Monday, October 29, 2012

Re: Pre-Compress GWT compiler output for web server

The general solution is to setup your Tomcat behind an Apache server. mod_headers works well on just Apache, so you can use a filter there with mod_headers to add the gzip headers. This way the browser knows that this js file is gz encoded.

A tip, I noticed if I just name files like script.js.gz, some firewalls tried to convert them to gzip MIME from JS (because they saw the .gz), breaking the app. So, I just made up my own ending and called it .jsz. Now I can easily just *.jsz to applied mod_headers too.

You can also create your own filter and do this all in Tomcat (like this example), but remember this adds overhead and complexity, so why not just let Apache do it for you?


Sincerely,
Joseph

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