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From André Warnier ...@ice-sa.com>
Subject Re: video/x-flv mime-mapping does not for Tomcat 5.5
Date Wed, 08 Oct 2008 00:55:21 GMT
Johnny Kewl wrote:
> 
> ----- Original Message ----- From: "Dave" <javaone9@yahoo.com>
> To: "Tomcat Users List" <users@tomcat.apache.org>
> Sent: Tuesday, October 07, 2008 11:03 PM
> Subject: video/x-flv mime-mapping does not for Tomcat 5.5
> 
> 
> we are using JBoss4.0.5. For flash video, we added
> 
> <mime-mapping>
> <extension>flv</extension>
> <mime-type>video/x-flv</mime-type>
> </mime-mapping>
> 
> in tomcat conf/web.xml.
> 
> Restarted jboss. When uploading a foo.flv, uploadeFile.getContentType 
> returns "application/octet-stream", not "video/x-flv". Could you please 
> help me?
> 
I think Johnny's talking nonsense.  But he's gone watch the debate, so I 
can probably get away with this.

Seriously, my guess :
I think you are confusing what happens on the way in (browser -> Tomcat) 
with what happens on the way out (Tomcat -> browser).
The <mime-mappings> above probably only tell Tomcat what it should put 
in the HTTP response headers as "Content-type" when *returning* such a 
file to the browser.

On the way in, on the other hand, it is the browser that "guesses" the 
file type, and sends this to the server as part of the POST data.  The 
server then just picks up what the browser says.
If the browser doesn't know what the file is, it will probably in this 
case determine that the file is "binary" (not text), and since it does 
not know a precise type, it will send it with a type 
"application/octet-stream", which is the standard safe Mime type for any 
binary file you do not really know the type of.

Try the following : somewhere in your browser or your operating system, 
there must be a way to specify that "..for this file type .. do this".
Do that for this file type, and then try to resubmit the same file to 
your Tomcat application and see what it says.

If it then works, unfortunately that is only a solution for your own 
browser and your own workstation.
In order to determine the file type correctly no matter which browser it 
comes from, you probably have to do it in your application.

There exist standard modules/add-ons/libraries/subroutines in most 
programming languages, that can make guesses at the mime type of a file. 
  Unfortunately in Java I personally don't know what it would be.


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