The Tomcat redirector requires three entities: isapi_redirect.dll - The IIS ISAPI redirector plugin, either obtain a pre-built DLL or build it yourself (see the build section). workers.properties - A file that describes the host(s) and port(s) used by the workers (Tomcat processes). A sample workers.properties can be found under the conf directory. uriworkermap.properties - A file that maps URL-Pa