You can also resolve it locally on the Suse server in /etc/hosts file if you know the ip_address of the sub.domain2.com
ip_address subdomain2 sub.domain2.com and make sure that the name resolution for hosts in the /etc/nsswitch.conf file is hosts: files dns Igor On Tue, May 4, 2010 at 11:16 AM, Igor Cicimov <icici...@gmail.com> wrote: > Contact who ever is maintaining the DNS server in your company and ask them >> to add an alias for sub.domain2.com pointing to the same IP address as >> sub.domain1.com. >> > > Actually this is wrong. Should be contact who ever is maintaining the DNS > server in your company and ask them to add proper DNS record for > sub.domain2.com > > Igor > > > > On Tue, May 4, 2010 at 11:13 AM, Igor Cicimov <icici...@gmail.com> wrote: > >> Obviously as the error says you have DNS problem. Apache can not resolve >> sub.domain2.com into IP address. Contact who ever is maintaining the DNS >> server in your company and ask them to add an alias for >> sub.domain2.compointing to the same IP address as >> sub.domain1.com. >> >> Igor >> >> >> On Tue, May 4, 2010 at 5:56 AM, Richard van der Walt < >> richard.vdw...@stracienta.com> wrote: >> >>> Good day there. >>> >>> I'm using mod_proxy to redirect trafic to java applications running on >>> JBoss instances. I have 3 JBoss instances running seperate apps, the >>> redirects of 2 of these works fine with mod_proxy configuration but >>> the third doesn't. >>> >>> The first 2 instances where set up a long time ago. I've used the one >>> instance's configuration file for the third one as it was close to >>> what I required. Here's the 2 configurations. >>> >>> Working: >>> >>> <VirtualHost *:80> >>> ServerAdmin develop...@company.com >>> ServerName sub.domain1.com >>> ProxyRequests Off >>> ProxyPreserveHost On >>> ProxyPass / http://sub.domain1.com:18080/ >>> ProxyPass /media ! >>> ProxyPassReverse / http://sub.domain1.com:18080/ >>> ErrorLog /var/log/apache2/domain1-error_log >>> CustomLog /var/log/apache2/domain1-access_log combined >>> <Directory "/srv/www/vhosts/domain1"> >>> Options Indexes FollowSymLinks >>> AllowOverride None >>> Order allow,deny >>> Allow from all >>> </Directory> >>> </VirtualHost> >>> >>> The one not working: >>> >>> <VirtualHost *:80> >>> ServerAdmin develop...@company.com >>> ServerName sub.domain2.com >>> ProxyRequests Off >>> ProxyPreserveHost On >>> ProxyPass / http://sub.domain2.com:28080/ >>> #ProxyPass /media ! >>> ProxyPassReverse / http://sub.domain2.com:28080/ >>> ErrorLog /var/log/apache2/domain2-error_log >>> CustomLog /var/log/apache2/domain2-access_log combined >>> >>> <Directory "/srv/www/vhosts/domain2"> >>> Options Indexes FollowSymLinks >>> AllowOverride None >>> Order allow,deny >>> Allow from all >>> </Directory> >>> </VirtualHost> >>> >>> The one that's not working I can browse to >>> http://sub.domain2.com:28080 without a problem but when I try to >>> navigate to http://sub.domain2.com I get the following error >>> irrespective of whether the server it's redirecting to is started or >>> not. >>> >>> " >>> Proxy Error >>> >>> The proxy server received an invalid response from an upstream server. >>> The proxy server could not handle the request GET /. >>> >>> Reason: DNS lookup failure for: sub.domain2.com >>> >>> Additionally, a 502 Bad Gateway error was encountered while trying to >>> use an ErrorDocument to handle the request. >>> " >>> >>> I'm running on a SuSE and Apache 2.2.4 environment. >>> >>> Mod_Proxy is loading properly as is evident by the already working >>> instances. I'm either missing the mistake in the vhost directive or >>> forgot about a configuration in another file. >>> >>> Regards >>> -- >>> Richard van der Walt >>> Product Development >>> Stracienta SA (Pty) Ltd. >>> >>> E-mail: richard.vdw...@stracienta.com >>> >>> E-mail legal disclaimer: http://www.stracienta.com/disclaimer.html >>> >>> www.stracienta.com >>> >>> --------------------------------------------------------------------- >>> The official User-To-User support forum of the Apache HTTP Server >>> Project. >>> See <URL:http://httpd.apache.org/userslist.html> for more info. >>> To unsubscribe, e-mail: users-unsubscr...@httpd.apache.org >>> " from the digest: users-digest-unsubscr...@httpd.apache.org >>> For additional commands, e-mail: users-h...@httpd.apache.org >>> >>> >> >
