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Simplest ever proxy configuration?

Scenario ... Apache Http Server fronting an Apache Tomcat server. Http Server has mod_rewrite and mod_proxy installed.

When we first did httpd and Tomcat courses, getting the two to talk to each other involved builds of extra modules and all sorts of configuration. I did my "simplest ever" this morning - it came down to these two directives in a .htaccess file:

RewriteEngine On
RewriteRule (.*) http://192.168.200.102:2080/latmjdemo/$1 [P,L]


Works a treat to forward a whole webapp. Our Deploying Apache httpd and Tomcat course has moved forward considerably over the years- we not have plenty more time for load balancing, cluseting, monitoring, sticky sessions and the like ... runs five of six times a year as a public course, with more delegates being taught on our other private courses than on the public ones.




So as not to overlook the more complex stuff ;-)

<Proxy balancer://crawl>
BalancerMember ajp://192.168.200.102:2009/latmjdemo route=jvm102
BalancerMember ajp://192.168.200.103:2009/latmjdemo route=jvm103
BalancerMember ajp://192.168.200.104:2009/latmjdemo route=jvm104
</Proxy>
ProxyPass /latmjdemo balancer://crawl stickysession=JSESSIONID|jsessionid
ProxyPassReverse /latmjdemo balancer://crawl
ProxyPassReverseCookieDomain .* 192.168.200.102
ProxyPassReverseCookiePath /latmjdemo /latmjdemo


That's a load balanced, sticky session working example
(written 2011-06-28)

 
Associated topics are indexed as below, or enter http://melksh.am/nnnn for individual articles
A607 - Web Application Deployment - Apache httpd mod_rewrite
  [3862] Forwarding a whole domain, except for a few directories - Apache http server - (2012-09-17)
  [3753] Adding a passcode to a directory - (2012-06-05)
  [3568] Telling which ServerAlias your visitor used - useful during merging domains - (2012-01-04)
  [3197] Finding and diverting image requests from rogue domains - (2011-03-08)
  [2981] How to set up short and meaningfull alternative URLs - (2010-10-02)
  [2900] Redirecting a page - silent, temporary or permanent? - (2010-08-03)
  [2773] Dynamically watching your web site via a PHP wrapper - (2010-05-21)
  [2768] Carrying a long URL around - looking for memorable shorts - (2010-05-17)
  [2728] Redirecting a home page using mod_rewrite - (2010-04-17)
  [2555] Bookkeeping - (2009-12-29)
  [2094] If you have a spelling mistake in your URL / page name - (2009-03-21)
  [1954] mod_rewrite for newcomers - (2008-12-20)
  [1778] Pointing all the web pages in a directory at a database - (2008-08-30)
  [1771] More HowTo diagrams - MySQL, Tomcat and Java - (2008-08-24)
  [1731] Apache httpd, MySQL, PHP - installation procedure - (2008-08-01)
  [1636] What to do if the Home Page is missing - (2008-05-08)
  [1381] Using a MySQL database to control mod_rewrite via PHP - (2007-10-06)
  [1376] Choosing between mod_proxy and mod_rewrite - (2007-10-02)
  [1207] Simple but effective use of mod_rewrite (Apache httpd) - (2007-05-27)
  [1009] Passing GET parameters through Apache mod_rewrite - (2006-12-27)
  [1006] Apache httpd and Apache Tomcat together tips - (2006-12-24)
  [934] Clustering, load balancing, mod_rewrite and mod_proxy - (2006-11-21)
  [755] Using different URLs to navigate around a single script - (2006-06-11)
  [631] Apache httpd to Tomcat - jk v proxy - (2006-03-03)

A608 - Web Application Deployment - Apache httpd mod_proxy
  [3892] Distributed, Balanced and Clustered Load Sharing - the difference - (2012-10-13)
  [3680] How can I run multiple web servers behind a single IP address? - (2012-04-02)
  [3293] Distributing the server load - yet ensuring that each user return to the same system (Apache httpd and Tomcat) - (2011-05-18)
  [2482] Load balancing with sticky sessions (httpd / Tomcat) - (2009-10-29)
  [2325] Apache, Tomcat, mod_proxy - (2009-08-06)
  [2273] Three recent questions on Tomcat Convertors - (2009-07-07)
  [2062] Virtual hosting and mod_proxy forwarding of different domains (httpd) - (2009-03-01)
  [1944] Forwarding session and cookie requests from httpd to Tomcat - (2008-12-14)
  [1939] mod_proxy_ajp and mod_proxy_balancer examples - (2008-12-13)
  [1767] mod_proxy and mod_proxy_ajp - httpd - (2008-08-22)
  [1566] Strange behaviour of web directory requests without a trailing slash - (2008-03-06)
  [1121] Sharing the load with Apache httpd and perhaps Tomcat - (2007-03-29)

A690 - Web Application Deployment - Clustering and load balancing
  [2483] Clustering on Tomcat - (2009-10-30)
  [2059] Sharing the load between servers - httpd and Tomcat - (2009-02-28)
  [1995] Automated server heartbeat and health check - (2009-01-16)
  [1993] Load Balancing - Hardware or Software? - (2009-01-15)


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Simplest ever proxy configuration?
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This is a page archived from The Horse's Mouth at http://www.wellho.net/horse/ - the diary and writings of Graham Ellis. Every attempt was made to provide current information at the time the page was written, but things do move forward in our business - new software releases, price changes, new techniques. Please check back via our main site for current courses, prices, versions, etc - any mention of a price in "The Horse's Mouth" cannot be taken as an offer to supply at that price.

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