Review Request: JDK-7142921,(fs) Files.probeContentType reports a MIME type of "text/plain" on Ubuntu 11.04

Alan Bateman Alan.Bateman at
Wed Nov 28 03:27:20 PST 2012

On 28/11/2012 01:26, Dan Xu wrote:
> Alan,
> Thanks for your comments on MimeTypesFileTypeDetector.
> One concern about not using META-INF/mimetypes.default in 
> resources.jar is that we may not be able to support Mac platform. As 
> Mike mentioned yesterday, the system mime types file, 
> /private/etc/apache2/mime.types, was not present in Mountain Lion 
> (10.8). Then, we have to use the fallback mime types file. And the 
> .mime.types in user's home directory is not a sure thing. I am not 
> sure whether we can rely on that. Thanks!
> -Dan
I think the Mac needs a bit more investigation to determine if 
/private/etc/apache2/mime.types is really the right source on the system 
(I suspect not). A starting point to just support 
${user.home}/.mime.types might be okay as at least that it editable by 
developers to get the right mapping. I understand the desire to use 
META-INF/mimetypes.default but I'm just concerned that it is invisible 
and not configurable by users.


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