Apache Tomcat Connectors 1.2.35 Released
People who upgraded their systems to the recently released tomcat connectors 1.2.33 release experienced problems with crashes of IIS and Apache. The Apache Tomcat team released Tomcat Connectors 1.2.35 today, which fixes those problems.
The changelog list 4 fixes; two involving mod_jk on apache http server and two involving the isapi_redirect on IIS. You can download source and binaries from a Tomcat mirror.