// Okay, we know this module. Do we know this servlet path?
// It is right to prepend the slash because (1) ModuleDefSchema requires
// every servlet path to begin with a slash and (2) RequestParts always
// rips off the leading slash.
String servletPath = "/" + parts.partialPath;
servletClassName = moduleDef.findServletForPath(servletPath);
// Fall-through below, where we check servletClassName.
} else {
// Fall-through below, where we check servletClassName.
}