8169865 : Changes not ported to IPv4

[Chris Hegarty]

> On 10 Apr 2018, at 12:34, Srividya Shamaiah <sshamaia at in.ibm.com> wrote:
> 
> Hi Chris,
> 
> One of our customer reported a similar issue and the issue can be resolved through the bug fix 8169865 which was include at 8u152 level. We were looking this issue from AIX perspective as it did not do the reverse lookup with bug fix 8169865 (as reverse lookup is limited to solaris after the bug fix). 
> 
> While implementing the fix, we want to make sure the fix works for all scenario. As there is an inconsistency between IPv6 and IPv4 after 8169865 (as reverse lookup still exists for IPv4 on AIX and Linux), we are afraid whether customer can hit the same issue if they use IPv4. 
> 
> Please confirm whether it makes sense to remove the reverse lookup of IPv4 for AIX and linux platforms so that IPv4 and IPv6 processing is consistent for those platforms.

Yes, I believe it does.

I filed the follow JIRA issue to track this:
  https://bugs.openjdk.java.net/browse/JDK-8201369

-Chris.