private String repairWindowsDrive(String host, String uri) {
        if (host.length() != 1) {
            return host;
        }
        int driveIndex = uri.indexOf(host + ":");

        if (driveIndex == 5 || driveIndex == 7) { // file:<drive> or file://<drive>
            return host + ":";
        } else {
            return host;
        }
    }
c: turns to c when interpreted by URI. Repair it
vespajlib/src/main/java/com/yahoo/net/URI.java