MVC outputcache not caching in server

Question

I thought this would be a simple thing but it's driving me nuts. I simply added the following...

[OutputCache(Duration = 300)]

before an action

public ViewResult Index(string parameter) {...}

But it's not caching it, I put a breakpoint in the debugger inside the action and it hits it every time I go to that page. It does work if I set the Location parameter to Client but I want it to be server based. Do I have to enable caching somewhere else for it to work?

if it matters, the parameter comes from the router, as in routes.MapRoute(null, "{parameter}", new { controller = "mycontroller", action = "index" }) — Rodolfo
– Rodolfo, Commented Nov 4, 2013 at 21:29

Rodolfo · Accepted Answer · 2013-11-11 14:02:56Z

9

Found the problem. The Base controller set a cookie in OnActionExecuting, and I found out that a page that sets a cookie doesn't get stored in the output cache, so basically pages were not being cached regardless of the [OutputCache] directive.

answered Nov 11, 2013 at 14:02

Rodolfo

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1 Comment

cal5barton Over a year ago

What did you do to solve your issue? Did you keep the action filter and if so did you still pursue caching?

Mehdi Souregi · Accepted Answer · 2017-03-27 12:02:45Z

0

I had the same issue, I solved this problem by fixing the exact parameter at the argument VaryByParam.

[OutputCache(Duration=120, VaryByParam ="argument1")]

Do this instead of VaryByParam ="*"

answered Mar 27, 2017 at 12:02

Mehdi Souregi

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Comments

Rejwanul Reja · Accepted Answer · 2020-07-02 07:15:36Z

I got this issue in my project and find out a solution. In BaseController (It may be a generic controller though), Some others developer added an attribute [DisableCache] to disable cache and after removing that attribute from base controller, [OutputCache] worked fine.

    //[DisableCache]
    public class BaseController : Controller
    { 
    }
  
    [OutputCache(Location = OutputCacheLocation.Any,Duration = int.MaxValue, VaryByParam = "none")]
    public ActionResult GetIntegratedModules()
    {
        var applications = cacheManagerService.GetAllAspNetApplications();

        var model = new IntegratedModuleListViewModel
        {
            Applications = applications
        };

        return PartialView("_IntegratedModulesPartial", model);
    }

Hope this clue will helpful for others. Thanks!

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