[Jetty-support] Re: Serving Adobe PDF to an MSIE Adobe Reader Plug-in

[Greg W. <gr...@mo...>]

Ned,

thanks for the report.

No we don't currently handle this special case.  But I created a JIRA issue
for this and I hope we will soon support it.

 http://jira.codehaus.org/browse/JETTY-17

regards



Ned Nowotny wrote:
> Having had intermittent problems reported previously by users, I 
> finally looked into the problem of serving Adobe PDF files in response 
> to requests from the Adobe Reader plug-in within a Microsoft Internet 
> Explorer browser.  The solution to getting reliable behavior was to use 
> an edited webdefault.xml with the "acceptRanges" parameter for the 
> default servlet set to "false".  (The webdefault.xml resource file 
> contained in org.mortbay.jetty.jar sets the value to "true".)  This is 
> the work-around suggested back in August, 2005 on this list.
> 
> The work-around is not ideal in that it requires downloading the 
> complete PDF file to the Adobe Reader plug-in rather than just 
> requested byte ranges of the document.  It also applies to all requests 
> for byte ranges, whether originating from an Adobe Reader plug-in or  not.
> 
> I don't know what, if anything, should be changed in the implementation 
> of Jetty to enable setting "acceptRanges" back to "true".  However, the 
> Apache server is able to serve byte ranges to the Adobe Reader plug-in. 
>  To do so, they have to special case byte range responses to Adobe  Reader:
> 
>      http://httpd.apache.org/docs/1.3/misc/
> known_client_problems.html#byterange-requests
> 
> Is a similar work-around an option for Jetty?  Is there a way to set 
> the "acceptRanges" parameter specifically for a PDF MIME type?  If so, 
> will it require configuration of a servlet dedicating to serving PDF 
> files?
> 
> Ned Nowotny
> QuantMethods
> 
> 
> 
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