Hi all

We've been using Tomcat and Tomcat Connectors in our company products for 
almost 10 years now, and it's a very important part of our technology stack.
Over those years we've contributed some enhancements and fixes to the IIS 
connector/ISAPI Redirector, and most of these have been accepted back into 
the trunk.
There's one in particular that we feel is very useful that hasn't been 
accepted though, which is the addition of chunked encoding support to the 
ISAPI Redirector, which allows IIS to use HTTP keep alives between the 
browser and IIS - we've found this has major scalability benefits on high 
transaction volume sites.
 <http://issues.apache.org/bugzilla/show_bug.cgi?id=35297> 
http://issues.apache.org/bugzilla/show_bug.cgi?id=35297 tracks the proposed 
patch for this, but it's been waiting for 2+ years for a 1.3 development 
branch to open to make it available to the wider community.
We feel this is an important enough feature for us to maintain internally 
and use in many production sites over the years, and we think other people 
will find it useful, so we've now taken the step of making it available to 
the community at large in source + binary form on SourceForge. Our patches 
are all APLv2, as per the Tomcat source, and are available in the 
SourceForge SVN repo.

https://sourceforge.net/projects/timsjk/ is the SF site.

We've also taken the opportunity to make available the compiled binaries we 
produce in-house for many platforms (we support a large number), and I hope 
this is of use to the community at large. You'll find binaries for Apache 
2.0, 2.0-prefork, 2.2, 2.2-prefork and IIS 5/6 on AIX PPC64, HP-UX PA-RISC2, 
HP-UX IA64, Linux-x86, Linux-x64,
Windows x86 and Window x64 (with some obvious exceptions) available from the 
SourceForge project download page. We've provided builds of our enhanced 
ISAPI redirector as well as an unpatched ISAPI redirector.

This isn't a fork of Tomcat Connectors - the work the Tomcat devs are doing 
on Tomcat Connectors in recent times, in particular Rainer and Mladen, is 
great, and we continue to value, use and support it - apart from the IIS 
connector we use unpatched mod_jk connectors everywhere. If/when the 1.3 
development branch opens and the chunked encoding support is added to the 
main trunk we'll wind up our patches and see if there's a better way to 
distribute the binaries.

If you're going to try out or use the enhanced ISAPI redirector, please be 
responsible when reporting bugs and test against the unpatched version 
before logging them against Tomcat. If they turn out to be due to our 
patches, then report them on the SF project.

cheers
tim

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