Enable Http Cache in Spring Boot

Question

From my client I'm querying some enums from the server. Now, I would like to cache these enums in the client as soon as they have been queried once on the server.

I tried to set Cache-Control as follows:

@CrossOrigin
@RequestMapping(value = "enums/{name}", method = RequestMethod.GET)
public List<String> getEnums( @PathVariable("name") String name, final HttpServletResponse response) {
    response.setHeader("Cache-Control", "max-age=3600");
    return myservice.findAllEnums(name);
}

The response header seems to be correctly set with Cache-control: max-age=3600. I also disabled all http headers in my security config as follows:

@Override 
protected void configure(final HttpSecurity http) throws Exception {     
http.headers().cacheControl().disable(); 
}

Unfortunately, the response is not cached in the browser. As soon as I'm querying the resource, the query is going to the server again.

Meanwhile, I removed Spring Security completly, but it still does not work. What I did not understand correctly? What else do I need to configure?

René Winkler · Accepted Answer · 2016-04-19 19:35:21Z

1

Ok, I noticed that it was working with IE, but not with Chrome. The problem with Chrome is that it sets Cache-control: max-age=0 on the request's header if you're refrehsing the page. This obviously prevents the data from being cached. I then created a simple html using a hyperlink to my application and refresehing it via this link. Thus, the cache worked as expected.

answered Apr 19, 2016 at 19:35

René Winkler

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Community · Accepted Answer · 2017-05-23 10:30:06Z

0

you need to check if there is any restiction made as no-cache HTTP headers are set by Spring Security. you can get more relevant information here : How to enable HTTP response caching in Spring Boot

edited May 23, 2017 at 10:30

CommunityBot

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answered Apr 18, 2016 at 19:42

Elad Hirsch

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1 Comment

René Winkler Over a year ago

Meanwhile, I compeltly switched off Spring Security ,but it still does not work.

Elad Hirsch · Accepted Answer · 2016-04-19 20:01:57Z

0

about the chrome behavior : Chrome back button doesn't respect the cache-control:no-cache header

answered Apr 19, 2016 at 20:01

Elad Hirsch

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