Von: Jess Holle [mailto:jessh@xxxxxxx]
Gesendet: Donnerstag, 21. Oktober 2010 19:20
An: users@xxxxxxxxxxxxxxxx
Cc: Beer Dr. Thomas
Betreff: Re: Pack200 & Content Negotiation
Hmm....
I used to try to do something via Apache for this, but I gave up a long time
ago and started handling this via a Java servlet filter and directing *.jar
requests to the servlet engine. This also allows me to set jar version
information in the response headers in the same servlet.
Of course, I end up using this sort of approach much of the time as (1) I have
to support other web servers than just Apache and (2) writing a servlet filter
is far easier than attempting to write an Apache module (we don't deploy
modules for Perl, PHP, etc -- and the Java servlet API is far easier for me to
deal with than Perl, PHP, etc, anyway).
--
Jess Holle
On 10/21/2010 11:43 AM, Beer Dr. Thomas wrote:
Dear all,
to speed up our applet based application we are using the "pack200"
compression for the corresponding jar-files (e.g., First.jar, see example
below). The applet is hosted on Apache 2. Unfortunately we have to support
"old" JREs such as JRE 1.4.2 as well. Therefore, as pack200 is not supportet
in Java 1.4, the uncompressed "version" of the jar-file should be
delivered if requested by a browser with Java plugin ver. 1.4.2.
I did not manage it to configure Apache according to these requirements.
Using the following configuration always (both, for JRE 1.4 and for JRE 1.6)
delivers the "unpacked" jar-file (i.e., unpacked/First.jar):
httpd.conf
------------
AddType application/x-java-archive .jar
AddHandler type-map var
Options +MultiViews
MultiviewsMatch Handlers
AddEncoding pack200-gzip .jar
RemoveEncoding .gz
a) First.jar.var
-----------------
URI: First.jar
URI: packed/First.jar.pack.gz
Content-Type: x-java-archive
Content-Encoding: pack200-gzip
URI: unpacked/First.jar
Content-Type: x-java-archive
Using configuration b) instead (see below),
delivers the packed (compressed) jar-file (i.e., packed/First.jar.pack.gz) for
both, JRE 1.4 and JRE 1.6:
b) First.jar.var
----------------
URI: First.jar
URI: packed/First.jar.pack.gz
Content-Type: x-java-archive
Content-Encoding: pack200-gzip
What I'm doing wrong?
I really appreciate your help,
Tom
