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From bugzi...@apache.org
Subject [Bug 53814] Could not display PDF file on Tomcat 7.0.27 above.
Date Sun, 02 Sep 2012 14:50:45 GMT
https://issues.apache.org/bugzilla/show_bug.cgi?id=53814

Konstantin Kolinko <knst.kolinko@gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |NEEDINFO

--- Comment #1 from Konstantin Kolinko <knst.kolinko@gmail.com> ---
There have been several threads on users@ regarding this,

[1] "PDF Download problem tomcat >= 7.0.27" started Jul 30, 2012
http://markmail.org/thread/lkr6touhymrxn4rg
http://marc.info/?t=134364331600004&r=1&w=2

[2] "Tomcat 7.x and Internet Explorer Adobe Reader plugin" started Aug 21, 2012
http://markmail.org/thread/loubsqje3ssqg7x7
http://marc.info/?t=134555927900004&r=1&w=2

Several notes:
--------------
1. Thus far nobody has shown any real data on what is wrong in Tomcat
behaviour.

Without this, no real fix can be made.
I am changing the state of this issue to NEEDINFO.

2. According to [2] the problem appears only in IE, but not in Firefox or
Chrome.
3. According to [1] the problem does not appear in Adobe Reader 10.

According to Abode site, Acrobat 9/Reader 9 are still supported, but their EOL
is June 26, 2013. Maybe someone has to contact their support?

http://blogs.adobe.com/adobereader/2012/06/one-year-from-now-adobe-reader-and-acrobat-9-eol.html

4. A message that cites real request data (Jul 31)
http://markmail.org/message/3ylg5wdzmv4yd6fi
[[[
206KO:
GET /test.pdf HTTP/1.1
Accept: */*
Range: bytes=3446021-3447865, 475136-1792507
Accept-Encoding: gzip, deflate
User-Agent: Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; .NET CLR
2.0.50727)
Host: xxxx:8080
Connection: Keep-Alive
Pragma: no-cache

HTTP/1.1 206 Partial Content
Server: Apache-Coyote/1.1
Accept-Ranges: bytes
ETag: W/"3447866-1343391729000"
Last-Modified: Fri, 27 Jul 2012 12:22:09 GMT
Content-Type: multipart/byteranges;boundary=CATALINA_MIME_BOUNDARY
Date: Tue, 31 Jul 2012 12:32:20 GMT
Content-Length: 1319458 
]]]

5. If the problem is in how range requests are served,
I can say the following:

- The components that serves the response here is
org.apache.catalina.servlets.DefaultServlet.
Maybe someone could find a clue there.

- It is possible to disable support for range requests by setting its init
parameter "useAcceptRanges" to the value of "false". See
http://tomcat.apache.org/tomcat-7.0-doc/default-servlet.html

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