I am creating a html5 web app. In that web app Contents are loaded dynamically from the XML feed. The feed XML has list of image URLs. I added that URLs in the cache.manifest file to support offline access. In that list of URLs if one URL is giving 404, because of that caching is not working how to solve this issue.
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Manifest cache files will fail (and therefore your appcache will be incomplete) if there are any errors at all. So, if the
close.pngURL is throwing a 404, remove it or correct it—your cache won’t work otherwise, simple as that.