On 07.12.2015 11:26, Kernel freak wrote:
Hello friends,
I am working on some server side changes in which I have the webapps or
website hosted by Apache server is called by the URL. So if url is
www.domain-one.com, then the specific webapp or website must be served.
I have partial success in these regards as I have already configured Apache
Tomcat to host multiple webapps, and call them based on URL. It is working.
Now on to the 2nd stage of problem, where I have hosted a CMS on Apache
server, and would like to call it with a URL, *but also keep Apache tomcat
running in parallel*, and this is the main problem I am dealing with.
This may seem like a Apache server issue, but it's both, as I want to run
Apache web-server and Apache tomcat simultaneously with Virtual hosting. I
just hope there might be people here who know both servers.
I tried mod_jk without any luck. Here are the changes I made to tomcat and
apache server.
Tomcat changes : server.xml :
<Connector port="80"
protocol="org.apache.coyote.http11.Http11NioProtocol"
compression="force" compressionMinSize="1024"
connectionTimeout="20000" maxPostSize="5242880"
URIEncoding="utf-8"
compressableMimeType="text/html,text/xml,text/plain,text/css,text/
javascript,application/x-javascript,application/javascript"/>
<Connector port="443"
protocol="org.apache.coyote.http11.Http11NioProtocol"
maxPostSize="5242880" SSLEnabled="true" maxThreads="200" compre$
compressionMinSize="1024" scheme="https" secure="true"
clientAuth="false" sslProtocol="TLS"
keystoreFile="keystorefile" keystorePass="PASSWORD"
URIEncoding="utf-8"
compressableMimeType="text/html,text/xml,text/plain,text/css,text/
javascript,application/x-javascript,application/javascript"/>
<Host name="localhost" appBase="webapps" unpackWARs="true"
autoDeploy="true"/>
<Host name="domain-first.com" autoDeploy="true"
unpackWARs="true" appBase="tooltank_webapps">
<Alias>www.domain-first.com</Alias>
<Context path=""/>
</Host>
<Host name="domain-second.com" autoDeploy="true"
unpackWARs="true" appBase="aupair_webapps">
<Alias>www.domain-second.com</Alias>
<Context path=""/>
</Host>
<Connector port="8010" protocol="AJP/1.3" redirectPort="443"
URIEncoding="utf-8"
compressableMimeType="text/html,text/xml,text/plain,text/css,text/
javascript,application/x-javascript,application/javascript"
/>
Installed mod_jk with following command :
apt-get install libapache2-mod-jk
Created file workers.properties in /etc/apache2/
# Define 1 real worker using ajp13
worker.list=worker
# Set properties for worker (ajp13)
worker.worker.type=ajp13
worker.worker.host=localhost
worker.worker.port=8010
Instructed jk.conf to load this file :
JkWorkersFile /etc/apache2/workers.properties
Finally edited 000-default in sites-enabled to add :
JkMount /home/user/tomcat_directory/* worker1
Then restarted Apache2, and I got this error :
[....] Restarting web server: apache2(98)Address already in use:
make_sock: could not bind to address [::]:80
(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
Action 'start' failed.
The Apache error log may have more information.
failed!
I understand that Tomcat is running on 80, but how do I then configure
the servers so they can run simultaneously.
Kindly let me know..
Hi. You may have a lot of reading to do, specially on the Apache httpd side.
It will be worth it in the end, to be able to think "globally" about the issues, and to be
able to decide where best to do what.
1) Virtual Hosts :
http://httpd.apache.org/docs/2.2/vhosts/ --> name-based virtual hosts
2) Proxying from Apache to Tomcat :
http://httpd.apache.org/docs/2.2/mod/mod_proxy.html
http://httpd.apache.org/docs/2.2/mod/mod_proxy_ajp.html (an alternative to
mod_jk)
.. and mod_jk you already know
3) URL Rewriting :
http://httpd.apache.org/docs/2.2/mod/mod_rewrite.html
(allows you to do a lot of things, in combination with mod_proxy, but at a much finer
level)
Also, a tip if you want to use mod_jk in combination with all the Apache-httpd modules
above : look at an alternative way to configure proxying from httpd to Tomcat, here :
http://tomcat.apache.org/connectors-doc/reference/apache.html
section : Using SetHandler and Environment Variables
This method replaces the JkMount/JkUnMount, and fits nicely in Apache httpd's <Location>
scheme, together with mod_rewrite, mod_proxy etc..
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