Get net::ERR_CACHE_OPERATION_NOT_SUPPORTED error when fetch epub with external epub link - Githubissues

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Get net::ERR_CACHE_OPERATION_NOT_SUPPORTED error when fetch epub with external epub link #722

Open nguyenhuutuananh opened 5 years ago

nguyenhuutuananh commented 5 years ago

This issue is a Bug

Expected Behaviour

I hope Readium will help me to fix this bug

Steps to reproduce

Use Chrome and readium-js-viewer fetch epub external link
Sometimes, I will got ERR_CACHE_OPERATION_NOT_SUPPORTED only one request.
Disable cache will prevent this bug!?

Test file(s)

screen shot 2019-02-13 at 11 43 17 am

Product

Readium cloud reader app
- latest development build uploaded at https://readium.firebaseapp.com OR a custom integration (list public deployment URL, if any)
- Chrome 72.0.3626.96
- macOS High Sierra 10.13.6

Additional information

This bug only appears on chrome.
This bug on macOS mojave and chrome latest version doesn't appear.

danielweck commented 5 years ago

I suspect this problem has something to do with the cache strategy implemented in readium-js to handle binary Blob URIs when loading zipped EPUB containers (as opposed to exploded/unzipped publications, which is the recommended mode of operation for the cloud/web reader). See:

https://github.com/readium/readium-js/blob/master/js/epub-fetch/resource_cache.js

https://github.com/readium/readium-js/blob/999d7c32bcdd1184bcc248312267c6e744d737b9/js/epub-fetch/publication_fetcher.js#L36

https://github.com/readium/readium-js/blob/999d7c32bcdd1184bcc248312267c6e744d737b9/js/epub-fetch/content_document_fetcher.js#L28