use: make_sock: couldnot 
bind to address 0.0.0.0:80
no listening sockets available, shutting down Unable to open logs


So I thought may be OpenACS installs AOLServer so Aolserver might be
listening on port 80 I check
/etc/aolserver4/conf.d/
openacs.sh
and here

AOL_USER=www-data
AOL_GROUP=www-data
AOL_ADDRESS=192.168.1.15
AOL_PORT=8000
RUN_DAEMON=yes


So AOLServer is not listening on port 80 upto here it is confirmed.

netstat -tualp  | grep 80
tcp  0      0 somemachine.somedimain.:8000 *:*   LISTEN   21321/aolserver4-ns

so netstat shows only 8000 in  use.
Then why am I unable to start Apache in this case?


service apache2 start
* Starting web server apache2    (98)Address already in use: make_sock: 
couldnot bind to address 0.0.0.0:80
no listening sockets available, shutting down Unable to open logs



---------------------------------------------------------------------
I was able to solve this problem this is not related to Apache directly but 
since I am using apache on same machine and was not able to handle port at which 
apache was listening so mentioning a solution so that it helps some one else.
    
 in /etc/default/aolserver4 file
    
putting RUN_DAEMON=no did the trick.  
otherwise inspite of Apache only listening the thing at port 80
    
 Now inspite of port 80 being free  when ever I tried to start Apache on this 
machine which 	was shutdown during installation I see the error

service apache2 start
* Starting web server apache2 (98)Address already in use: make_sock: could
not bind to address 0.0.0.0:80 no listening sockets available, shutting down
Unable to open logs
but this solved my problem.Mentioning here so that it helps some one else.



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