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From "Rich Stern" <jasp...@gmail.com>
Subject isapi_redirect problem : works in all cases except one
Date Fri, 19 Jan 2007 21:56:04 GMT
I have Tomcat 5.5 installed on a Win2000 server with IIS 5.0, and I'm using
the isapi_redirect.dll ver 1.2.19.  I have deployed this on a development
server, and it worked like a charm (only difference is that the dev server
is Win2003 server with IIS 6.0).  I am now deploying it on the previously
mentioned Win2k server, and I have one situation that causes a problem.

Problem:

All web requests are being forwarded correctly from IIS to Tomcat (via
isapi_redirect.dll), except for those at the root of the Servlet.  For
example, http://<ip or dns name>/wiki/<anything> will load and execute my
servlet.  The URL http://<ip or dns name>/wiki/ by itself (nothing following
the last forward slash) will fail somewhere in the process of execution
without logging anything anywhere, and the browser (both IE and Firefox so
far) are asking me to download a file instead of outputting html to the
browser window.  I don't believe that IIS is giving me the problem, because
if the request was being processed by IIS, the response would simply be a
404 error.  I'm tempted to think that the problem lies in how the isapi
filter is modifying the request before handing it off to Tomcat, or that
Tomcat is modifying it in between receiving and processing it.

My uriworkermap.properties has the following entry:

/wiki/*=ajp13w

And my xml file in Tomcat (<tomcat
install>\cont\Catalina\localhost\wiki.xml) has the context element defined
with path="/wiki" and docBase="D:/<physical path to servlet root>/".

To the best of my knowledge, I have configured this to work correctly.  I
say this because I can go directly to Tomcat (by appending Tomcat's
standalone listening port of 8080 in the url) and I can also request any
other URL (other than the one I'm having trouble with) without specifying
the port number, and IIS hands it off to Tomcat and returns the expected
html content.  I also have double, triple, and quadruple checked that all my
config files and registry entries as described in the isapi_redirect
documentation are the same on both servers (with differences only in the
file paths because the file systems are laid out differently), and the only
difference between the two servers is the OS and version of IIS.

I will continue researching and trouble shooting, but ANY help, information,
or ideas are greatly appreciated.  Thanks!

- Rich

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