Wicket
  1. Wicket
  2. WICKET-4443

AbstractClassResolver recreates URL incorrectly

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      Description

      AbstractClassResolver converts java.net.URLs to their external form (java.lang.String), then converts them back to java.net.URLs. It looks like the conversion to external form is for comparison between URLs (comparing URLs is slow, Strings not so - see WICKET-3867), because we only want one result per URL (Set<URL>).

      The problem is that, when converting from the external form back to a java.net.URL, the no context URL is given to the URL constructor, just the external form String is given. Passing a context URL to the java.net.URL constructor is the only way of setting the URLStreamHandler related to the URL. So, if you have some exotic URL schema, like I do, using protocols the standard Java libraries dont know about, you can no longer load your resources.

      Please see the code in CompoundClassResolver#getResources() - it implements a unique list of URL by comparing the external forms of the URLs, while still managing to use the original URL objects, with their URLStreamHandlers attached.

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          • Assignee:
            Martin Grigorov
            Reporter:
            Jesse Long
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              Development