Tomcat automatically adds “no-cache” directives to each response. This is not a good idea when you are not using Apache as the serving host for static content. I found a very easy way to get rid of that HTTP header. Just add a new file named “context.xml” to the WEB-INF directory of your application:
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<context> <valve className="org.apache.catalina.authenticator.BasicAuthenticator" disableProxyCaching="false" /> </context>
For finer control, please have a look at Symphonious’ article on that topic.