8028074: InetAddress.getByName fails with UnknownHostException: invalid IPv6 address if host name starts with a-f

[Chris Hegarty]

The change looks good to me.

Thanks for spotting this and jumping on it so quickly.

-Chris.

On 08/11/2013 20:39, Alan Bateman wrote:
>
> There's a small problem with the fix for JDK- 8019834 that was pushed to
> jdk8/tl today. The patch means that UHE is thrown when doing a lookup of
> hosts that start with a-f. I ran into it because I happen to be on a
> machine that starts with "a" :-)
>
> I'd like to get a patch into jdk8/tl quickly so that others don't run
> into this. The proposed patch is attached.
>
> -Alan
>
> diff --git a/src/share/classes/java/net/InetAddress.java
> b/src/share/classes/java/net/InetAddress.java
> --- a/src/share/classes/java/net/InetAddress.java
> +++ b/src/share/classes/java/net/InetAddress.java
> @@ -1144,7 +1144,7 @@
> ifname = host.substring (pos+1);
> }
> }
> - if ((addr = IPAddressUtil.textToNumericFormatV6(host)) == null) {
> + if ((addr = IPAddressUtil.textToNumericFormatV6(host)) == null &&
> host.contains(":")) {
> throw new UnknownHostException(host + ": invalid IPv6 address");
> }
> } else if (ipv6Expected) {
>