Hi Jason Your config now looks very much like what gets deployed by dhis2-tools: http://bazaar.launchpad.net/~dhis2-devs-core/dhis2/trunk/view/head:/tools/dhis2-tools-deb/pkg/usr/share/dhis2-tools/samples/nginx/dhis2 .
With the exception that you have done that neat trick with proxy_params which I will copy. You might want to also look at some of the rewrites I have done in that file. The following is the link to the web.xml file you might consider dropping in to replace the default tomcat one to achieve the static content serving. The stuff at the top using tomcat expires filter does the magic. http://bazaar.launchpad.net/~dhis2-devs-core/dhis2/trunk/view/head:/tools/dhis2-tools-deb/pkg/usr/share/dhis2-tools/skel/conf/web.xml Cheers Bob On 24 March 2014 16:08, Jason Phillips <ja...@hisp.org> wrote: > Hi Bob, > > Thanks for your reply. I found I had to disable the static content > serving to make nginx work, at least in the config I ended up with... > Clearly, there are a lot of improvements I can make to our location > settings, and nginx is certainly both very powerful and flexible. Spent > quite a bit of time reading through the Pitfalls, documentation, etc. The > "thing" already listening on port 80 was nginx itself, since the original > .conf changes I had tried to duplicate from dhis2.org were still there - > once I removed them, my problem went away - but I will remember the netstat > trick for next time... > > > > Kind regards, > > Jason. > > > > *From:* Bob Jolliffe [mailto:bobjolli...@gmail.com] > *Sent:* 24 March 2014 11:54 AM > *To:* Jason Phillips > *Cc:* dhis2-users > *Subject:* Re: [Dhis2-users] nginx Reverse Proxy Config for Dedicated Web > Server with multiple instances > > > > Hi Jason > > > > You can't fix your problem with nginx config without first addressing your > bind error. The error is simple enough - it just means something else is > already listening on port 80. > > > > So try this: > > sudo netstat -ntlp |grep ':80' > > > > which will show you in the last column what exactly is listening on 80. > Most probably apache or another nginx. > > > > I am also not in favour of the approach described in our manual for > serving static content, but that is something you can look at after. It > has two serious downsides that (i) the nginx is bound to the same > filesystem as the tomcat application server and (ii) you can only pull that > "trick" with one tomcat backend. Both of which are unreasonable. What I > prefer and the way it is done in the dhis2-tools is to customize the tomcat > web.xml and enable caching on nginx so that all the static content get's > cached - that way nginx effectively will serve them as static files anyway. > > > > Regards > > Bob > > > > On 23 March 2014 08:10, Jason Phillips <ja...@hisp.org> wrote: > > Hello all, > > > > I am trying to set up nginx as a reverse proxy on a dedicated web server > with three instances of Tomcat/DHIS2 (connecting to a dedicated Db Server, > successfully configured and checked). > > I have been unable to make nginx behave as required, after numerous > different configurations, and hours of trawling the 'Net. > > > > Attempting to following the instructions on dhis2.org resulted in bind > errors ([emerg] bind() to 0.0.0.0:80 failed (98: address already in use)), > and after several variations I tried setting up a simple reverse proxy > following the instructions on howtoforge.com at this > link<http://www.howtoforge.com/how-to-set-up-nginx-as-a-reverse-proxy-for-apache2-on-ubuntu-12.04>. > I now have arrived at the same place, albeit by a slightly different path, > and am getting those bind errors again. I have even shut down all three > Tomcats and removed and purged Apache (in case it was somehow interfering, > which it apparently is not). > > > > The domain dhmis.org has a DNS entry for dhis, za.dhis and train.dhis > pointing to the server's IP. > > My current configuration includes a file in /etc/nginx/site-available > called "dhmis.org.vhost", which is linked to the ./sites-enabled folder. > Herewith its contents: > > > > server { > > listen 80; > > server_name www.dhmis.org dhmis.org; # Have put in > za.dhis.dhmis.org and variations here... > > root /home/hisp/tomcat-dhis2-1/webapps/zanat/; # Have tried ROOT > here too! > > > > # Serve static content > > location ~ > (\.js$|\.css$|\.gif$|\.woff$|\.ttf$|\.eot$|\.ico$|^/images/|^/icons/|^/dhis-web-commons/.*\.png$) > { > > add_header Cache-Control public; > > expires 7d; > > } > > > > # Proxy pass to servlet container > > > > location / { > > proxy_pass http://localhost:8080/; # Have added > 8080/zanat as variations here... > > include /etc/nginx/proxy_params; > > } > > } > > > > What am I doing wrong? > > > > Kind regards, > > *Jason Phillips* > > > > Software & Information Systems > > *Health Information Systems Programme* > > ----------------------------------------------------- > Email: ja...@hisp.org > > Mobile : 072 9737250 > Landline: 021 7120170 > Fax: 021 7120170 > Skype: jason.n.phillips > > > > This message may contain privileged and confidential information intended > only for the person or entity to which it is addressed. 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