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Editorial Team
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Asked: 2026-06-01T18:36:13+00:00

Let’s say I have a hypothetical controller called ThingsController that exposes two actions: index

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Let’s say I have a hypothetical controller called ThingsController that exposes two actions: index and update which have the following routes:

GET /things ThingsController#index

PUT /things/1 ThingsController#update

Both actions respond to a JSON format, so you have GET /things.json and PUT things/1.json

I am caching the index action and the update action is expiring the index action as follows:

expire_action :action => :index

However when update occurs it does expire the default format for /things but it does not expire /things.json.

What do I need to do to make expire_action expire all formats? I can’t seem to find this anywhere in the documentation.

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1 Answer

  1. Editorial Team

    I don’t know of a better way than to explicitly expire each format unfortunately.

    expire_action :action => :index
expire_action :action => :index, :format => 'json'
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