Apache Tomcat with SSL behind Amazon ELB - Will Warren



Apache Tomcat with SSL behind Amazon ELB - Will Warren

If you're running a high-availability system of some kind, chances are you are into some sort of Load Balancing. If you happen to be writing a Java app, and happen to be using Apache Tomcat as your servlet container, then this tip is for you.

I had a system which needed to be HTTPS-only but also have the SSL terminated at the load balancer. Naturally, I forwarded the HTTP and HTTPS ports on my Elastic Load Balancer and had my application configured to redirect any insecure connections to an SSL connection. I started having a couple of strange issues where occasionally it would leave the connection on HTTP when it should have been redirecting.


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