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Neither "Clear Cache" extension nor "Clear Cache" under Tools Menu works since update to Version 32.0

  • 3 cavab
  • 38 have this problem
  • 8 views
  • Last reply by cor-el

ElJayinVT
ElJayinVT
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Since Firefox automatically updated to Version 32.0, any attempt to manually clear the cache returned message "Error," the single word without any explanation.

Not only do the "Clear Cache" extensions no longer work - though they were NOT disabled as being incompatible, but the "Clear Cache" in the Tools menu does not work, either.

Since Firefox automatically updated to Version 32.0, any attempt to manually clear the cache returned message "Error," the single word without any explanation. Not only do the "Clear Cache" extensions no longer work - though they were NOT disabled as being incompatible, but the "Clear Cache" in the Tools menu does not work, either.

All Replies (3)

philipp
philipp
  • Moderator
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hello, the backend for the browser cache changed in firefox 32 in order to improve performance - addons may need to adapt to that. please use the built-in method to clear the cache until then: How to clear the Firefox cache

FredMcD
FredMcD
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I am usingEmpty Cache Button {web link} Cache clearing made easy. One click.

I think it's still working.

cor-el
cor-el
  • Moderator
  • Top 10 Contributor
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The Firefox 32 release has switched to a new cache called cache2 and that can break extensions that use the old API and aren't aware of this new cache.

If you want then you can disable the new cache and switch back to the old cache, but that isn't recommended.

  • browser.cache.use_new_backend_temp = false

This code will clear the new cache, so you can consider to check the code in the extension to see if you can repair it. This code will also work with extensions that allow to attach such a code to a button or a keyboard shortcut or mouse gesture. 

var cache = Cc["@mozilla.org/netwerk/cache-storage-service;1"]
            .getService(Ci.nsICacheStorageService);
try { cache.clear() } catch(ex) {}

Note that you wouldn't be able to clear the disk cache when you are in Private Browsing mode.