[jira] Resolved: (FELIX-756) Allow URLStreamHandler services to override built-in handlers.

["Karl Pauls (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/FELIX-756?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Karl Pauls resolved FELIX-756.
------------------------------

    Resolution: Fixed

If you start felix with:

-Dfelix.service.urlhandlers.override=true 

(a system property) then overriding should work with the current trunk. Please test this issue and close it if it is working for you. This will make it into 1.4.0 so we need feedback fast if it is not working for you. 

> Allow URLStreamHandler services to override built-in handlers. 
> ---------------------------------------------------------------
>
>                 Key: FELIX-756
>                 URL: https://issues.apache.org/jira/browse/FELIX-756
>             Project: Felix
>          Issue Type: Improvement
>          Components: Framework
>    Affects Versions: felix-1.2.2
>            Reporter: Karl Pauls
>            Assignee: Karl Pauls
>             Fix For: felix-1.4.0
>
>
> In certain cases it might be desirable to override built-in URLStreamHandlers with services provided by bundles. As of now, the spec doesn't allow this (see 11.3.2 ff) but it might in the future. Furthermore, it looks like other implementations are less strict on this issue as we are. For now, the best one can do is to put handlers in the classpath of the framework and make them available via the java.protocol.handler.pkgs properties. This way, one can override the built-in handlers but needs control over the jvm (which is not the best solution). 
> It should be possible to add an option to felix that will register handlers that proxy the built-in ones but prefer registered URLStreamHandler services if there is one available for a given schema. 

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